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參數(shù)資料
| 型號： | M34513E4SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片4位微機(jī)的CMOS |
| 文件頁數(shù)： | 55/106頁 |
| 文件大?。?/td> | 1304K |
| 代理商： | M34513E4SP |
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55
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
CLOCK CONTROL
The clock control circuit consists of the following circuits.
System clock generating circuit
Control circuit to stop the clock oscillation
Fig. 41 Clock control circuit structure
Table 23 Clock control register MR
Note : “R” represents read enabled, and “W” represents write enabled.
Control circuit to switch the middle-speed mode and high-speed
mode
Control circuit to return from the RAM back-up state
MR
3
MR
2
MR
1
MR
0
Clock control register MR
f(X
IN
) (high-speed mode)
f(X
IN
)/2 (middle-speed mode)
This bit has no function, but read/write is enabled.
This bit has no function, but read/write is enabled.
This bit has no function, but read/write is enabled.
System clock selection bit
Not used
Not used
Not used
at reset : 1000
2
at RAM back-up : 1000
2
0
1
0
1
0
1
0
1
R/W
Instruction clock
MR
3
1
0
RESET
Key-on wake up control register
Falling detected
Ports P0
0
, P0
1
Ports P0
2
, P0
3
Ports P1
0
, P1
1
Ports P1
2
, P1
3
Multi-
plexer
K0
0
,K0
1
,K0
2
,K0
3
Counter
Wait time (Note)
control circuit
Software
start signal
R
S
Q
POF instruction
X
IN
X
OUT
I1
2
0
“L” level
1
P3
0
/INT
0
I2
2
0
1
P3
1
/INT
1
Oscillation
circuit
Division circuit
(divided by 2)
Internal clock
generation circuit
(divided by 3)
“H” level
“L” level
“H” level
Note:
The wait time control circuit is used to generate the time required to stabilize the f(X
IN
) oscillation.
System clock
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|---|---|
| M34513E8 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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| M34513M2 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34513M2-420FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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