w83977ag Winbond Electronics Corp America, w83977ag Datasheet - Page 78
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w83977ag
Manufacturer Part Number
w83977ag
Description
W83977f With 3rd Uart For Ir, Pb-free
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977AG.pdf
(182 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
w83977ag-A
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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Receiver Frame Length FIFO (RFLFL/RFLFH):
These are combined to be a 13-bit register. Reading these registers returns received byte count for
the frame. When read, the register of RFLFH will pop-up another frame status and frame length if
FSFDR=1 (Set5.Reg4.Bit7).
Lost Frame Number (LST_NU):
When LST_FR=1 (Set5.Reg4.Bit6), Reg6 stands for LST_NU which is a 8-bit register holding the
number of frames lost in succession.
7.8
7.8.1
This register controls ASK-IR, MIR, FIR operations.
Bit 7:
Bit 6:
IR_CFG2
REG.
Reset
Value
ADDRESS OFFSET
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
Set6 - IR Physical Layer Control Registers
Set6.Reg0 - Infrared Configure Register 2 (IR_CFG2)
SHMD_N - ASK-IR Modulation Disable
SHDM_N - ASK-IR Demodulation Disable
SHMD_N
0
1
2
3
4
5
6
7
BIT 7
0
SHDM_N
BIT 6
SHMD_N
SHDM_N
0
0
1
0
1
REGISTER NAME
Reserved
Reserved
Reserved
HIR_FNU
IR_CFG2
FIR_CRC
MIR_PW
SIR_PW
BIT 5
SSR
1
MIR_CRC
BIT 4
-70
0
IRTX modulate 500K Hz Square Wave
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
Demodulation 500K Hz
Demodulation Mode
BIT 3
Modulation Mode
0
-
Re-rout IRRX
Re-rout IRTX
REGISTER DESCRIPTION
INV_CRC
BIT 2
0
-
-
-
DIS_CRC
BIT 1
0
BIT 0
0
-
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