w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 93
w83977atf
Manufacturer Part Number
w83977atf
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977ATF.pdf
(207 pages)
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4.8 Set6 - IR Physical Layer Control Registers
This register controls ASK-IR, MIR, FIR operations.
Bit 7:
Bit 6:
Bit 5:
Bit 4:
4.8.1 Set6.Reg0 - Infrared Configure Register 2 (IR_CFG2)
IR_CFG2 SHMD_N SHDM_N FIR_CRC MIR_CRC
Reset Value
Address Offset Register Name
Reg.
0
1
2
3
4
5
6
7
SHMD_N - ASK-IR Modulation Disable
SHDM_N - ASK-IR Demodulation Disable
FIR_CRC - FIR (4M bps) CRC Type
Note that the 16/32-bit CRC are defined in IrDA 1.1 physical layer.
MIR_CRC - MIR (1.152M/0.576M bps) CRC Type
Bit 7
0
Reserved
Reserved
Reserved
HIR_FNU
IR_CFG2
MIR_PW
SIR_PW
SSR
Bit 6
MIR_CRC
FIR_CRC
SHMD_N
SHDM_N
0
0
1
0
1
0
1
0
1
Infrared Configure Register 2
MIR (1.152M bps or 0.576M bps) Pulse Width
SIR Pulse Width
Sets Select Register
High Speed Infrared Flag Number
Bit 5
1
Bit 4
IRTX modulate 500K Hz Square Wave
0
- 74 -
Demodulation 500K Hz
Register Description
Demodulation Mode
Bit 3
Modulation Mode
0
-
Re-rout IRTX
Re-rout IRRX
16-bit CRC
32-bit CRC
16-bit CRC
32-bit CRC
CRC Type
CRC Type
Publication Release Date:April 1998
-
-
-
INV_CRC DIS_CRC
Bit 2
0
W83977ATF
PRELIMINARY
Bit 1
0
Revision 0.52
Bit 0
0
-
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