FIGURE 19. R<" />
參數(shù)資料
型號(hào): XR19L222IL64-0B-EB
廠商: Exar Corporation
文件頁(yè)數(shù): 43/53頁(yè)
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR19L202 64QFN
標(biāo)準(zhǔn)包裝: 1
系列: *
XR19L222
48
TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
REV. 1.0.1
FIGURE 19. RECEIVE READY INTERRUPT TIMING [NON-FIFO MODE]
FIGURE 20. TRANSMIT READY INTERRUPT TIMING [NON-FIFO MODE]
RX
INT
D0:D7
Start
Bit
D0:D7
Stop
Bit
D0:D7
1 Byte
in RHR
1 Byte
in RHR
1 Byte
in RHR
RXNFM
T
SSR
T
SSR
T
SSR
IOR#
T
RR
T
RR
T
RR
(Reading data
out of RHR)
TX
INT*
D0:D7
Start
Bit
D0:D7
Stop
Bit
D0:D7
TXNonFIFO
T
WRI
T
WRI
T
WRI
T
SRT
T
SRT
T
SRT
*INT is cleared when the ISR is read or when data is loaded into the THR.
ISR is read
(Unloading)
IER[1]
enabled
IOW#
(Loading data
into THR)
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