sch esp32-korvo v1 1 20200319a... V1.1 #31025 - ESP32-Korvo C Thursday, March 19, 2020 1 5 5 5 4 4 3...

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

System Block:

Title

Size Document Number Rev

Date: Sheet o f

<01_DesignBlock> V1.1

#31025 - ESP32-Korvo

C

1 5Thursday, March 19, 2020

Title


Date: Sheet o f



C


Title


Date: Sheet o f



C


5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

3.3V/800mA

To ADC

System LED = H ，LED light ON;System LED = L ，LED light OFF;

UART&Download

ESP0 Pin Configuration:

MicroSD Card SPI mode:1. DAT3 works as CS(chip select);2. CMD works as DI(Data In);3. CLK works as Clock;4. DAT0 works as DO(Data out).

ESP32 Module:

To Codec

ESP32 Module:

+5V -> 3.3V:

LED Indication:

Pla

ce clo

se to

Mo

du

le.

Notes：1.Reserved SDIO 1-bit for comunicating with another esp system.

ESP0_SD_CMD

ESP0_SD_CLK

ESP0_SD_DAT0

ESP0_SD_DET

ESP0_SD_VCC33

ESP0_SD_DET

ES_I2C_CLKES_I2C_SDA

ES7210_MCLKES7210_SCLKES7210_LRCKES7210_SDOUT

ES7210_INT

ESP0_LED

ESP0_UART0_TXESP0_UART0_RX

ESP0_Boot_IO0ESP0_Boot_IO2ESP0_Boot_EN

ESP0_SD_DAT3

ESP0_SD_DAT1

ESP0_SD_DAT2

ESP0_EN

ESP0_GPI34

ESP0_GPIO26ESP0_GPIO27

ESP0_GPIO12

ESP0_GPI36ESP0_GPI39

ESP0_GPIO25

ESP0_GPIO14

ESP0_GPI35ESP0_GPIO32ESP0_GPIO33

ESP0_GPIO13GND


ESP0_GPIO21ESP0_UART0_RXESP0_UART0_TX

ESP0_Module_NC

ESP0_GPIO0ESP0_GPIO4ESP0_GPIO16_NCESP0_GPIO17_NCESP0_GPIO5ESP0_GPIO18ESP0_GPIO19

GND


ESP0_GPIO2

A0_SCK/CLK

A0_SCS/CMD

A0_SWP/SD3

A0_SHD/SD2

ESP0_GPIO13

GND

ESP0_GPIO15

A0_SDI/SD1

A0_SDO/SD0

ESP0_GPIO12

ESP0_GPI34


ESP0_GPI39ESP0_GPI36

ESP0_GPIO25

GND

ESP0_GPIO14

ESP0_GPIO33ESP0_GPIO32ESP0_GPI35


ESP0_GPIO21ESP0_UART0_RXESP0_UART0_TX

ESP0_Module_NC

ESP0_GPIO0ESP0_GPIO4ESP0_GPIO16_NCESP0_GPIO17_NCESP0_GPIO5ESP0_GPIO18ESP0_GPIO19

GND

ESP0_ENESP0_VDD33

B0_SHD/SD2B0_SWP/SD3B0_SCS/CMD B0_SCK/CLK

B0_SDO/SD0B0_SDI/SD1

GND

Codec_I2S0_MCLKCodec_I2S0_SCLKCodec_I2S0_LRCKCodec_I2S0_DSDIN

PA_CTRL



ES7210_INT


ESP0_GPIO0ESP0_GPIO27ESP0_GPIO26ESP0_GPI36

ESP0_GPI34

ESP0_SD_CLKESP0_SD_CMDESP0_SD_DAT0

ESP0_SD_DETESP0_SD_DAT3

