JNX30D TECHNICAL REFERENCE MANUAL
VERSION: 1.4
Page 16 of 28
FEB 2022
Please use any Raspberry Pi hats with care and carefully check compatibility as compatibility was in
mind but cannot be guaranteed for all modules.
Output levels are 3.3V.
All GPIO signals are unidirectional (input or output).
5.17
U10 - Crypto chip
Model: ATSHA204A
Pin
Description
Socket pin
Note
1
NC
2
NC
3
NC
4
GND
5
GEN3_I2C_SDA
6
GEN3_I2C_SCL
7
NC
8
3.3V
Integrated for software protection and licensing.
Datasheet Link:
https://ww1.microchip.com/downloads/en/DeviceDoc/ATSHA204A-Data-Sheet-40002025A.pdf
5.18
LED - Eth
Shows Ethernet activity on Socket pin 194 - on[0]/off[1], default: off
At own risk resistor can be moved to control Eth-LED via socket pin 188 (link LED)