參數(shù)資料
型號(hào): ST16C1550CJ28
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: 2.97V TO 5.5V UART WITH 16-BYTE FIFO
中文描述: 1 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQCC28
封裝: PLASTIC, LCC-28
文件頁(yè)數(shù): 31/37頁(yè)
文件大?。?/td> 428K
代理商: ST16C1550CJ28
á
REV. 4.2.0
ST16C1550/51
2.97V TO 5.5V UART WITH 16-BYTE FIFO
31
F
IGURE
16. T
RANSMIT
R
EADY
& I
NTERRUPT
T
IMING
[FIFO M
ODE
, DMA M
ODE
D
ISABLED
]
F
IGURE
17. T
RANSMIT
R
EADY
& I
NTERRUPT
T
IMING
[FIFO M
ODE
, DMA M
ODE
E
NABLED
]
TX
TXRDY
(ISR bit-4)
IOW#
(Loading data
into FIFO)
INT*
TXDMA#
D0:D7
S
D0:D7
T
D0:D7
S
D0:D7
S
T
D0:D7
S
T
T
D0:D7
S
T
Start
Bit
Stop
Bit
Last Data Byte
Transmitted
TX FIFO drops
below trigger level
Data in
TX FIFO
TX FIFO
Empty
T
WT
T
SRT
TX FIFO
Empty
T
T
S
T
SI
INT Cleared*
*INT is cleared when the ISR is read and IER[1] is disabled.
TX FIFO above trigger
level and IER[1] enabled.
TX
TXRDY
(ISR bit-4)
IOW#
(Loading data
into FIFO)
INT*
D0:D7
S
TXDMA
D0:D7
S
D0:D7
T
D0:D7
S
D0:D7
S
T
D0:D7
S
T
T
D0:D7
S
T
Start
Bit
Stop
Bit
T
Last Data Byte
Transmitted
TX FIFO drops
below trigger level
At least 1
empty location
in FIFO
T
SRT
TX FIFO
Full
T
WT
T
SI
INT cleared*
*INT cleared when the ISR is read and IER[1] is disabled.
TX FIFO above trigger
level and IER[1] enabled.
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