w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 87

• Manufacturer Part Number: w83977atf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

4.5.2 Reg1 - Mapped IR Control Register (MP_UCR)
This register is read only. Reading this register returns IR Control Register value of Set 0.
4.5.3 Reg2 - Mapped IR FIFO Control Register (MP_UFR)
This register is read only. Reading this register returns IR FIFO Control Register (UFR) value of SET
0.
Reading this register returns E4H. Writing a value selects a Register Set.
4.5.4. Reg3 - Sets Select Register (SSR)
4.6 Set4 - TX/RX/Timer counter registers and IR control registers.
Default Value
Default Value
Default Value
Address Offset Register Name
Reg.
Reg.
Reg.
SSR
SSR
SSR
0
1
2
3
4
5
6
7
SSR7
SSR7
SSR7
Bit 7
Bit 7
Bit 7
0
0
1
IR_MSL
RFRLH
TFRLH
RFRLL
TFRLL
TMRH
TMRL
SSR
SSR6
SSR6
SSR6
Bit 6
Bit 6
Bit 6
0
0
1
SSR5
SSR5
SSR5
Bit 5
Bit 5
Bit 5
Timer Value Low Byte
Timer Value High Byte
Infrared Mode Select
Sets Select Register
Transmitter Frame Length Low Byte
Transmitter Frame Length High Byte
Receiver Frame Length Low Byte
Receiver Frame Length High Byte
0
0
1
SSR4
SSR4
SSR4
Bit 4
Bit 4
Bit 4
0
0
0
- 68 -
Register Description
SSR3
SSR3
SSR3
Bit 3
Bit 3
Bit 3
0
0
0
Publication Release Date:April 1998
SSR2
SSR2
SSR2
Bit 2
Bit 2
Bit 2
0
0
1
W83977ATF
PRELIMINARY
SRR1
SRR1
SRR1
Bit 1
Bit 1
Bit 1
0
0
0
Revision 0.52
SRR0
SRR0
SRR0
Bit 0
Bit 0
Bit 0
0
0
0