W83877ATF Datasheet, PDF (84/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
Bit 7:
Bit 6~4:
Bit 3:
Bit 2~0:
Reserved, write 0.
LRC_SL2~0 - Low Speed Remote IR mode select.
These bits setup the operational mode of low speed remote IR front-end module when
AM_FMT=1 and AD_MD2~0 set to Remote IR mode. These values will automatically
load to IR_SL2~0, respectively.
Reserved, write 0.
HRC_SL2~0 - High Speed Remote IR Mode Select.
These bits setup the operational mode of high speed remote IR front-end module when
AM_FMT=1 and .AD_MD2~0 set to Remote IR mode. These values will automatically
load to IR_SL2~0, respectively.
4.3.9.7 Set7.Reg7 - Infrared module Control Register (IRM_CR)
Reg.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
IRM_CR AM_FMT IRX_MSL IRSL0D
default Value
0
0
0
RXINV
0
TXINV
0
Bit 2
-
0
Bit 1
-
0
Bit 0
-
0
Bit 7:
Bit 6:
Bit 5:
AM_FMT - Automatic Format
Write to 1 enables automatic format IR front-end module. This bit will affect the output of
IR_SL2~0, which is referred by IR front-end module selection (Set7.Reg4~6)
IRX_MSL - IR Receiver module Select
Select the receiver input path from the IR front end module if IR module has a separated
high speed and low speed receiver path. If the IR module has only one receiving path,
then this bit should be set to 0.
IRX_MSL
Receiver Pin selected
0
IRRX (Low/High Speed)
1
IRRXH (High Speed)
IRSL0D - Direction of IRSL0 Pin
Select function for IRRXH or IRSL0 because they share a common pin with different
input/output direction.
IRSL0_D
Function
0
IRRXH (I/P)
1
IRSL0 (O/P)
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Publication Release Date: April 1998
Version 0.51