ESP0_GPI35

ESP0_LED


ESP0_GPIO0ESP0_GPIO2ESP0_EN

WS2812_CTRL

BT_ARRAY_ADC

ESP0_KEY1

ESP0_GPIO0Codec_I2S0_SCLKCodec_I2S0_MCLK

Codec_I2S0_DSDINCodec_I2S0_LRCK

PA_CTRL

ESP0_GPIO25ESP0_GPIO22ESP0_GPIO13ESP0_GPIO12

WS2812_CTRL


ESP0_GPI39

BT_ARRAY_ADCESP0_KEY1

ESP0_GPI39

ESP0_GPIO33

ESP0_GPIO14ESP_SDIO_CLKESP_SDIO_CMDESP_SDIO_DAT0ESP_SDIO_DAT1

ESP0_GPIO15ESP0_GPIO2ESP0_GPIO4

ESP0_GPIO5ESP0_GPIO18ESP0_GPIO21ESP0_GPIO23

ESP_SDIO_CLKESP_SDIO_CMDESP_SDIO_DAT0ESP_SDIO_DAT1

ESP0_UART0_RXESP0_UART0_TX


GND

ESP0_VDD33

GNDGND

VCC

GND GND

GNDGND

SD0_VCC33

GND

SD0_VCC33ESP0_VDD33

GND GND

ESP0_VDD33

ESP0_VDD33

GNDGND

ESP0_VDD33

GND

ESP0_VDD33

GND

ESP0_VDD33

ES_I2C_SDA3,4ES_I2C_CLK3,4

ES7210_MCLK3ES7210_SCLK3ES7210_LRCK3ES7210_SDOUT3

ES7210_INT3

ESP0_UART0_TX5ESP0_UART0_RX5

ESP0_Boot_IO05ESP0_Boot_IO25ESP0_Boot_EN5

Codec_I2S0_MCLK4Codec_I2S0_SCLK4Codec_I2S0_LRCK4Codec_I2S0_DSDIN4

PA_CTRL4

WS2812_CTRL3

BT_ARRAY_ADC3

ESP0_KEY15

Title


Date: Sheet o f

<02_ESP0> V1.1


C

2 5Monday, March 16, 2020

Title


Date: Sheet o f

<02_ESP0> V1.1


C


Title


Date: Sheet o f

<02_ESP0> V1.1


C


R38 0R(1%)(NC)

R8 0R(1%)

R12 51R(1%)

D27

LESD8D3.3CAT5G

R213 51R(1%)

R10 0R(1%)

R216 0R(1%)

R224 10K(1%)(NC)

R15 51R(1%)

C22

0.1uF/50V(10%)

R51 1K(1%)(NC)

D25

LESD8D3.3CAT5G

U18 ESP32-WROOM-32(NC)

GND11

3V32

EN3

SENSOR_VP4

SENSOR_VN5

IO346

IO357

IO328

IO339

IO2510

IO2611

IO2712

IO1413

IO1214

GND338

IO2337

IO2236

TXD035

RXD034

IO2133

NC32

IO1931

IO1830

IO529

IO1728

IO1627

IO426

IO025

GND2

15

IO13

16

SD2

17

SD3

18

CMD

19

CLK

20

SD0

21

SD1

22

IO15

23

IO2

24

P_GND39

C27

0.1uF/50V(10%)

C128

100uF/6.3V(20%)

R11 0R(1%)

Q3

AO3401

R225 10K(1%)(NC)

R17 0R(1%)

R52

10K(1%)(N

C)

R218 0R(1%)

U3 AMS1117-3.3

GND

1

VOUT2

VIN3

Tab4

R214 51R(1%)

C127

1uF/16V(10%)

C129

0.1uF/50V(10%)

R252

10K(1%)(N

C)

JP2

CON4X1_2P54(NC)

11

22

33

44

D3LESD8D3.3CAT5G

C26

10uF/25V(20%)

R226 10K(1%)(NC)

Q4LBSS138LT1G(NC)

C21

0.1uF/50V(10%)

R185

10K(1%)

D26

LESD8D3.3CAT5G

R28

3.3K(1%)

