J2, Rs485/Can/Lin Connector; J6, Cortex-M Debug Connector - Spectrum Digital AppBox C21 User Manual

3.1.2 J2, RS485 / CAN / LIN Connector
This section describes J2, the RS485 / CAN / LIN connector. The diagram below shows the physical layout
of the J2 connector.
Pin 10, DGND
Pin 5, CAN_L
The following table shows the signals present on the J2 connector.

3.1.3 J6, Cortex-M Debug Connector

The following table shows the signals on the J6 connector.

J2, RS485/CAN/LIN Connector

(card edge view)
J2, RS-485 / CAN / LIN Connector
Pin number Signal name
1
2
3
4
5
6 VDD_5V if JP7 shorted
7
8 LIN_PWR In
9
10
J6, Cortex-M Debug Connector
Pin number
1 VDD_3V3, +3.3 volts
2
3
4 PA30_SWCLK/TCK
5
6
7
8
9
10
AppBox C21 System User's Guide
Pin 6, Pin 2,
Pin 1, RS485_A
RS485_A
RS485_B
DGND
CAN_H
CAN_L
DGND
LIN
DGND
Signal name
PA31_SWDIO
DGND
DGND
No Connect
No Connect
No Connect
DGND
RESETn
14
AppBox