W83977F-A Datasheet, PDF (58/182 Pages) Winbond – WINBOND I/O

W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
7.2.2 Set0.Reg1 - Interrupt Control Register (ICR)
MODE
B7
B6
B5
B4
B3
B2
B1
B0
Legacy IR
Advanced IR
0
ETMRI
0
EFSFI
0
ETXTHI
0
EDMAI
0
EUSRI
ETBREI ERDRI
0 EUSRI/ TXURI ETBREI ERBRI
The advanced IR functions including Advanced SIR/ASK-IR, MIR, FIR, or Remote IR are described as
follows.
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bit 3:
Bit 2:
Legacy IR Mode:
Not used. A read will return 0.
Advanced IR Mode:
ETMRI - Enable Timer Interrupt
A write to 1 will enable timer interrupt.
Legacy IR Mode:
Not used. A read will return 0.
MIR, FIR mode:
EFSFI - Enable Frame Status FIFO Interrupt
A write to 1 will enable frame status FIFO interrupt.
Advanced SIR/ASK-IR, Remote IR:
Not used.
Legacy IR Mode:
Not used. A read will return 0.
Advanced SIR/ASK-IR, MIR, FIR, Remote IR:
ETXTHI - Enable Transmitter Threshold Interrupt
A write to 1 will enable transmitter threshold interrupt.
Legacy IR Mode:
Not used. A read will return 0.
MIR, FIR, Remote IR:
EDMAI - Enable DMA Interrupt.
A write to 1 will enable DMA interrupt.
Reserved. A read will return 0.
Legacy IR Mode:
EUSRI - Enable USR (IR Status Register) Interrupt
A write to 1 will enable IR status register interrupt.
Advanced SIR/ASK-IR:
EUSRI - Enable USR (IR Status Register) Interrupt
A write to 1 will enable IR status register interrupt.
MIR, FIR, Remote Controller:
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