w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 119

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

8.2.14 Configuration Register D (CR0D), default = A3H
When the device is in Extended Function mode and EFIR is 0DH, the CR0D register can be accessed
through EFDR. The bit definitions are as follows:
SIRTX1 (Bit 7): IRTX pin selection bit 1
SIRTX0 (Bit 6): IRTX pin selection bit 0
SIRRX1 (Bit 5): IRRX pin selection bit 1
SIRRX0 (Bit 4): IRRX pin selection bit 0
HDUPLX (Bit 3):
IRMODE2 (Bit 2): IR function mode selection bit 2
IRMODE1 (Bit 1): IR function mode selection bit 1
IRMODE0 (Bit 0): IR function mode selection bit 0
SIRTX1
SIRRX1
0
1
0
0
1
1
0
0
1
1
The IR function is Full Duplex.
The IR function is Half Duplex.
SIRTX0
SIRRX0
0
1
0
1
0
1
0
1
7
6
disabled
IRTX1 (pin 43)
IRTX2 (pin 95)
disabled
disabled
IRRX1 (pin 42)
IRRX2 (pin 94)
disabled
IRTX output on pin
5
IRRX input on pin
4
3
- 115 -
2
1
0
IRMODE0
IRMODE1
IRMODE2
HDUPLX
SIRRX0
SIRRX1
SIRTX0
SIRTX1
Publication Release Date: April 1998
W83877ATF
Version 0.51