American Dynamics PMC-4U-CACI - Manual (Page 23)

Hardware and Software Design • Manufacturing Services
P a g e 23
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 I NPUT1 INPUT2
U_TxA+ PIN-11 PIN-2 PIN-3
U_TxA- PIN-45 PIN-36 PIN-37
U_TxB+ PIN-12 PIN-4 PIN-5
U_TxB- PIN-46 PIN-38 PIN-39
U_TxC+ PIN-13 PIN-6 PIN-7
U_TxC- PIN-47 PIN-40 PIN-41
U_TxD+ PIN-14 PIN-8 PIN-9
U_TxD- PIN-48 PIN-42 PIN-43
U_TxA PIN-54 PIN-20
U_TxB PIN-55 PIN-21
U_TxC1 PIN-56 PIN-22
U_TxC2 PIN-60 PIN-24 PIN-25
U_TxD1 PIN-57 PIN-23
U_TxD2 PIN-61 PIN-26 PIN-27
S_TxA PIN-58 PIN-29
S_TCA PIN-59 PIN-30
S_TxB1+ PIN-18 PIN-16
S_TxB1- PIN-52 PIN-50
S_TxB2+ PIN-17 PIN-15
S_TxB2- PIN-51 PIN-49