D4

LESD8D3.3CAT5G

R227 10K(1%)(NC)

R222 0R(1%)R220 0R(1%)

D7 RED LED(NC)

R215 0R(1%)

R29

3.3K(1%)

D5

LESD8D3.3CAT5G

R217 0R(1%)

R49 5.1K(1%)(NC)

R221

10K(1%)

R173

51K(1%)(N

C)

R33 51R(1%)

C23

10uF/25V(20%)

D6

LESD8D3.3CAT5G

R211 0R(1%)(NC)

R34 0R(1%)

C156

0.1uF/50V(10%)

R174

51K(1%)(N

C)

D2LESD8D3.3CAT5G

R32 51R(1%)

R48

10K(1%)

U17

ESP32-WROVER Module

GND11

3V32

EN3

SENSOR_VP4

SENSOR_VN5

IO346

IO357

IO328

IO339

IO2510

IO2611

IO2712

IO1413

IO1214

GND215

IO1316

SD217

SD318

CMD19

CLK20SD021SD122IO1523IO224IO025IO426NC127NC228IO529IO1830IO1931NC32IO2133RXD034TXD035IO2236IO2337GND338P_GND39

R42

51K(1%)

R36 0R(1%)

R9 0R(1%)

R251

10K(1%)(N

C)

R37 0R(1%)(NC)

R35 0R(1%)

J2

TF_CARD

CD/DATA32

CMD3

VDD4

CLK5

VSS6

DATA07

DATA18

CD9

G110

DATA21

G211

G312

G413

R43

51K(1%)

R14 51R(1%)

R223 0R(1%)

R44

51K(1%)

C20

10uF/25V(20%)

R7 0R(1%)

R39 0R(1%)

JP1

CON4X1_2P54(NC)

11

22

33

44

R212 51R(1%)

R16 0R(1%)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Notes:1.Vout=1.20*(1+R1/R2)=3.296V; R1=52.3K,R2=30.1K are recommended for better performance.

R1

R2

AD[1:0] ES7210 CHIP ADDRESS

AD1=0, AD0=0

AD1=0, AD0=1

AD1=1, AD0=0

AD1=1, AD0=1

0x80(8bit) / 0x40(7bit) (Default)

0x82(8bit) / 0x41(7bit)

0x84(8bit) / 0x42(7bit)

0x86(8bit) / 0x43(7bit)

Close to MIC.

Close to MIC.

MIC Array Connector:

Power for ADC:

ADC:

Location Holes:

