w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 82

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

Bit 3:
Bit 2:
Bit 1~0:
4.3.9.3 Set7.Reg3 - Sets Select Register (SSR)
Reading this register returns F4
4.3.9.4 Set7.Reg4 - Infrared Module (Front End) Select 1 (IRM_SL1)
default Value
default Value
IRM_SL1
Reg.
Reg.
SSR
TX_CFS - Transmitter Carry Frequency Select.
Sets low speed or high speed transmitter carry frequency.
RX_DM - Receiver Demodulation mode.
TX_MM1~0 - Transmitter Modulation mode 1~0
IR_MSP
Bit 7
Bit 7
Bit 7
TX_MM1~0
1
0
00
01
10
11
SIR_SL2 SIR_SL1 SIR_SL0
Bit 6
Bit 6
Bit 6
TX_FCS
RX_DM
1
0
0
1
0
1
16
. A write to this register causes switch to other Set.
Bit 5
Bit 5
Bit 5
1
0
8 pulses for logic 0 and no pulse for logic 1.
6 pulses for logic 0 and no pulse for logic 1
Continuously sends pulse for logic 0
Bit 4
Bit 4
Bit 4
- 78 -
1
0
TX Modulation Mode
Disables internal decoder
Enables internal decoder
Selected Frequency
Demodulation Mode
Reserved.
400K ~ 480K Hz
30K ~ 56K Hz
Bit 3
Bit 3
Bit 3
0
0
-
Publication Release Date: April 1998
AIR_SL2 AIR_SL1 AIR_SL0
Bit 2
Bit 2
Bit 2
1
0
W83877ATF
Bit 1
Bit 1
Bit 1
0
0
Version 0.51
Bit 0
Bit 0
Bit 0
0
0