參數(shù)資料
型號(hào): 22505_1
英文描述: AMD Test Interface Port Board Schematics? 149KB (PDF)
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代理商: 22505_1
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serial port
16550 RS-232, xi
16-bit addressing, 2-33
8-bit addressing, 2-32
configuring for DTE, 2-9
connector pinout, 2-5
description, 2-5
I/O map
8- and 16-bit addressing, 2-6
initializing, 2-7
interrupt
transmit holding register empty, 2-8
interrupts, 2-8
modem status, 2-8
received data available, 2-8
receiver line status, 2-8
main interface connector, 2-5
operating mode, 2-7
programming, 2-7
programming information, 2-9
registers, 2-5
Divisor Latch LSB, 2-7, 2-8
Divisor Latch MSB, 2-7, 2-8
FIFO Control, 2-9
Interrupt Enable, 2-9
Interrupt Identification, 2-9
Line Control, 2-8
Line Status, 2-7, 2-9
Modem Control, 2-9
Modem Status, 2-9
Receive Buffer, 2-8
Scratch Pad, 2-9
Transmit Holding, 2-7
Transmitter Holding, 2-8
UART operation, 2-7
SERINT0, 1-7
SERINT1, 1-7
signal descriptions
main interface connector, 1-5
SLCT, 2-12
SLIN, 2-12
STR, 2-12
suggested reference material, xiii
support
third-party, iii
SW2 switch
interrupts, 2-30
SW3 switch, xii
I/O address mode, 2-31
system features and components, 2-1
T
TA1–TA19, 1-5
tables, list of, ix
TAEN, 1-6
TD0–TD7, 1-5
technical support, iii
Texas Instruments TL16C552
parallel port, 2-10
serial port, 2-5
serial port registers, 2-8
specification, xiii
timing
description, 2-34
TIPSEL, 1-5, 1-6
TL16C552,
TL16C552, xiii
TL16C552, Texas Instruments specification,
2-5, 2-10
Transmit Holding register, 2-7, 2-8
transmit holding register empty
serial port interrupt, 2-8
TRD, 1-6
TRESET, 1-7
TS2, 1-7
TWR, 1-6
See
Texas
Instruments
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