SMH Technologies FlashRunner LAN 2.0 - Figure 12: Relay Barrier Application Note

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Block diagram of the ISP lines switching capabilities:
Figure 12: Relay Barrier Application Note
Table 8: Auxiliary Connector Pinout
Pin #
Signal Name
Description
1
AUX_A_DIO0
ISP Channel A: Digital input/output 0
2
AUX_B_VPROG0
ISP Channel B: Digital input/output Vprog0
3
AUX_A_DIO1
ISP Channel A: Digital input/output 1
4
AUX_B_VPROG1
ISP Channel B: Digital input/output VProg1
5
AUX_A_DIO2
ISP Channel A: Digital input/output 2
6
AUX_B_GND0
ISP Channel B: Digital input/output Ground 0
7
AUX_A_DIO3
ISP Channel A: Digital input/output 3
8
AUX_B_GND1
ISP Channel B: Digital input/output Ground 1
9
AUX_A_DIO4
ISP Channel A: Digital input/output 4
10
AUX_B_DIO0
ISP Channel B: Digital input/output 0
11
AUX_A_DIO5
ISP Channel A: Digital input/output 5
12
AUX_B_DIO1
ISP Channel B: Digital input/output 1
13
AUX_A_DIO6
ISP Channel A: Digital input/output 6
14
AUX_B_DIO2
ISP Channel B: Digital input/output 2
15
AUX_A_DIO7
ISP Channel A: Digital input/output 7
16
AUX_B_DIO3
ISP Channel B: Digital input/output 3
17
AUX_A_VPROG0
ISP Channel A: Digital input/output VProg0
18
AUX_B_DIO4
ISP Channel B: Digital input/output 4
19
AUX_A_VPROG1
ISP Channel A: Digital input/output VProg1
20
AUX_B_DIO5
ISP Channel B: Digital input/output 5