Data Sheet

iolinker Family Data Sheet

Name Pin type Function Note

COM2 Input UART Receive Only available in iolinker

UART version

COM3 Open collector output, exter-

nal pull-up required

UART Transmit

COM1 Input SPI Clock

COM2 Input SPI MOSI Only available in iolinker SPI

version

COM3 Output SPI MISO

COM4 Input SPI Slave Select

COM1 Input I2C Clock Only available in iolinker I2C

version

COM3 Open Collector Output I2C Data

Table 19: Communication pin description

9.2 WLCSP-36

Pin Designation Note Pin Designation Note

A1 IN1 Slave address[0] LSB D1 GND –

A2 IN2 Slave address[1] D2 P5 GPIO

A3 VCCIO0 – D3 P6 GPIO

A4 IN3 Slave address[2] D4 P7 GPIO

A5 IN4 Slave address[3] D5 VCC –

A6 IN5 Slave address[4] D6 P8 GPIO

B1 IN6 Slave address[5] E1 COM4 NC

SPI SS

B2 JTAGEN Use 10k pull-down to

GND

E2 P9 GPIO

B3 CLK Optional E3 P10 GPIO

B4 IN7 Slave address[6] MSB E4 COM3 UART TX

SPI MISO

I2C Data

B5 EN Chip enable, pull low

to activate

E5 P11 GPIO

B6 INT Interrupt output E6 P12 GPIO

C1 VCC – F1 COM2 UART RX

SPI MOSI

Table 20: Pin description WLCSP-36

 2017 jInvent. The speciﬁcations and information herein are subject to change without notice.