FPC 0.5MM 16Pins

ES_I2C_SDA


ES7210_INT

ES7210_INT

ADC_MIC1N

ADC_MIC1P

ADC_MIC2P

ADC_MIC2N

ADC_MICBIAS12

ADC_MICBIAS34

ADC_MIC3NADC_MIC3P

ADC_MIC4PADC_MIC4N

ADC_AD1


ADC_AD0

ES_I2C_CLK


ADC_MIC3PADC_MIC3N

WS2812_CTRL

BT_ARRAY_ADC

ADC_MIC4PADC_MICBIAS12ADC_MIC1P

ADC_MIC2P

ADC_MICBIAS34

ADC_MIC1NADC_MIC2N ADC_MIC4N

BT_ARRAY_ADCADC_MIC4PADC_MIC4NADC_MICBIAS34ADC_MIC2PADC_MIC2NADC_MICBIAS12ADC_MIC1PADC_MIC1N

WS2812_CTRLES_I2C_CLKES_I2C_SDA

ADC_GND ADC_GND ADC_GND


ADC_VCC33

ADC_GND ADC_GND

VCC

ADC_GND

ADC_GND ADC_GND

ADC_VCC33ADC_GND

ADC_GNDADC_GND

ADC_GND

ADC_VCC33


ADC_GND ADC_GND

ADC_VCC33

ADC_GND

ADC_VCC33

ADC_GND

ADC_GND

ADC_GNDADC_GND

ADC_GND

ADC_GND ADC_GND

ADC_GND

ADC_GND

ADC_GNDADC_GNDADC_GNDADC_GNDADC_GNDADC_GNDADC_GNDADC_GND

VCCADC_GND

ADC_GND

ADC_GND

ES_I2C_SDA2,4

ES7210_INT2

ES_I2C_CLK2,4

ES7210_MCLK2ES7210_SCLK2ES7210_LRCK2ES7210_SDOUT2

AEC_ADC_MIC3P4

AEC_ADC_MIC3N4

WS2812_CTRL2

BT_ARRAY_ADC2

Title


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<03_ESP0_ADC_MicphoneCNN> V1.1


C


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C


C48 1uF/16V(10%)

C33

22pF/50V(5%)

C155 22pF/50V(5%)(NC)

R58 10K(1%)(NC)

C46

0.1uF/50V(10%) C52 1uF/16V(10%)

C136

22pF/50V(5%)(NC)

C50 1uF/16V(10%)

C42

1uF/16V(10%)

C47

10uF/25V(20%)

R60 51R(1%)

R59 10K(1%)

C38 1uF/16V(10%)

C53 1uF/16V(10%)

C135

22pF/50V(5%)(NC)

C51

1uF/16V(10%)

TP1

1

C49

10uF/25V(20%)

R66

52.3K(1%)

C39 1uF/16V(10%)

C152 22pF/50V(5%)(NC)

C54 1uF/16V(10%)

U6

ES7210

AD0

1AD1

2CDATA

3CCLK

4MCLK

5VDDP

6VDDD

7GNDD

8

SCLK9

LRCK10

SDOUT1/TDMOUT11

SDOUT2/TDMIN12

INT13

DMIC_CLK14

MIC1N15

MIC1P16

REFP12

17

REFQ12

18

MIC2P

19

MIC2N

20

GNDA

21

VDDA

22

VDDM

23

MICBIAS12

24

REFQM25MICBIAS3426MIC4N27MIC4P28REFP3429REFQ3430MIC3P31MIC3N32E_GND33

C57 1uF/16V(10%)

C45

10nF/50V(10%)(N

C)

C55

1uF/16V(10%)

C130

22pF/50V(5%)(NC)

C37

22pF/50V(5%)

STD1

M3-L5-3.5

C151 22pF/50V(5%)(NC)

C35 1uF/16V(10%)

R53 0R(1%)

C431uF/16V(10%)

R61 0R(1%)(NC)

R56 10K(1%)(NC)

R55 0R(1%)

C34 1uF/16V(10%)

C150 22pF/50V(5%)(NC)C40

22pF/50V(5%)

C56

1uF/16V(10%)

STD3

M3-L5-3.5

R57 10K(1%)

C132

22pF/50V(5%)(NC)

C29

1uF/16V(10%)

R65

10K(1%)

C44

1uF/16V(10%)

C149 22pF/50V(5%)(NC)

R62 10K(1%)(NC)

C41

1uF/16V(10%)

J9

AFC01-S16FCC-00

44

33

22

11

17

17

18

18

55 66 77 88 99 1010 1111 1212 1313 1414 1515 1616

R69 0R(1%)

R68

30K(1%)

C31

0.1uF/50V(10%)

R67

10K(1%)(NC)

STD2

M3-L5-3.5

C148 22pF/50V(5%)(NC)

C133

22pF/50V(5%)(N

C)

C145 0.1uF/50V(10%)

R54 0R(1%)

R63 10K(1%)(NC)

C36

22pF/50V(5%)

J3CON7X2_2P0(NC)1

12

2

33

44

55

66

77

88

99

10

10

11

11

12

12

13

13

14

14

C30

0.1uF/50V(10%)

U7 RT9043GB@400mA

EN3

OUT5

VIN1

NR/FB4

GND

2

STD4

M3-L5-3.5

C154 22pF/50V(5%)(NC)

C134

22pF/50V(5%)(N

C)

C147 10uF/25V(20%)

C32

22pF/50V(5%)

R64 0R(1%)

C153 22pF/50V(5%)(NC)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

R62 = NC, R63 = 10K, I2C Address = 0x40R62 = 10K, R63 = NC, I2C Address = 0x41

RC circuit to avoid errorsduring I2C read and write

Notes:1.Vout=1.20*(1+R1/R2)=3.296V; R1=52.3K,R2=30.1K are recommended for better performance.

