Connectors; Can Bus Connector; Rs232 Serial Data Connector - ST STR730-EVAL User Manual

Connectors

3 Connectors
3.1

CAN bus connector

Figure 7.
Table 6.
Pin
1
2
3
3.2

RS232 serial data connector

9-pin general purpose D-type male connectors.
Figure 8.
Table 7.
Pin Description
1 Shorted to pin 4 and 6
2 R1IN (port A), R2IN (port B)
3 T1OUT (port A), T2OUT (port B) 6
14/29
CAN connector 9 pin male D-type: CN4
CAN connector pinout: CN4
Description
Not connected
CAN L, low side bus output 5
Ground
RS232 transmit and receive connectors: CN2, CN3
RS232 - Data A
1
2 3 4
6 7 8 9
RS232 connector pinout: CN2, CN3
CAN - data
1
2 3 4
6 7 8 9
Pin Description
4 Not connected 7
Not connected 8
6 Ground
5
Pin Description
4 Shorted to pin 1 and 6
5 Ground
Shorted to pin 1 and 4
5
Pin Description
CAN H, high side bus output
Pull down to ground
9 Pull up to +5 V
RS232 - Data B
1
2 3 4
6 7 8 9
Pin
7
8
9
UM0559
5
Description
Shorted to pin 8
Shorted to pin 7
Not connected