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參數(shù)資料
| 型號： | M34570EDFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDSO36 |
| 封裝： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-36 |
| 文件頁數(shù)： | 31/69頁 |
| 文件大?。?/td> | 687K |
| 代理商： | M34570EDFP |
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34
MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
CLOCK CONTROL
The clock control circuit consists of the following circuits.
q Clock generating circuit
q Control circuit to stop the clock oscillation
q System clock selection circuit
q Instruction clock generating circuit
q Control circuit to return from the RAM back-up mode
Fig. 32 Clock control circuit structure
Fig. 33 Ceramic resonator external circuit
Clock signal f(XIN) is obtained by externally connecting a ceramic
resonator. Connect this external circuit to pins XIN and XOUT at
the shortest distance. A feedback resistor is built-in between pins
XIN and XOUT.
ROM ORDERING METHOD
Please submit the information described below when ordering
Mask ROM.
(1) M34570M4-XXXFP Mask ROM Order Confirmation Form,
M34570M8-XXXFP Mask ROM Order Confirmation Form, or
M34570MD-XXXFP Mask ROM Order Confirmation Form
.............................................................................................. 1
(2) Data to be written into mask ROM .......................... EPROM
(three sets containing the identical data)
(3) Mark Specification Form .................................................... 1
The wait time control circuit is automatically used to generate the time required to stabilize the
f(XIN) oscillation.
Internal clock
generating circuit
(devided by 3)
Insturuction clock
I12
“H” level
0
“L” level
1
MR3
1
0
RESET
Falling detected
Port P40
Multi-
plexer
K00,K01,K02,K03
Counter
Wait time control
circuit (Note)
Software
start signal
Frequency dividing
circuit
(divided by 4)
R
S
Q
POF instruction
XIN
XOUT
P21/INT
Oscillation
circuit
Key-on wakeup control register
Ports P0, P1
Port P41
Port P42
Port P43
System clock
Note:
M34570
XIN
XOUT
Rd
CIN
COUT
Externally connect a
damping resistor Rd
depending on the
oscillation frequency.
(A feedback resistor is
built-in.)
Use the resonator
manufacturer’s
recommended value
because constants such
as capacitance depend
on the resonator.
Note:
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M34570M4-XXXFP | 4-BIT, MROM, 2 MHz, MICROCONTROLLER, PDSO36 |
| M34570M8-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO36 |
| M34570EDFP | 4-BIT, OTPROM, MICROCONTROLLER, PDSO36 |
| M34584EDFP | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO42 |
| M34584MD-XXXFP | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO42 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M34570M4 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-081FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-202FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-214FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-227FP | 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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