FIGURE 19. R
參數(shù)資料
型號: XR16V2752IL-0B-EB
廠商: Exar Corporation
文件頁數(shù): 40/51頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR V2752 32QFN
標(biāo)準(zhǔn)包裝: 1
系列: *
XR16V2752
45
REV. 1.0.2
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
FIGURE 19. RECEIVE READY & INTERRUPT TIMING [FIFO MODE, DMA DISABLED] FOR CHANNELS A & B
FIGURE 20. RECEIVE READY & INTERRUPT TIMING [FIFO MODE, DMA ENABLED] FOR CHANNELS A & B
RX
RXRDY#
IOR#
INT
D0:D7
S
T
SSR
RXINTDMA#
RX FIFO fills up to RX
Trigger Level or RX Data
Timeout
RX FIFO drops
below RX
Trigger Level
FIFO
Empties
First Byte is
Received in
RX FIFO
D0:D7
S
D0:D7
T
D0:D7
S
D0:D7
S
T
D0:D7
S
T
D0:D7
S
T
Start
Bit
Stop
Bit
T
RR
T
RRI
T
SSI
(Reading data out
of RX FIFO)
RX
RXRDY#
IOR#
INT
D0:D7
S
T
SSR
RXFIFODMA
RX FIFO fills up to RX
Trigger Level or RX Data
Timeout
RX FIFO drops
below RX
Trigger Level
FIFO
Empties
D0:D7
S
D0:D7
T
D0:D7
S
D0:D7
S
T
D0:D7
S
T
D0:D7
S
T
Start
Bit
Stop
Bit
T
RR
T
RRI
T
SSI
(Reading data out
of RX FIFO)
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