American Dynamics PMC-4U-CACI user manual Loop-back

Loop-back

The Engineering kit has reference software, which includes external loop- back tests for the SCC and the UART. These tests require an external cable with the following pins connected.

SIGNAL OUTPUT INPUT1 INPUT2

U_TxA+	PIN-11
U_TxA-	PIN-45
U_TxB+	PIN-12
U_TxB-	PIN-46
U_TxC+	PIN-13
U_TxC-	PIN-47
U_TxD+	PIN-14
U_TxD-	PIN-48
U_TxA	PIN-54
U_TxB	PIN-55
U_TxC1	PIN-56
U_TxC2	PIN-60
U_TxD1	PIN-57
U_TxD2	PIN-61
S_TxA	PIN-58
S_TCA	PIN-59
S_TxB1+	PIN-18
S_TxB1-	PIN-52
S_TxB2+	PIN-17
S_TxB2-	PIN-51

PIN-2	PIN-3
PIN-36	PIN-37
PIN-4	PIN-5
PIN-38	PIN-39
PIN-6	PIN-7
PIN-40	PIN-41
PIN-8	PIN-9
PIN-42	PIN-43
PIN-20
PIN-21
PIN-22
PIN-24	PIN-25
PIN-23
PIN-26	PIN-27
PIN-29
PIN-30
PIN-16
PIN-50
PIN-15
PIN-49

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