W83977F-A Datasheet, PDF (80/182 Pages) Winbond – WINBOND I/O

W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
7.8.3 Set6.Reg2 - SIR Pulse Width
REG.
BIT 7
BIT 6
BIT 5
SIR_PW
-
-
-
Reset Value
0
0
0
BIT 4
S_PW4
0
BIT 3
S_PW3
0
BIT 2
S_PW2
0
BIT 1
S_PW1
0
BIT 0
S_PW0
0
This 5-bit register sets SIR output pulse width.
S_PW4~0
00000
01101
Others
SIR OUTPUT PULSE WIDTH
3/16 bit time of IR
1.6 us
1.6 us
7.8.4 Set6.Reg3 - Set Select Register
Select Register Set by writing a set number to this register. Reading this register returns F0H.
REG.
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
SSR
Default Value
SSR7
1
SSR6
1
SSR5
1
SSR4
1
SSR3
0
SSR2
0
SRR1
0
SRR0
0
7.8.5 Set6.Reg4 - High Speed Infrared Beginning Flag Number (HIR_FNU)
REG.
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
HIR_FNU
Reset Value
M_FG3
0
M_FG2
0
M_FG1
1
M_FG0
0
F_FL3
1
F_FL2
0
F_FL1
1
BIT 0
F_FL0
0
Bit 7~4:
M_FG3~0 - MIR beginning Flag Number
These bits define the number of transmitter Start Flag of MIR. Note that the number of
MIR start flag should be equal or more than two which is defined in IrDA 1.1 physical
layer. The default value is 2.
M_FG3~0
0000
0001
0010
0011
0100
0101
0110
0111
BEGINNING FLAG NUMBER
Reserved
1
2 (Default)
3
4
5
6
8
M_FG3~0
1000
1001
1010
1011
1100
1101
1110
1111
BEGINNING FLAG NUMBER
10
12
16
20
24
28
32
Reserved
-72