R1

R2

Notes：1.When EarPhone NO plug in,EarPhone_Detect keep low,thus Q12 off,and then B=H,AND_PA_CTRL will follow the status of PA_CTRL ;2.When EarPhone plug in,EarPhone_Detect swith to high,thus Q12 ON,and then B=L,AND_PA_CTRL will keep low ;

Codec:

Power for Codec:

AEC: PA & Speaker:

EarPhone:

DVDD

Codec_I2S0_LRCK

Codec_I2S0_MCLK

Codec_I2S0_ASDOUTCodec_I2S0_SCLK

Codec_I2S0_DSDIN

Codec_CE

ADCVREF

DACVREF

VMID

ES_I2C_SDA

ES_I2C_CLK

AVDD

PVDD OUTN

OUTP

PA_OUTL+

PA_OUTL-

AND_PA_CTRL

PA_INL+PA_INL-

PA_OUTL+

PA_OUTL-PA_PVDD1

DAC_AOUTLN

DAC_AOUTLP PA_INL+

PA_INL-

ES_I2C_SDA

PA_CTRL

ES_I2C_CLK

Codec_I2S0_MCLKCodec_I2S0_SCLKCodec_I2S0_LRCKCodec_I2S0_DSDIN

AEC_ADC_MIC3PAEC_ADC_MIC3N

PA_OUTL+DAC_AOUTLP

PA_OUTL-DAC_AOUTLN

AEC_ADC_MIC3P

AEC_ADC_MIC3N

OUTP

OUTN

DAC_AOUTLN

DAC_AOUTLP

PA_CTRL

AND_PA_CTRL

EarPhone_Detect

EarPhone_Detect

ADC_GND

Codec_3V3

Codec_3V3

ADC_GND

ADC_GND

ADC_GND

ADC_GND

Codec_3V3

Codec_3V3

ADC_GND

ADC_GND

ADC_GNDADC_GND

ADC_GND

ADC_GND

ADC_GNDADC_GND ADC_GND ADC_GND

Codec_3V3

ADC_GND ADC_GND

VCC

ADC_GND

ADC_GND

ADC_GND

ADC_GNDADC_GNDADC_GND

ADC_GND GND

VCC

ADC_GND

ADC_GND

ADC_GND

ADC_GND

Codec_3V3

ADC_GNDADC_GND

ADC_GND

ADC_GND

Codec_3V3

ADC_GND

Codec_3V3

ADC_VCC33

ES_I2C_SDA2,3

PA_CTRL2

ES_I2C_CLK2,3

Codec_I2S0_MCLK2Codec_I2S0_SCLK2Codec_I2S0_LRCK2Codec_I2S0_DSDIN2

AEC_ADC_MIC3P3

AEC_ADC_MIC3N3

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Date: Sheet o f

<04_ESP0_Codec_PA> V1.1


C


Title


Date: Sheet o f



C


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C


R140 0R(5%)(NC)

R123 0R(1%)

C93 0.47uF/10V(10%)

R195 0R(1%)

C70

1uF/16V(10%)

R127

10K(1%)(NC)

R115

2K(1%)(NC)

R144 0R(1%)

R128

30K(1%)(NC)

R138

3.3K(1%)(NC)C90

1uF/16V(10%)

R116 10K(1%)(NC)

R133 2.2K(1%)

C96

2200pF/50V(10%)

