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32
FPGA35S6046/FPGA35S6101 User’s Manual
6.2.22
R_COM3_OUT
(R
EAD
/W
RITE
)
This register sets the configuration and outputs of CN12 RS-232/422/485 transceivers.
B0: com3_txd
B1: com3_rts
B2: com3_dtr
B8: com3_enable
B9: com3_mode0
B10: com3_mode1
B11: com3_mode2
B12: com3_dir1
B13: com3_dir2
B14: com3_slew
B15: com3_term
6.2.23
R_COM3_IN
(R
EAD
)
This register reads the inputs of CN12 RS-232/422/485 transceivers.
B0: com3_rxd
B1: com3_cts
B2: com3_dsr
B3: com3_dcd
B7: com3_ri