EasyDspic4 Manual

8/9/2019 EasyDspic4 Manual

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S O F T W A R E A N D H A R D W A R E S O L U T I O N S F O R T H E E M B E D D E D W O R L D

MikroElektronikaDevelopment tools - Books - Compilers

Software and Hardware

solutions for Embedded World

EASYdsPIC4

User’s Manual

With useful implemented peripherals, plentiful practical

code examples and a broad set of additional add-on

boards (Serial Ethernet, Compact Flash, MMC/SD,

ADC, DAC, CAN, RTC, RS-485, etc.), MikroElektronika

development boards make fast and reliable tools thatcan satisfy the needs of experienced engineers and

beginners alike.

3 in 1ICD m

i k r o

IN-CIRCUITDEBUGGER

ICD m i k r o

IN-CIRCUITDEBUGGER

MICROCHIP

DEVELOPMENT

BOARD

MICROCHIP

DEVELOPMENT

BOARD

dsPICdsPIC

USB 2.0

IN-CIRCUITPROGRAMMER

USB 2.0




USB with 2.0 PROGRAMMER

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EASYdsPIC4

KEY FEATURES

1. External power supply from 8 to 16 V

AC/DC;

2. Choose between external and USB power

supply. When powering from your PC’s USBport, you don’t need an external supply;

3. Very fast and flexible USB programmer

on board with mikroICD (In-Circuit

Debugger). The key feature is expanability.

By downloading new software, you will be

able to program new MCUs in coming years;

4. You can connect LCD if you need it for your

application in 4-bit mode;5. RS232 communication port;

6. 4.096V voltage reference is used for working

with A/D Converter;

7. ICD2 connector;

8. PC keyboard connector;

9. For the purpose of presentation all PORTB

pins are connected to potentiometers P1 and

P2 and can be used to measure voltages

set by these potentiometers;

10. If jumper is set to the upper position the pins of appropriate port

are set to logical one (pull-up). If jumper is set to the lower pos-

tion, the pins are set to logical zero (pull-down). It is very impor-

tant to select pull-up for port if you expect logical zero on its

inputs and vice versa;

11. The first four switches on SW1 are used to enable or disable

LEDs connected to MCU pins. Switches 5 and 6 are used to

select SDO line and switches 7 and 8 to select SDI line.;

12. Switches 1, 2 and 3 on SW2 are used to select the SCK line.

Switches 4,5 and 6 are used to select the CS line. Switch num-

ber 7 is used to enable the LCD backlight, and switch number 8

to enable the GLCD backlight;

13. Port Expander;

14. Set GLCD contrast according to your display characteristics;

15. You can connect Graphic LCD if you need it for your applica-

tion or LCD in 8-bit mode;

16. MCU Card sockets

17. 36 buttons enable you to control every pin on your microcon-

troller;

18. You can choose how to affect pin by pressing button, high

state or low state.

19. Reset circuit - if the reset button is pressed a hardware reset will

take place (MCU will start executing from the beginning).

20. See all the signals - each pin has a LED;

21. Set LCD contrast according to your display characteristics;

Width 250 mm 9.84 Inches

Height 210 mm 8.27 Inches

Development board dimensions



M I K R O E L E K T R O N I K A S O F T W A R E A N D H A R D W A R E S O L U T I O N S F O R T H E E M B E D D E D W O R L D

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C O N T E N

T S

CONNECTING THE SYSTEM page 4

INTRODUCTION page 5

Power Supply page 10

On-board USB 2.0 programmer page 11

LEDs page 12

Jumpers page 7

Switches and their functions page 6

MCU card page 8

Pushbutton switches page 14

Graphic LCD page 16

LCD 2x16 in 4-bit mode page 17

LCD 2x16 in 8-bit mode page 21

RS-232 Communication page 18

PS/2 (Keyboard) connector page 20

CONTENTS

DESCRIPTION OF THE DEVELOPMENT SYSTEM page 6

ICD2 (In-Circuit Debugger) connector page 27

A/D Converter input page 21

Direct port access page 23

Port Expander page 25


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EASYdsPIC4 User’s Manual MikroElektronika

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C O

N N E C T I N G

T H E S Y S T

E M

The development system box contains the development system, product CD, USB cable,RS232 cable and this manual.

