參數(shù)資料
型號(hào): SCN2681TC1N40
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 微控制器/微處理器
英文描述: Dual asynchronous receiver/transmitter DUART
中文描述: 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP40
封裝: 0.600 INCH, PLASTIC, DIP-40
文件頁(yè)數(shù): 10/14頁(yè)
文件大?。?/td> 114K
代理商: SCN2681TC1N40
Philips Semiconductors
Product specification
SCN2681T
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
10
t
RXS
RxC
(1X INPUT)
RxD
t
RXH
SD00104
Figure 9. Receive
SYMBOL
PARAMETER
LIMITS
UNIT
Min
Max
t
RXS
t
RXH
RxD data setup time before RxC high at external clock input on IP pin
RxD data hold time after RxC high at external clock input on IP pin
200
25
ns
ns
TRANSMITTER
ENABLED
TxD
D1
D2
D3
D4
D6
BREAK
TxRDY
(SR2)
WRN
D1
D2
D3
D4
D6
START
BREAK
STOP
BREAK
D5 WILL
NOT BE
TRANSMITTED
CTSN
1
(IP0)
RTSN
2
(OP0)
OPR(0) = 1
OPR(0) = 1
NOTES:
1. Timing shown for MR2(4) = 1.
2. Timing shown for MR2(5) = 1.
SD00094
Figure 10. Transmitter Timing
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