W83877ATF Datasheet, PDF (82/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
Bit 3:
Bit 2:
Bit 1~0:
TX_CFS - Transmitter Carry Frequency Select.
Sets low speed or high speed transmitter carry frequency.
TX_FCS
Selected Frequency
0
30K ~ 56K Hz
1
400K ~ 480K Hz
RX_DM - Receiver Demodulation mode.
RX_DM
Demodulation Mode
0
Enables internal decoder
1
Disables internal decoder
TX_MM1~0 - Transmitter Modulation mode 1~0
TX_MM1~0
TX Modulation Mode
00
Continuously sends pulse for logic 0
01
8 pulses for logic 0 and no pulse for logic 1.
10
6 pulses for logic 0 and no pulse for logic 1
11
Reserved.
4.3.9.3 Set7.Reg3 - Sets Select Register (SSR)
Reg.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
SSR
default Value
Bit 7
1
Bit 6
1
Bit 5
1
Bit 4
1
Bit 3
0
Bit 2
1
Bit 1
0
Reading this register returns F416. A write to this register causes switch to other Set.
Bit 0
Bit 0
0
4.3.9.4 Set7.Reg4 - Infrared Module (Front End) Select 1 (IRM_SL1)
Reg.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IRM_SL1 IR_MSP SIR_SL2 SIR_SL1 SIR_SL0
-
AIR_SL2 AIR_SL1 AIR_SL0
default Value
0
0
0
0
0
0
0
0
- 78 -
Publication Release Date: April 1998
Version 0.51