The first thing to do is to take the system out of the box. Unpack the USB cable and con-

nect it to the PC. Please use USB ports on the back of the PC with direct connection to the

motherboard.

Install the dsPICFLASH programmer and drivers. Start the installation from the product

CD: CD_Drive:\product\zip\dsPICFlash_setup.exe.

After the installation connect the USB cable to the EASYdsPIC4 board. You will be asked

for the dsPICFLASH drivers. Point to them in order to finish the driver installation. They

are placed in the folder:

System_Drive:\Program Files\Mikroelektronika\dsPICFLASH-mikroICD\Driver.NT

Run and use dsPICFLASH as explained in the document ‘dsPICflash with mikroICD

support ’:

CD_Drive:\product\pdf\dspicflash_manual.pdf .

After these 4 steps, your EASYdsPIC4 is installed and ready for use. You can try to read a

program from the chip or to load an example from the examples folder of mikroElektroni-

ka’s compilers for dsPIC or from the product CD:

CD_Drive:\product\zip\EASYdsPIC4_examples.zip.

CONNECTING THE SYSTEM

Step no.1

Step no.2

Step no.3

Step no.4




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I N T

R O D U C T I O N


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INTRODUCTION

The EASYdsPIC4 development system is a full-featured development board for Microchip

dsPIC microcontrollers. It has been designed to allow students and engineers to easily exer-cise and explore the capabilities of dsPIC microcontrollers. It allows dsPIC microcon-

trollers to be interfaced with external circuits and a broad range of peripheral devices, allow-

ing the user to concentrate on software development.

Figure 1 illustrates the development board. On a silkscreen, there are identification marks

next to each component. These marks describe connections to the microcontroller, operation

modes and provide other useful notes. The need for additional schematics is minimized as

all relevant information is printed on the board.Figure 1.EASYdsPIC4 development board

MICROCHIP

DEVELOPMENT

BOARD

MICROCHIP

DEVELOPMENT

BOARD

dsPICdsPIC





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S W I T C H E S SWITCHES

Figure 2.

Group of 8 switches

Switch is ON

Switch is OFF

1 ON

4

3

2

5

8

7

6

Switch 1 is ON, and other

switches are OFF

The EASYdsPIC4 development board features a number of peripherial devices. In order to

enable these devices before programming, you need to check if appropriate jumpers or

switches have been properly set.

Switches are devices that have two positions - ON and OFF, which have a role to establish

or break a connection between two contacts. The EASYdsPIC4 development board has two

groups of switches.

The upper four switches of SW1 are used to enable LEDs connected to PORTB/C,

PORTA/D, PORTE and PORTF. For example, if the switch for PORTB is OFF, all PORTB

LEDs will be turned off. Switches 5 and 6 of SW1 are used to enable SDO(Serial Data Out-

put) and switches 7 and 8 to enable SDI (Serial Data Input).

The first two switches of SW2 are used to enable SCK, switches 3, 4 and 5 are used for

enabling CS (Chip Select) lines. Witches 7 and 8 are used to enable LCD Backlight and

GLCD Backight respectively.




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JUMPERS

Jumpers, like switches, can break or establish a connection between two points. Beneath the

plastic cover of the jumper is a metal contact, which makes a connection if the jumper is placed between two disconnected pins.

For example, jumper J16 is used as switch. It is used to connect the 4.096V voltage refer-

ence to the microcontroller’s RB0 pin. A connection is made when the jumpers are placed

between two contacts.

More often jumpers are used as a selector between two possible connections by using a three

pin connector. As illustrated in Fig. 4, the middle contact can be connected to the left or right

pin, depending on the jumper’s position.

Left lineis selected

All lines aredisconnected

Right lineis selected

Jumper is ON

Jumper is OFF

Figure 3.

Figure 4.

