參數(shù)資料
型號: ST16C2552CJ44
廠商: EXAR CORP
元件分類: Serial IO/Communication Controller
英文描述: 2 CHANNEL(S), 4M bps, SERIAL COMM CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 26/38頁
文件大小: 447K
代理商: ST16C2552CJ44
ST16C2552
30
2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
REV. 4.2.1
FIGURE 16. RECEIVE READY AND INTERRUPT TIMING [NON-FIFO MODE] FOR CHANNELS A & B
FIGURE 17. TRANSMIT READY & INTERRUPT TIMING [NON-FIFO MODE] FOR CHANNELS A & B
RX
RXRDY#
IOR#
INT
D0:D7
Start
Bit
D0:D7
Stop
Bit
D0:D7
T
SSR
1 Byte
in RHR
Active
Data
Ready
Active
Data
Ready
Active
Data
Ready
1 Byte
in RHR
1 Byte
in RHR
T
SSR
T
SSR
RXNFM
T
RR
T
RR
T
RR
T
SSR
T
SSR
T
SSR
(Reading data
out of RHR)
TX
TXRDY#
IOW#
INT*
D0:D7
Start
Bit
D0:D7
Stop
Bit
D0:D7
T
WT
TXNonFIFO
T
WT
T
WT
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
(Loading data
into THR)
(Unloading)
IER[1]
enabled
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