System on Module V2.0 Pinout

Following Figure 2 shows the Intelligent RJ45 Module in SoM_IoT_2V0 variant at bottom side. There are five 9 pin multipoint connectors readily identifiable.

 

Figure 2: Bottom view SoM_IoT_2V0

 

Connector

Pin

Signal

Function

J202

(blue)

1

VCC33

3.3V DC Power supply

2

GND

3

SPI_CS0

Serial Peripheral Interface 0 (Clocked Serial Interface H / CSIH0)

see also User’s Manual R18UZ0007EJ1100 chapter 17

4

SoM_RESET

5

SPI_MISO0

6

SPI_MOSI0

7

SPI_SCK0

8

CATSYNC0

EtherCAT SYNC

see also User’s Manual R18UZ0007EJ1100 section 7.1.1

9

CATSYNC1

J302

(orange)

10

P1ACT

Ethernet Port 1 Indicator signals for connection with LED cathode (Link/Activity)

11

P1LINK

12

P0ACT

Ethernet Port 0 Indicator signals for connection with LED cathode (Link/Activity)

13

P0LINK

14

VCC33

Optional 3.3V DC connection

15

GPIO0

Port 5 Pin P53 see also User’s Manual R18UZ0003EJ0401 section 2.1.5

16

GPIO1

Port 5 Pin P54 see also User’s Manual R18UZ0003EJ0401 section 2.1.5

17

GPIO2

Port 5 Pin P55 see also User’s Manual R18UZ0003EJ0401 section 2.1.5

18

GPIO3

Port 5 Pin P56 see also User’s Manual R18UZ0003EJ0401 section 2.1.5

J304

(green)

19

TAUJ2_CH0

Timer Array Unit (TAUJ2) see also User’s Manual R18UZ0007EJ1100 chapter 14

 

20

TAUJ2_CH1

21

TAUJ2_CH2

22

GND

Ground (optional)

23

SPI_RST1

Serial Peripheral Interface 1 (Clocked Serial Interface H / CSIH1)

see also User’s Manual R18UZ0007EJ1100 chapter 17

24

SPI_SCK1

25

SPI_MOSI1

26

SPI_MISO1

27

SPI_CS1

J303

(purple)

28

I2C_SDA1

I2C BUS (IICB1)

see also User’s Manual R18UZ0007EJ1100 chapter 18

29

I2C_SCL1

30

UART_RXD0

Asynchronous Serial Interface 0 (UARTJ0)

see also User’s Manual R18UZ0007EJ1100 chapter 16

31

UART_TXD0

32

UART_RTS0

33

GND

Ground (optional)

34

UART_RXD1

Asynchronous Serial Interface 1 (UARTJ1)

see also User’s Manual R18UZ0007EJ1100 chapter 16

35

UART_TXD1

36

UART_RTS1

J301

(yellow)

37

RX0_N

Ethernet Port 0 Differential Pairs

38

RX0_P

39

TX0_N

40

TX0_P

41

SHIELD

Virtual ground for SHIELD connection only

42

RX1_N

Ethernet Port 1 Differential Pairs

43

RX1_P

44

TX1_N

45

TX1_P