Jumper as a switch

Jumper as amultiplexer





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M

C U S O C K E T S MCU SOCKETS

EASYdsPIC4 is delivered with a PIC30F4013, 40-pin microcontroller. Users can remove

this one and fit a different microcontroller in DIP40, DIP28, DIP28, DIP18 packages. Thereare two different sockets for 40-pin MCUs (DIP40Aand DIP40B). There are also two sock-

ets for 28-pin MCUs (DIP28A and DIP28B).

For example,PIC30F4013 should be placed in DIP40B socket and PIC30F4011 should be

placed in DIP40A socket.

Figure 5. MCU sockets

Note: Since all packages have parallel connections, there must not be more than one micro-

controller on the board at a time.

Note: If you use DIP28A, DIP40A, or DIP40B MCU socket, use OSC1 oscillator socket. If

you use DIP28B or DIP18 MCU socket, use OSC2 oscillator socket.

EASYd PIC4 U ’ M l




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Microcontroller’s pins are routed to various peripherals as illustrated in Fig. 6. All ports have

direct connections to Direct Port Access connectors. Such connectors are typically used for

connecting external peripherals to the board or for providing useful points for connecting

digital logic probe.

All ports are connected to LEDs, push-button switches and pull-up/down resistors, which

allow easy monitoring and testing of digital pin state .

DIP40A DIP28A DIP28B DIP18

MCU SOCKETS

RB6

1 ON

4 3

2

PB&C LED

SW1

5

8

7

6

VCCVCC

VCC

PORTB

RB6 RB6

PORTB

J1J15CN1

P I

C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

RSTbut

1

0 K

R e s e t

1 0 0 n

VCC

R

7

C 8

T41

System connectionFigure 6.






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P O W E R S U P P L Y POWER SUPPLY

As a power supply source, users can select either a regulated supply from the USB cable

(default) or an external power supply. In case of the USB power supply, the system should be connected to a PC using the USB programming cable, while the jumper J12 should be

set in the right-hand position.

In the case of an external power supply, the EASYdsPIC4 board produces +5V using an

LM7805 voltage regulator. The external power supply can be AC or DC, with a voltage

between 8V and 16V and the jumper J12 should be set in the left-hand position. In Fig. 7

you can see USB and external power supply connectors.

GND

Vin Vout

CON2

8-12V (AC/DC)

E1470uF C14

100nF

E2470uF

2

5V

1

2

3

External Power Supply

USB Power Supply

EXT

EXT

USB

USB

REG17805

5V

DB18280C1500

J16CON3

CN6 1 2 3

VCC

EXT. line is selected

All lines are disconnected

USB line is selected

E3470uF

CN10V C C

GND

D-

D+

USBProgrammer

Connector

USB 2.0USB 2.0

J12 in the left-hand

position: system will

take power from the

external AC/DC

power adapter.

J12 in the right-hand

position: system will

take power from the

USB cable.

USB and power supply connectorsFigure 7. Figure 8. Power supply select jumper

Figure 9. JP16 is set to USB power supply

USB

connector

External power

supply connector

POWERSUPPLY

SELECTABLE

POWERSUPPLY

SELECTABLE





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S B 2 . 0 P R

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ON-BOARD USB 2.0 PROGRAMMER

Figure 10. USB 2.0 programmer

There is no need for the use of external

equipment during programming asEASYdsPIC4 development system has

its own on-board USB programmer. All

you need to do is connect the system to

a PC using USB cable. Then, load your

program into the microcontroller via

the ds PICflash programming software

which is supplied with EASYdsPIC4.

Note: There is no need for reseting MCU after programming. The programmer will reset the

MCU automatically.

