参数资料
型号: XR17V252IM-0A-EVB
厂商: Exar Corporation
文件页数: 61/69页
文件大小: 0K
描述: EVAL BOARD FOR XR17V252 100TQFP
标准包装: 1
系列: *
XR17V252
64
66 MHZ PCI BUS DUAL UART WITH POWER MANAGEMENT SUPPORT
REV. 1.0.2
FIGURE 24. TRANSMIT DATA INTERRUPT AT TRIGGER LEVEL
FIGURE 25. RECEIVE DATA READY INTERRUPT AT TRIGGER LEVEL
STOP
BIT
PARITY
BIT
DATA BITS (5-8)
D0
D1
D2
D3
D4
D5
D6
D7
5 DATA BITS
6 DATA BITS
7 DATA BITS
START
BIT
TX Data
NEXT
DATA
START
BIT
TX Interrupt at
Transmit Trigger Level
BAUD RATE CLOCK of 16X or 8X
TXNOFIFO-1
Set at Below
Trigger Level
Clear at
Above
Trigger Level
STOP
BIT
PARITY
BIT
DATA BITS (5-8)
D0
D1
D2
D3
D4
D5
D6
D7
START
BIT
RX Data Input
First byte that
reaches the
trigger level
RX Data Ready Interrupt at
Receive Trigger Level
RXFIFO1
De-asserted at
below trigger level
Asserted at
above trigger
level
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