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參數(shù)資料
| 型號： | 82C51A |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER |
| 中文描述： | 通用同步異步收發(fā)器 |
| 文件頁數(shù)： | 16/26頁 |
| 文件大小： | 203K |
| 代理商： | 82C51A |
16/26
Semiconductor
MSM82C51A-2RS/GS/JS
Read Control or Input Port Cycle (CPU
¨
USART)
Write Control or Output Port Cycle (CPU
USART)
Read Data Cycle (CPU
¨
USART)
t
RR
t
RD
Data Out Active
t
DF
t
AR
t
RA
t
AR
t
RA
t
RXRDY Clear
Data Float
Data Float
RD
DATA OUT (D. B.)
RXRDY
CS
C/
D
Write Data Cycle (CPU
USART)
t
TXRDY Clear
t
DW
Data Stable
t
WD
t
AW
t
WA
t
AW
t
WA
Don't Care
Don't Care
WR
DATA IN (D. B.)
TXRDY
CS
C/
D
t
WW
t
CR
t
RR
t
RD
t
AR
t
RA
t
AR
t
RA
t
DF
Data Float
Data Out Active
Data Float
DSR
.
CTS
DATA OUT
(D. B.)
RD
C/
D
CS
DTR
.
RTS
DATA IN
(D. B.)
WR
C/
D
CS
t
WW
t
DW
t
WC
t
AW
t
WA
t
AW
t
WA
Data Stable
Don't Care
Don't Care
t
WD
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