w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 55
w83877atd
Manufacturer Part Number
w83877atd
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83877ATD.pdf
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4.3.2.2 Set0.Reg1 - Interrupt Control Register (ICR)
Where UART is used to Legacy UART, and the functions for these bits are defined in the previous
UART, the traditional SIR or ASK-IR based on the legacy UART also has the same definitions. The
advanced UART
as follows.
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bit 3:
Bit 2:
Bit 1:
Bit 0:
Advanced
UART
UART
Mode
MIR, FIR mode:
Advanced SIR/ASK-IR, Remote IR:
Advanced SIR/ASK-IR, MIR, FIR, Remote IR:
MIR, FIR, Remote IR:
Advanced UART/SIR/ASK-IR, MIR, FIR, Remote IR:
Advanced SIR/ASK-IR:
MIR, FIR, Remote Controller:
ETMRI - Enable Timer Interrupt
Write to
EFSFI - Enable Frame Status FIFO Interrupt
Write to
Not used.
ETXTHI - Enable Transmitter Threshold Interrupt
Write to
EDMAI - Enable DMA Interrupt.
Write to
EHSRI - Enable HSR (Handshake Status Register) Interrupt
Write to
Handshake Select) should be set to 1, then this bit EHSRI is effective.
EUSRI - Enable USR (UART Status Register) Interrupt
Write to
EHSRI/ETXURI - Enable USR Interrupt or Enable Transmitter Underrun Interrupt
Write to
ETBREI - Enable TBR (Transmitter Buffer Register) Empty Interrupt
Write to
ERBRI - Enable RDR (Receiver Buffer Register) Interrupt
Write to
ETMRI
B7
0
functions,
1,
1,
1,
1,
1,
1,
1,
1,
1,
enable timer interrupt.
enable frame status FIFO interrupt.
enable transmitter threshold interrupt.
enable DMA interrupt.
enable UART status register interrupt.
enable USR interrupt or enable transmitter underrun interrupt.
enable transmitter buffer register empty interrupt.
enable receiver buffer register interrupt.
enable handshake status register interrupt. Note that the bit IRHSSL (Infrared
EFSFI
B6
0
including Advanced SIR/ASK-IR, MIR, FIR, or Remote
ETXTHI
B5
0
EDMAI
- 51 -
B4
0
EHSRI
EHSRI
B3
Publication Release Date: April 1998
EUSRI/
EUSRI
TXURI
B2
W83877ATF
ETBREI
ETBREI
B1
IR,
are described
Version 0.51
ERXTHI
ERDRI
B0
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