w83l517g Winbond Electronics Corp America, w83l517g Datasheet - Page 89

• Manufacturer Part Number: w83l517g
• Description: Winbond Lpc I/o For Notebook W83l517d/ W83l517d-f
• Manufacturer: Winbond Electronics Corp America

8.9.8
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 7:
Bit 6:
Bit 5:
IRM_CR
DEFAULT
VALUE
REG.
IRSL0D
Set7.Reg7 - Infrared Module Control Register (IRM_CR)
0
0
0
0
1
1
1
1
AM_FMT - Automatic Format
A write to 1 will enable automatic format IR front-end module. These bits 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.
IRSL0D - Direction of IRSL0 Pin
Select function for IRRXH or IRSL0 because they share common pin and have different
input/output direction.
AM_FMT IRX_MSL
BIT 7
0
IRX_MSL
IRX_MSL
IRSL0_D
BIT 6
0
0
1
1
0
0
1
1
0
0
1
0
1
Table: IR receiver input pin selection
IRSL0D
BIT 5
0
AUX_RX
RXINV
- 89 -
BIT 4
X
X
X
X
0
1
0
1
0
W83L517D/W83L517D-F
IRRX (Low/High Speed)
Receiver Pin selected
IRRXH (High Speed)
TXINV
BIT 3
0
HIGH SPEED IR
IRSL0 (O/P)
IRRXH (I/P)
Publication Release Date: May 23, 2005
Function
X
X
X
X
0
1
0
1
BIT 2
0
-
SELECTED IR PIN
BIT 1
0
-
Reserved
Reserved
IRRXH
IRRXH
IRRX
IRRX
IRRX
IRRX
Revision 1.0
BIT 0
0
-