USB 2.0


USB 2.0


VCC

PROGRAM

R16 27

d s

P I C f l a s

h

O n - B

o a r d

U S B

p r o g r a m m e r

R15 27

1 K RSTbut

USBDP

USBDN

RB5

PGC

RB5 PGC

mRST

MULTIPLEXER

R 1 8

VCC

D1BAT43

1 0 K

R 6

1 0 K

R e s e t

1 0 0 n

VCC

TO PERIPHERALS ONDEVELOPMENT BOARD

CN10V C C

GND

D-

D+

USBProgrammer

Connector

C15100nF

VCC

R 7

C 8

FP1F.BEAD

VCC

P I C 3 0 F 4 0 1

3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

RB6-PGC

RB7-PGD

mRST

RB4

PGD

RB4 PGD

MULTIPLEXER

T41RF PGC

RB6 PGC

RB7 PGD

RF3 PGD

RF3

RB7

RF

RB6

USB2.0USB 2.0

X38MHz

C1922pF

C1822pF

TO OTHER MCU SOCKETS

Figure 11. USB 2.0 programmer schematic

EASYdsPIC4 User’s Manual





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L E D s LEDs

Light Emitting Diodes (LEDs) are the most commonly used components, usually for dis-

playing pin’s digital state. EASYdsPIC4 has 36 LEDs that are connected to the microcon-

troller’s PORTB, PORTC, PORTD, PORTE and PORTF.

Each group of LEDs can be enabled or disabled using the switch SW1. The first switch

enables LEDs on PORTB and PORTC, the second switch enables LEDs on PORTA and

PORTD. Switches 3 an 4 are used to enable LEDs connected to PORTE and PORTF respec-

tively.

Fig. 13. illustrates the connection of a LEDs connected to PORTB of the microcontroller. A

resistor is used in series with the LED to limit the LED's current. In this case the resistor's

value is 1K.

Figure 12. Light Emitting Diodes

EASYdsPIC4 User’s ManualM E




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L E D s


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The LEDs are enabled when the corresponding switch on SW1 is on. When enabled, LEDs

will display the state of the corresponding microcontroller pin; otherwise the LEDs will

always be off, no matter what the port state is, as no current can flow through LED.

RN68x1K

123456789

RB 0

RB1

RB2

RB 3

RB4

RB 5

RB 6

RB7

1 ON

4

3

2

5

8

7

6

PF-LED

PE-LED

PA&D-LED

PB&C-LED

RB4

RF3

SW1

RF2

RB5

VCC

P I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

RB6-PGC

RB7-PGD

SPI-SDO

SPI-SDI

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

Figure 13.Light Emitting Diodes schematic




M I K R O E L E K T R O N I K A S O F T W A R E A N D H A R D W A R E S O L U T I O N S F O R T H E E M B E D D E D W O R L DUSB with 2.0 PROGRAMMER

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EASYdsPIC4 User s Manual MikroElektronika

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P U S

H B U T T O

N S W I T C H

E S PUSHBUTTON SWITCHES

EASYdsPIC4 has 36 push buttons, which can be used to change states of digital inputs to

microcontroller's ports. There is also one switch that acts as a RESET. Reset switch schemat-ic is shown in Figure 14.

VCC

PROGRAM

d s

P I C f l a s

h

O

n - B

o a r d

U S B

p r o g r a m m e r

1 K RSTbut

mRST

R 1 8

VCC

D1BAT43

1 0 K

R 6

1 0 K

R

e s e t

1 0 0 n

VCC

R 7

C 8

T41

X38MHz

C1922pF

C1822pF

VCC

P

I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C7

22pF

C8

22pF

OSC1A

OSC1B

RB6-PGC

RB6-PGD

mRST

Figure 16.

Pushbutton switches

Figure 15.Reset switch

Figure 14. Reset switch schematic





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P U S

H B U T T O

N S W I T C H

E S

USB with

2.0 PROGRAMMER

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VCC

RB0

RB1

RB2

RB3

RB4

RB5

RB6

RB7

RB8

RB9

RB2

RB10

RB11

RB12

RC13

RC14

RD0

RD1

RD2

RD3

RD8

RD9

RA11

RE0 RF0

RE1 RF1

RE2 RF2

RE3 RF3

RE4

RE5

RE8

PORTB PORTB/C PORTD/A PORTE PORTF

0V while button

is pressed

+5V while button

is pressed J15

VCC

P I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B


MCU SOCKETS

RF4

RF5

RF6

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

Buttons connections to PORTA, PORTB, PORTC, PORTD, PORTE and PORTF are shown

in Fig. 17. Jumper J15 determines whether a button press will bring logical zero or logical

one to the appropriate pin.

