ELT253

Microprocessor Systems

ELT253 Microprocessor Systems

8085 Peripherals

ELT253 Microprocessor Systems

Understand the Technology

ELT253 Microprocessor Systems

Power-On Timing

ELT253 Microprocessor Systems

8085 CPU and Memories

ELT253 Microprocessor Systems

Control Strobes

ELT253 Microprocessor Systems

8155 I/O Modes

ELT253 Microprocessor Systems

8355/8755 ROM and I/O Expander

ELT253 Microprocessor Systems

Program Example - RDKBD

ELT253 Microprocessor Systems

Program Example - UPDDT

ELT253 Microprocessor Systems

Program Example – RDKBD, UPDDT

ELT253 Microprocessor Systems

8085a Reset Function

ELT253 Microprocessor Systems

MCS-85™ TOTAL SYSTEM

ELT253 Microprocessor Systems

8755 I/O Example

ELT253 Microprocessor Systems

Component Side (Scale: =1:1)

ELT253 Microprocessor Systems

Solder Side (Scale: = 1:1)

ELT253 Microprocessor Systems

Component Layout

ELT253 Microprocessor Systems

8755A One Bit of Port A and DDRA

ELT253 Microprocessor Systems

2048 Bit Static MOS RAM with I/O Ports and Timer

(1 of 4)

ELT253 Microprocessor Systems

2048 Bit Static MOS RAM with I/O Ports and Timer

(2 of 4)

ELT253 Microprocessor Systems

2048 Bit Static MOS RAM with I/O Ports and Timer

Pin Configuration (3 of 4)

ELT253 Microprocessor Systems

2048 Bit Static MOS RAM with I/O Ports and Timer

Block Diagram (4 of 4)

ELT253 Microprocessor Systems

8155/8156 Pin Functions (1 of 2)

ELT253 Microprocessor Systems

8155/8156 Pin Functions (2 of 2)

ELT253 Microprocessor Systems

2048 \Bit Static MOS RAMM with I/O

Ports and Timer (1 of 4)

ELT253 Microprocessor Systems

2048 \Bit Static MOS RAMM with I/O

Ports and Timer (2 of 4)

ELT253 Microprocessor Systems

2048 \Bit Static MOS RAMM with I/O

Ports and Timer - Pin Configuration (3 of 4)

ELT253 Microprocessor Systems

2048 \Bit Static MOS RAMM with I/O

Ports and Timer - Block Diagram (4 of 4)

ELT253 Microprocessor Systems

Dynamic RAMS

ELT253 Microprocessor Systems

Static RAMS

ELT253 Microprocessor Systems

SIMMS & SIPS

ELT253 Microprocessor Systems

EPROMS

ELT253 Microprocessor Systems

8185/8185-2 1024 X 8-Bit Static RAM