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参数资料
| 型号： | M34513M8-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP32 |
| 封装： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件页数： | 51/96页 |
| 文件大小： | 1078K |
| 代理商： | M34513M8-XXXFP |
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55
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
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
MR3
MR2
MR1
MR0
Clock control register MR
f(XIN) (high-speed mode)
f(XIN)/2 (middle-speed mode)
This bit has no function, but read/write is enabled.
System clock selection bit
Not used
at reset : 10002
at RAM back-up : 10002
0
1
0
1
0
1
0
1
R/W
Instruction clock
MR3
1
0
RESET
Falling detected
Ports P00, P01
Ports P02, P03
Ports P10, P11
Ports P12, P13
Multi-
plexer
K00,K01,K02,K03
Counter
Wait time (Note)
control circuit
Software
start signal
R
S
Q
POF instruction
XIN
XOUT
I12
0
“L” level
1
P30/INT0
Key-on wake up control register
I22
0
1
P31/INT1
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(XIN) oscillation.
System clock
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M34513T-PTCA | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Converter for Connecting 32-pin 1.778mm-pitch SDIP (for 4500 Series) |
| M34513T-PTCB | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Converter for Connecting 32-pin 1.778mm-pitch SDIP to 40-core narrow-pitch(for 4500 Series) |
| M34513T-PTCC | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Converter for Connecting 40-core narrow-pitch to 32-pin 0.8mm-pitch LQFP(for 4500 Series) |
| M34514E8 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34514E8FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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