W83977ATF Datasheet, PDF (95/207 Pages) Winbond – WINBOND I/O

W83977ATF
PRELIMINARY
4.8.4 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
SSR7 SSR6 SSR5 SSR4 SSR3 SSR2 SRR1 SRR0
Default Value
1
1
1
1
0
0
0
0
4.8.5 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 M_FG3 M_FG2 M_FG1 M_FG0 F_FL3 F_FL2 F_FL1
Reset Value
0
0
1
0
1
0
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
Bit 3~0:
F_FG3~0 - FIR Beginning Flag Number
These bits define the number of transmitter Preamble Flag in FIR. Note that the number
of FIR start flag should be equal to sixteen which is defined in IrDA 1.1 physical layer.
The default value is 16.
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Publication Release Date:April 1998
Revision 0.52