R186 100K(1%)C100

22pF/50V(5%)

C71

22pF/50V(5%)

U12 RT9043GB@400mA(NC)

EN3

OUT5

VIN1

NR/FB4

GND

2

C79

0.1uF/50V(10%)

C74

1uF/16V(10%)

R134 10K(1%)

C106

22pF/50V(5%)

C72

22pF/50V(5%)

R124 0R(1%)

C98

100pF/50V(5%)

L40R(1%)

U19

SN74LVC1G08DBVR

A1

B2

GND3

VCC5

Y4

R187 100K(1%)

C91

10uF/25V(20%)(NC)

R129 0R(1%)

R147 0R(1%)

R135 20K(1%)

R142 10K(1%)

C97 0.1uF/50V(10%)

C83

22pF/50V(5%)

Q16LBSS138LT1G

C81

0.1uF/50V(10%)

J5

A2001WR-S-2P

C68 0.1uF/50V(10%)

C105 0.1uF/50V(10%)

+ C92

220uF/16V(20%)R145 20K(1%)

R120 0R(1%)

C82

10uF/25V(20%)

C84

22pF/50V(5%)

R141 2.2K(1%)

R146 150K(1%)

C89

1uF/16V(10%)

R130

10K(1%)

C88

22pF/50V(5%)

U11 ES8311

CCLK1

MCLK2

PVDD3

DVDD4

DGND5

SCLK/DMIC_SCL

6

ASDOUT

7

LRCK

8

DSDIN

9

AGND

10

AVDD11OUTP12OUTN13DACVREF14ADCVREF15

VMID

16

MIC1N

17

MIC1P/DMIC_SDA

18

CDATA

19

CE

20

PAD

21

R126

52.3K(1%)(NC)

R137

4.3K(1%)

C86

22pF/50V(5%)

R139 150K(1%)

C85

10uF/25V(20%)

L30R(1%)

R119 0R(1%)

C87

22pF/50V(5%)

R143 0R(1%)

C104

330pF/50V(10%)(NC)

TP4 1

C80

10nF/50V(10%)(N

C)

R114

2K(1%)(NC)

R118 0R(1%)

R136 0R(1%)

C99

330pF/50V(10%)(NC)

PJ-393-A

J111

22

33

44

55

66

77

88

C95

10nF/16V(10%)

C78

1uF/16V(10%)

R131 0R(1%)

R117 10K(1%)

R122 0R(1%)

R121 0R(1%)

C76 1uF/16V(10%)

C101

330pF/50V(10%)(N

C)

C94 0.22uF/16V(10%)

TP21

R132 0R(5%)(NC)

C102 0.47uF/10V(10%)

C75 1uF/16V(10%)

C73

1uF/16V(10%)

C103 0.22uF/16V(10%)

C77

0.1uF/50V(10%)R125

10K(1%)

TP31

U13 NS4150

CTRL1

Bypass2

IN+3

IN-4

OUT-5VCC6GND7OUT+8

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Auto program

DTR RTS-->EN IO0 IO2 1 1 1 1 1 0 0 1 1 1 1 0 0 1 1 0 1 1 0 0

Power On LED

Power IN:UART:

Reset & Download & Button:

BATTERYCNN

BATTERY:

