w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 80

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

Table: SHARP ASK-IR receiver frequency range select.
Note that the other non-defined values are reserved.
4.3.9.1 Set7.Reg1 - Remote Infrared Transmitter Control (RIR_TXC)
This Register defines the transmitter frequency and pulse width of remote IR.
Bit 7~5:
Note that the other non-defined TX_PW are reserved.
Bit 4~0:
Table: Low frequency selected.
Note that the other non-defined TX_FSL4~0 are reserved.
default Value
RX_FR2~
RIR_TXC TX_PW2 TX_PW1 TX_PW0 TX_FSL4 TX_FSL3 TX_FSL2 TX_FSL1 TX_FSL0
Reg.
0
-
TX_FSL4~0
TX_PW2~0
00011
00100
11101
480.0* 533.3* 457.1 564.7
TX_PW2~0 - Transmitter Pulse Width 2~ 0.
Selects the transmission pulse width.
TX_FSL4~0 - Transmitter Frequency Select 4~0.
Selects the transmission frequency.
...
Bit 7
010
011
100
101
0
001
Bit 6
1
010
Low Frequency
RX_FSL4~0 (SHARP ASK-IR)
Bit 5
1
Low Frequency
31K HZ
30K Hz
56K Hz
436.4
...
10.6
6
7
9
011
Bit 4
- 76 -
600.0
0
s
s
s
s
417.4 640.0 400.0
Bit 3
1
100
Publication Release Date: April 1998
Bit 2
High Frequency
0
0.7
0.8
0.9
1.0
101
685.6
W83877ATF
Bit 1
s
s
s
s
0
384.0
Version 0.51
110
Bit 0
738.5
1