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參數(shù)資料
| 型號(hào)： | MSM6782-01RS |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 5/17頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | MSM6782-01RS |
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132
Semiconductor
MSM6782-01
Usage
Functional Description
Writing and reading are executed in units of 4 bits after the CE input goes high. If the CE input
goes low before 4-bit data input is complete, the 4-bit data written when the CE input goes low
is ignored. (Data written before the CE input goes low is valid)
Writing and reading are executed starting from the LSB.
(WRITE)
1) The first 4 bits that are input after the CE input goes high are specified as “3” indicating the
WRITE mode. The address to be written is set into the second 4 bits.
2) The third 4 bits are written into the previously-set address.
The following 4-bit data are sequentially written into automatically-incremented addresses.
3) The address is automatically incremented in a loop way where address F is followed by
address 0.
(READ)
1) The first 4 bits that are input after the CE input goes high are specified as “C” indicating the
READ mode.
The address to be read is set into the second 4 bits.
2) The third 4-bit data is read from the previously-set address.
The following 4-bit data are sequentially read from automatically incremented addresses.
3) The address is automatically incremented in a loop way where address F is followed by
address 0.
WRITE mode
setting code
D0
CE
CLK
I/O
D1 D2 D3 D0 D1 D2 D3
D0 D1 D2 D3
D0
Setting address
(N)
Data WRITE
address(N)
Data WRITE
address(N+1)
If a character other than “C” or “3” is specified to the mode setting code, the following data
is ignored and the DATA I/O pin keeps the input state.
READ mode
setting code
D0
CE
CLK
I/O
D1 D2 D3 D0 D1 D2 D3
D0 D1 D2 D3
D
Setting address
(N)
Data READ
address(N)
Data READ
address(N+1)
The LSI is in the output mode.
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