When button is not pressed, pin state is determined by the pull-up or pull-down port

jumpers.

In the example shown in Fig. 17, J15 is connected to +5V, therefore pressing the buttons will

bring logical one to the appropriate pins.

Figure 17. Pushbutton switches schematic





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G R A P H I C

L C D 1 2 8 X 6 4 GRAPHIC LCD

A graphic LCD (GLCD) allows advanced visual messages to be displayed. While a charac-

ter LCD can display only alphanumeric characters, a GLCD can be used to display mes-sages in the form of drawings and bitmaps. The most commonly used graphic LCD has the

screen resolution of 128x64 pixels. The GLCD’s contrast can be adjusted using the poten-

tiometer P3, which is placed to the right of the GLCD. GLCD backlight can also be turned

on or off using the switch 8 of switch group SW2.

P310K

Vee

VCC

Vo

ContrastAdjustment

D 5

D 4

D 3

D 2

D 1

D 0 E

R / W R

S

L E D

- V o

L E D +

V C C

V e e

G N D

R S T

C S 2

D 7

C S 1

D 6

1 20

mikroElektronika

EasydsPIC4

Development system

R D 1

R D 0

R B 3

R B 2

R B 1

R B 0

R F 4

R F 1

R F 0

R F 5

R B 5

R D 3

R B 4

R D 2

R2310

VCC

1 ON

4

3

2

5

8

7

6

RB7

RE8

RF6

RB6

RB6

RB5

SW2

GLCD-BCK

LCD-BCK

SPI-SCK

PE-CS

VCC

VCC

P I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

RB6-PGC

RB7-PGD

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

Figure 18. GLCD schematic

Figure 19.

GLCD

GRAPHIC LCD

CONNECTOR

ON-BOARD

GRAPHIC LCD

CONNECTOR

ON-BOARD





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LCD 2X16 IN 4-BIT MODE

The standard character LCD is probably the most widely used data visualization compo-

nent. Usually, it can display two lines of 16 alphanumeric characters, each character madeup of 5x8 pixels. The character LCD communicates with the microcontroller via a 4-bit data

bus. The connection to the microcontroller is shown in Fig. 21 where there are only four

data lines. It is important that the LCD is only inserted or removed from the EASYdsPIC4

when the power is off. Potentiomenter P4 is used to adjust the LCD’s contrast and switch 7

of switch group SW2 is used to turn on or off the LCD’s backlight.

P410K

ContrastAdjustment

VCC

VCC

P I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

D 7

D 6

D 5

D 4

D 3

D 2

D 1

D 0 E

R / W R

S

V E E

V C C

G N D

1 16

LCD4 Display

mikroElektronika

A K D 4

R B 3

R B 2

R B 1

R D 1

R D 0

V E E

V C C

R B 0

1 ON

4

3

2

5

8

7

6

RB7

RE8

RF6

RB6

RB8

RB5

SW2

GLCD-BCK

LCD-BCK

SPI-SCK

PE-CS

VCC

R2310

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

Figure 20.

LCD

Figure 21. LCD Schematic

MICROCHIP

DEVELOPMENT

BOARD

MICROCHIP

DEVELOPMENT

BOARD

dsPICdsPIC


D




E SYdsPI

ICD

4


18

page

R S -

2 3 2 C O M M U N I C A T I O N RS-232 COMMUNICATION

RS-232 communication enables point-to-point data transfer. It is commonly used in data

acquisition applications, for the transfer of data between the microcontroller and a PC. Sincethe voltage levels of a microcontroller and PC are not directly compatible with each other,

a level transition buffer such as the MAX232 must be used.

There are two jumper groups J8 and J9 for connecting MCU lines to MAX232 tranciever.

Jumper J8 is used to connect RC14, RF2 or RF4 MCU pin to RX line on RS232 port .

