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33
FPGA35S6046/FPGA35S6101 User’s Manual
6.2.24
R_COM4_OUT
(R
EAD
/W
RITE
)
This register sets the configuration and outputs of CN13 RS-232/422/485 transceivers.
B0: com4_txd
B1: com4_rts
B2: com4_dtr
B8: com4_enable
B9: com4_mode0
B10: com4_mode1
B11: com4_mode2
B12: com4_dir1
B13: com4_dir2
B14: com4_slew
B15: com4_term
6.2.25
R_COM4_IN
(R
EAD
)
This register reads the inputs of CN13 RS-232/422/485 transceivers.
B0: com4_rxd
B1: com4_cts
B2: com4_dsr
B3: com4_dcd
B7: com4_ri