W83877ATF Datasheet, PDF (85/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
Table: IR receiver input pin selection
IRSL0D
IRX_MSL
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
AUX_RX
0
1
X
X
0
1
X
X
High Speed IR
X
X
0
1
X
X
0
1
Selected IR Pin
IRRX
IRRXH
IRRX
IRRXH
IRRX
Reserved
IRRX
Reserved
Note that (1) AUX_RX is defined in Set5.Reg4.Bit4, (2) high speed IR includes MIR (1.152M or
0.576M bps) and FIR (4M bps), (3) IRRX is the input of the low speed or high speed IR receiver,
IRRXH is the input of the high speed IR receiver.
Bit 4:
Bit 3:
Bit 2~0:
RXINV - Receiving Signal Invert
Write to 1 inverts the receiving signal.
TXINV - Transmitting Signal Invert
Write to 1 inverts the transmitting signal.
Reserved, write 0.
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Publication Release Date: April 1998
Version 0.51