W83977ATF Datasheet, PDF (72/207 Pages) Winbond – WINBOND I/O

W83977ATF
PRELIMINARY
4.2.2 Set0.Reg1 - Interrupt Control Register (ICR)
Mode
B7
B6
B5
B4
B3
B2
B1
B0
Legacy IR
0
0
0
0
0
Advanced IR ETMRI EFSFI ETXTHI EDMAI 0
EUSRI
EUSRI/
TXURI
ETBREI ERDRI
ETBREI ERBRI
The advanced IR functions including Advanced SIR/ASK-IR, MIR, FIR, or Remote IR are described
below.
Bit 7: 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.
Bit 6: 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.
Bit 5: 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.
Bit 4: 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.
Bit 3: Reserved. A read will return 0.
Bit 2: 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:
EHSRI/ETXURI - Enable USR Interrupt or Enable Transmitter Underrun Interrupt
A write to 1 will enable USR interrupt or enable transmitter underrun interrupt.
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Publication Release Date:April 1998
Revision 0.52