W83877ATG Nuvoton Technology Corporation of America, W83877ATG Datasheet - Page 81

• Manufacturer Part Number: W83877ATG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83877ATG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Table: SHARP ASK-IR receiver frequency range select.
Note that the other non-defined values are reserved.
6.3.9.2. 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_FR2~0
RIR_TXC TX_PW2 TX_PW1 TX_PW0 TX_FSL4 TX_FSL3 TX_FSL2 TX_FSL1 TX_FSL0
REG.
-
480.0* 533.3* 457.1 564.7 436.4 600.0 417.4 640.0 400.0 685.6 384.0 738.5
TX_PW2~0
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
TX_FSL4~0
00011
00100
11101
...
BIT 6
1
010
RX_FSL4~0 (SHARP ASK-IR)
BIT 5
1
LOW FREQUENCY
011
10.6
BIT 4
- 74 -
6
7
9
0
μ s
μ s
μ s
μ s
W83877ATF/W83877ATG
BIT 3
1
100
LOW FREQUENCY
31K HZ
30K Hz
56K Hz
BIT 2
0
...
HIGH FREQUENCY
101
0.7
0.8
0.9
1.0
BIT 1
0
μ s
μ s
μ s
μ s
110
BIT 0
1