Jumper J9 is used to connect RC13, RF3 or RF5 MCU pin to TX line on RS232 port..

Figure 22. RS232 connector


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19

page

Development tools

R S 2 3 2 C O M M U N I C A T

I O N


E SYdsPI

ICD

4


MCU SOCKETS

1 5

6 9

6 9

1 5

1 2 3 4 5 6 7 8 9

CN12SUB-D 9p

RS232CON

MA

X 2 3 2

C1+

VS+

C1-

C2+

C2-

VS-

T2OUT

R2IN

VCC

GND

T1OUT

R1IN

R1OUT

T1IN

T2IN

R2OUT

1

2

3

4

56

7

8

16

15

14

13

1211

10

9

U4

E910uF

E1010uF

E11

10uF

E1210uF

VCC

RS232CON

CONNECTMCU TO PC

Receivedata (Rx)

SendData (Tx)

CONNECTPC TO MCU

SERIALCABLE

PC

VCC

P I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X1

10MHz

C722pF

C822pF

OSC1A

OSC1B

RB6-PGC

RB6-PGD

mRST

RX

TX

RF2

RF4

RC14

RF3

RF5

RC13

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

J8

J9

Figure 23. RS232 connector schematic


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E SYdsPI

ICD

4

o oo s

20

page

P

S / 2 C O M M U N I C A T I O N PS/2 COMMUNICATION

The PS/2 connector allows direct connection between EASYdsPIC4 and devices that use

PS/2 communication, such as PC, keyboard or mouse. For example, the microcontroller can be connected to a keyboard to capture pressed keys or it can be connected to a PC to act as

a keyboard. CLK and DATA lines are used for data tansfer. In this case, they are connected

to pins RC14 and RC13 respectively.

PS2CONNECTOR

DATANCGND VCCCLKNC

J37

J36

R31K

R21K C11

100n

DATA

CLK

NC

NC

+5V

VCC

P

I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

VCC

VCC

Figure 25. Keyboard connected to development board

Figure 26. PS2 connector schematic

Figure 24.PS2 connector


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21

page

A N A L O G T O D I G I T A

L C O N V E

R T E R I N P U T


E SYdsPI

ICD

4

A/D CONVERTER INPUT

Figure 27. A-D Converter input

EASYdsPIC4 development board has two potentiometers for working with Analog to

Digital Converter (ADC). Both potentiometers outputs are in the range of 0V to 5V. Twoanalog signals can be connected on two different analog input pins at the same time. There

are two jumper groups J6 and J7 for connecting MCU lines to potentiometers P1 and P2.

Jumper J6 is used to connect RB0, RB1, RB2 or RB3 MCU pin to potentiometer P1. Jumper

J7 is used to connect RB4, RB5, RB6 or RB7 MCU pin to potentiometer P2.

In order to measure analog signal without interference, turn the coresponding switch on

SW1 to OFF position. This will disable connection from the used PORTB pin to the pull-

up/down resistors.

Applications of A-D Conversion are various. Microcontroller takes analog signal from itsinput pin and translates it into a digital value. Basically, you can measure any analog signal

that fits in range acceptable by dsPIC. That range is 0V to 5V.

ADC INPUT

ENABLED

ADC INPUT

ENABLED


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E SYdsPI

ICD

4

22

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A N A L O G T O D I G I T A

L C O N V E

R T E R I N P U T

VCC

P I C 3 0

F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

RB6-PGC

RB7-PGD

P1P10K

J6

R B 0

P2P10K

VCC VCC

R B 1

R B 2

R B 3

R B 4

R B 6

R B 5

R B 7

RB6

RB7

RB4

RB5

RB2

RB3

RB0

RB1

8

9

6

7

4

5

2

3

1

RN1

8 X 1 0 K

J7

2

3

1J1

Up

Pull

Down

R30100

VCC

E1410uF

J28

6

VCCGND

VCC

M

CP1541

M

CP 5

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

Figure 28. A-D Converter input schematic


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23

page

D I R E C T P

O R T A C C E S S


E SYdsPI

ICD

4

DIRECT PORT ACCESS

These connectors can be used for system expansion with external boards such as Serial

Ethernet, Compact Flash, MMC/SD, ADC, DAC, CAN, RTC, RS-485, etc. Ensure that the

on-board peripherals are disconnected from microcontroller by setting the appropriate jumpers, while external peripherals are using the same pins. The connectors can also be used

for attaching logic probes or other test equipment.

