W83877ATF Datasheet, PDF (74/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
Lost Frame Number (LST_NU):
When LST_FR=1 (Set5.Reg4. Bit6), Reg6 is replaced to LST_NU, that is 8-bit register and read
RFLFH will return 0. When read the register of RFLFH will pop-up another frame status and frame
length if FSFDR=1 (Set5.Reg4.Bit7).
4.3.8 Set6 - IR Physical Layer Control Registers
Address Register Name
Offset
Register Description
0
IR_CFG2 Infrared Config Register 2
1
MIR_PW MIR (1.152M bps or 0.576M bps) Pulse Width
2
SIR_PW SIR Pulse Width
3
SSR
Sets Select Register
4
HIR_FNU High Speed Infrared Flag Number
5
Reserved
-
6
Reserved
-
7
Reserved
-
4.3.8.1 Set6.Reg0 - Infrared Config Register 2 (IR_CFG2)
This register config ASK-IR, MIR, FIR operation function.
Reg.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
IR_CFG2 SHMD_N SHDM_N FIR_CRC MIR_CRC -
Reset Value
0
0
1
0
0
Bit 2
Bit 1
INV_CRC DIS_CRC
0
0
Bit 0
-
0
Bit 7:
Bit 6:
SHMD_N - ASK-IR Modulation Disable
SHMD_N
Modulation Mode
0
SOUT modulate 500K Hz Square Wave
1
Re-rout SOUT
SHDM_N - ASK-IR Demodulation Disable
SHDM_N
Demodulation Mode
0
Demodulation 500K Hz
1
Re-rout SIN
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Publication Release Date: April 1998
Version 0.51