參數(shù)資料
型號(hào)： MSM82C51A-2JS
廠商： OKI ELECTRIC INDUSTRY CO LTD
元件分類： 微控制器/微處理器
英文描述： 1 CHANNEL(S), 64K bps, SERIAL COMM CONTROLLER, PQCC28
封裝： PLASTIC, QFJ-28
文件頁(yè)數(shù)： 21/26頁(yè)
文件大?。?/td> 188K
代理商： MSM82C51A-2JS
4/26
Semiconductor
MSM82C51A-2RS/GS/JS
FUNCTION
Outline
The MSM82C51A-2's functional configuration is programed by software.
Operation between the MSM82C51A-2 and a CPU is executed by program control. Table 1
shows the operation between a CPU and the device.
0
Data Bus 3-State
1
Data Bus 3-State
CS
1
C/
D
Status CPU
Control Word ¨ CPU
1
0
0
Data ¨ CPU
0
Data CPU
0
1
WR
1
0
1
1
0
RD
Table 1 Operation between MSM82C51A and CPU
It is necessary to execute a function-setting sequence after resetting the MSM82C51A-2. Fig. 1
shows the function-setting sequence.
If the function was set, the device is ready to receive a command, thus enabling the transfer of
data by setting a necessary command, reading a status and reading/writing data.
Asynchronous
External Reset
Internal Reset
Write Mode Instruction
Write First Sync
Charactor
yes
no
Single
Sync Mode
Write Second Sync
Charactor
yes
no
End of Mode Setting
Fig. 1 Function-setting Sequence (Mode Instruction Sequence)
相關(guān)PDF資料
PDF描述
MSM82C51A-2GS-K 1 CHANNEL(S), 64K bps, SERIAL COMM CONTROLLER, PDSO32
MSM82C53-2GS-K 3 TIMER(S), PROGRAMMABLE TIMER, PDSO32
MSM82C53-2RS 3 TIMER(S), PROGRAMMABLE TIMER, PDIP24
MSM82C53-2GS 3 TIMER(S), PROGRAMMABLE TIMER, PDSO32
MSM82C53-2JS 3 TIMER(S), PROGRAMMABLE TIMER, PQCC28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSM82C51A-2RS 制造商:ROHM Semiconductor 功能描述: 制造商:ROHM Semiconductor 功能描述:USART,Programmable multifunction 制造商:ROHM Semiconductor 功能描述:USART, programmable multi-function communication interface
MSM82C53-2 GS-K 制造商:ROHM Semiconductor 功能描述:
MSM82C53-2GS 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:CMOS PROGRAMMABLE INTERVAL TIMER
MSM82C53-2JS 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:CMOS PROGRAMMABLE INTERVAL TIMER
MSM82C53-2RS 制造商:ROHM Semiconductor 功能描述:
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