All microcontroller input/output pins can be accessed via connectors placed along the right

side of the board. Each port (PORTA, PORTB, PORTC, PORTD, PORTE and PORTF) can be accessed via 10-pin connector (IDC10) providing VCC and GND.

Figure 29.Direct port access connectors

Figure 30.

Example of how to connectexternal peripheral with flatcable


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E SYdsPI

ICD

4

24

page

D I R E C T P

O R T A C C E S S

VCC

P I C 3 0 F 4

0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

RB6-PGC

RB6-PGD

mRST

RB4

RB6

RB0

RB2

RB5

RB7

RB1

RB3

HEADER 5x2

CN1

RB6

RB7

RB4

RB5

RB2

RB3

RB0

RB1

8

9

6

7

4

5

2

3

1

2

3

1J1

Pull-up line isconnected

All linesare disconnected

Pull-down lineis connected

RN1

VCC

VCC

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

Figure 31. Direct port access schematic


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25

page

P O

R T E X P A N

D E R


E SYdsPI

ICD

4

PORT EXPANDER

Figure 32. Port Expander

The MCP23S17 device family provides 16-bit, general purpose parallel I/O exopansion for

SPI applications.

The MCP23S17 consists of multiple 8-bit configuration registers for input, output and polar-

ity selection. The system master can enable the I/O as either inputs or outputs by writing the

I/O configuration bits. The data for each input or output is kept in the corresponding input

or output register. The polarity of the Input Port register can be inverted with Polarity

Inversion register. All registers can be read by the system master.

In order to enable SPI communication you need to select source pins for SDO, SDI, SCK and CS lines, depending on MCU you are using.

For example, if you are using PIC30F4013 you need to select RF3 pin for SDO line, RF2

pin for SDI line and RF6 pin for SCK line. For CS line, you can choose RB5, RB7 or RB8

pin.


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E SYdsPI

ICD

4

26

page

P O

R T E X P A N

D E R

1 ON

4

3

2

5

8

7

6

PF-LED

PE-LED

PA&D-LED

PB&C-LED

RB4

RF3

SW1

RF2

RB5

SPI-SDO

SPI-SDI

1 ON

4

3

2

5

8

7

6

RB7

RE8

RF6

RB6

RB8

RB5

SW2

GLCD-BCK

LCD-BCK

SPI-SCK

PE-CS

VCC

PA4

PA6

PA0

PA2

PA5

PA7

PA1

PA3

HEADER 5x2

CN11

VCC

PB4

PB6

PB0

PB2

PB5

PB7

PB1

PB3

CN12

VCC

VCC

P I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

GPB0

GPB1

GPB2

GPB3

GPB4

GPB5

GPB6

GPB7

VDD

VSS

CS

SCK

SI

SO

M C P 2 3 S 1 7

GPA7

GPA6

GPA5

GPA4

GPA3

GPA2

GPA1

GPA0

INTA

INTB

RESET

A2

A1

A0

1

2

3

4

5

6

7

8

9

10

11

12

13

14 15

16

17

18

19

20

21

22

23

24

25

26

27

28


MCU SOCKETS

VCC

C6100n

E4100uF

VCC

R110K

VCC

R6BAT43

Figure 33. Port Expander schematic


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27

page

I C D

2 C O N N E C

T O R


E SYdsPI

ICD

4

ICD2 (IN-CIRCUIT DEBUGGER) CONNECTOR

The ICD2 is low-cost In-Circuit Debugger (ICD) and In-Circuit Serial Programmer (ICSP).