AUX_USB_POWER

D-D+

DTR

RTS

ESP0_Auto_EN

ESP0_Auto_IO0_IO2

ESP0_Auto_IO2

USB_DMUSB_DP

USB_DPUSB_DM

RST# ACTIVE

RTS

DTRESP0_UART0_RXESP0_UART0_TX

ESP0_Boot_EN

ESP0_Auto_EN

EN_KEY

ESP0_Auto_IO0_IO2

ESP0_Boot_IO0

ESP0_Boot_IO2IO0_IO2_KEY ESP0_KEY1

ESP0_UART0_RXESP0_UART0_TX


ESP0_KEY1

BAT_CHRGBAT_STBY

VBUS

GND GND

VBUS0

GND

VBUS

GND GND

GND

VCC

GND GND

GND

ESP0_VDD33

GND

GND

GND

GND

VBUS0

ESP0_VDD33

GND

GND

ESP0_VDD33

GND

ESP0_VDD33

ESP0_VDD33

GND GND

GND

GND

GND

VBUS

VBAT

AUX_VCC

VBAT

VBUS

GNDGND

VBUS

GND

GND

AUX_VCC

VBUS

ESP0_UART0_TX2ESP0_UART0_RX2

ESP0_Boot_IO02ESP0_Boot_IO22ESP0_Boot_EN2

ESP0_KEY12

Title


Date: Sheet o f

<05_Power_UART> V1.1


C


Title


Date: Sheet o f



C


Title


Date: Sheet o f



C


R171 10K(1%)(NC)

C123

22uF/10V(20%)(NC)

R41

5.1K(1%)

R76 5.1K(1%)

R105 22.1K(1%)

D20

LESD5D5.0CT1G

C142

10uF/25V(20%)

Q13L8050QLT1G(NC)

R247

100K(1%)(NC)

R208 0R(1%)

C143

0.1uF/50V(10%)

R196

47.5K(1%)

D21

LESD5D5.0CT1G

Q14AO3401

Q9L8050QLT1G

D23 1N5819HW-7-F

R248 100K(1%)(NC)

ON OFF

J8SK-12D02-VG3

11

22

33

44

55

U5

AP5056

TEMP1

PROG2

GND3

VCC4

BAT5STDBY6CHRG7CE8

PGND9

C140

1uF/16V(10%)

R209 0R(1%)

R181 0R(1%)

R210

47K(1%)(NC)

R167 10K(1%)

D17 1N5819HW-7-F(NC)

C19 0.1uF/50V(10%)

D19

LESD5D5.0CT1G

R78 5.1K(1%)

C25

0.1uF/50V(10%)

Q11L8050QLT1G

R40

47K(1%)(NC)

C141

10uF/25V(20%)(N

C)

C200

10uF/25V(20%)

SW10

SW86476

11

22

33

44

C14 0.1uF/50V(10%)

C120

10uF/25V(20%)

R85

100K(1%)

D9 GREEN LED

R169 10K(1%)

J7

Micro USB 5P Female

VBUS1

D-2

D+3

GND5NC4

GND6

GND7

GND8

GND9

R250 22.1K(1%)(NC)

U15 CP2102N-A02-GQFN28

DCD1

RI2

GND3

D+4

D-5

VDD6

REGIN7

VBUS

8

RST

9

NC1

10

SUSPEND

11

SUSPEND

12

NC2

13

NC3

14

NC415NC516NC617NC718NC819NC920NC1021

NC11

22

CTS

23

RTS

24

RXD

25

TXD

26

DSR

27

DTR

28

PGND

29

D28 BAT54C

1

23

D8 RED LED

R84 100K(1%)

R249 0R(1%)

R80 1K(1%)

TP6

1

R197 1K(1%)

R50

10K(1%)

C139

1uF/16V(10%)

C144

10uF/25V(20%)

SW9

SW86476

11

22

33

44

D30 BAT54C

1

23

D29 BAT54A

1

23

D24

LESD5D5.0CT1G

R81 0R(1%)

J6

Micro USB 5P Female

VBUS1

D-2

D+3

GND5NC4

GND6

GND7

GND8

GND9

C28

100uF/6.3V(20%)(NC)

R198 10K(1%)(NC)

D1 RED LED

TP5

1

R207 0R(1%)

SW3

SW86476

11

22

33

44

R79 0R(1%)

J10

A2001WR-S-2P

214

3

R182 0R(1%)

Date post:	25-Jun-2020
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sch esp32-korvo v1 1 20200319a... V1.1 #31025 - ESP32-Korvo C Thursday, March 19, 2020 1 5 5 5 4 4 3...

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