ICD2 is intended to be used as an evaluation, debugging and programming aid in a labora-tory enviroment.

The ICD2 offers these features:

- Real-time and single-step code execution

- Breakpoints, Register and Variable Watch/Modify

- In-Circuit Debugging

- Target VCC monitor

1

23

45

6

VCC

CN23

RJ12CONNECTOR

ICD2Connector

RB6-PGC

RB5-PGC

VCC

P I C 3 0 F 4 0 1 3

RB0

RB1

RB2

RB3

RC13

RC14

RB4

RB5

RB6/PGC

RB7/PGD

RB8

RD9

RD3

GND

RD8

RD2

VCC

RF6

RF3

RF2

RF5

RF4

RF1

RF0

RD1

RD0

RB12

RB11

RB10

RB9

AVCC

AGND

RA11

VCC

GND

OSC1

OSC2

MCLR

VCC

GND

X110MHz

C722pF

C822pF

OSC1A

OSC1B

RB6-PGC

RB7-PGD

RF2-PGC

PGC

PGD

RB7-PGD

RB4-PGD

RF3-PGD


MCU SOCKETS

1 0 K

R e s e t

1 0 0 n

VCC

R 7

C 8

T41

J10

J11

Figure 34.

ICD2 Connector

Figure 35. ICD2 Connector schematic

Note: There are two jumper groups J10 and J11. J10 connects RF2, RB6 and RB5 pin to

PGC line on ICD2 connector. J11 connects RF3, RB7 and RB4 pin to PGD line on ICD2

connector


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E SYdsPI

ICD

4

28

page

None part of this manual, including the product and software described in it, may be repro-

duced, transmitted, transcribed, stored in a retrieval system, or translated into any language

in any form or by any means, without express written permission of MikroElektronika com-

pany, excepting documentation kept the purchaser for backup purposes.

Product warranty or service will not be extended if the product is repaired, modified or

altered, unless such repair, modification or alteration is authorized in writing by

MikroElektronika.

MIKROELEKTRONIKA PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF

ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

IMPLIED WARRANTIES OR CONDITIONS OF MERCHANT ‘S ABILITY OR FITNESS FOR

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SPECIFICATION AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED

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WITHOUT NOTICE, AND SHOULD BE CONSTRUED AS A COMMITMENT BY

MIKROELEKTRONIKA.

MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that

may appear in this manual, including the product and software described in it.

Product and corporate names appearing in this manual may or may not be registered trade-

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explanation and to the owners’ benefit, without intent to infringe.

First edition

May 2007

u s e d t o

N a n d

e L E D s

s e l e c t -

O a n d

e s p

a n d e r

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g S C K

i n e s a n d

b l i n g

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t o o m e t e r s

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8 0 5 1

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D E V . T

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p r o g r a m m e r

P

I

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D e v e l o p m e n t

t o

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D S P I C

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M i k r o E l e k

t r o n i k a

T o o l s - C o m p i l e r s - B o o k s

w w w . m i k r o e . c o m

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c o n n e c t o r

G L C D / L C D c o n t

r a s t

C h o o s e b e t w e e n

e x t e r n a l o r U S B

p o w e r s u p p l y .

W i t h U S B p o w e r

s u p p l y s e l e c t e d ,

y o u d o n ’ t n e e d

e x t e r n a l s u p p l y .

R e s e t c i r c u i t

Y o u c a n c o n n e c t

L C D i f y o u n e e d

i t f o u r y o u r a p p l i -

c a t i o n i n 4 - b i t

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t u r m O N

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u t t o n s f o r s i m u l a t i n g p i n s

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s e l e c t i n

a n C S l i

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b a c k l i g h

S e t t i n g

t o t h e u

p o s i t i o n

t h e p i n s

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p o r t t o l

o n e ( p u

j u m p e r

t o l o w e r

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d o w n )

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c a n b e

n e c t e d t

p o t e n t i o

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P S 2 k e y b o a r d

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E A S Y d s P I C 4 s u p p o r t s 1 8 - p i n ,

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MikroElektronika



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solutions for Embedded World

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