參數(shù)資料
型號(hào)： M34501E4FP
元件分類： 微控制器/微處理器
英文描述： 4-BIT, OTPROM, MICROCONTROLLER, PDSO20
封裝： 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件頁(yè)數(shù)： 55/116頁(yè)
文件大小： 859K
代理商： M34501E4FP
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4501 Group
Rev.3.01
2005.02.07
page 43 of 112
REJ03B0104-0301
Fig. 39 State transition
Fig. 40 Set source and clear source of the P flag
Fig. 41 Start condition identified example using the SNZP in-
struction
Reset
(Stabilizing
time a )
B
Operation source clock:
ceramic resonator
On-chip oscillator: stop
RC oscillation circuit: stop
A
Operation source clock:
on-chip oscillator clock
Ceramic resonator:
operating (Note 2)
RC oscillation circuit: stop
C
Operation source clock:
RC oscillation
On-chip oscillator: stop
Ceramic resonator: stop
CMCK instruction
execution (Note 3)
CRCK instruction
execution (Note 3)
Voltage drop
detected
Key-on wakeup
(Stabilizing time b )
POF instruction execution
D
RAM back-up
(Voltage drop detection
circuit is operating.)
Operation source clock: stop
Key-on wakeup
(Stabilizing time c )
POF instruction execution
Key-on wakeup
(Stabilizing time b )
POF2 instruction execution
Key-on wakeup
(Stabilizing time c )
POF2 instruction execution
E
RAM back-up
(All functions of
microcomputer stop)
Operation source clock: stop
POF instruction execution
Key-on wakeup
(Stabilizing time a )
POF2 instruction execution
Stabilizing time a : Microcomputer starts its operation after counting the on-chip oscillator clock 5359 times by hardware.
Stabilizing time b : Microcomputer starts its operation after counting the f(XIN) 5359 times by hardware.
Stabilizing time c : Microcomputer starts its operation after counting the f(XIN) 165 times by hardware.
Notes 1: Continuous execution of the EPOF instruction and the POF or POF2 instruction is required to go into
the RAM back-up state.
2: Through the ceramic resonator is operating, the on-chip oscillator clock is selected as the operation source clock.
3: The oscillator clock corresponding to each instruction is selected as the operation source clock,
and the on-chip oscillator is stopped.
(Stabilizing time a )
Operating
S
R
Q
Power down flag P
POF or
POF2
instruction
Reset input
q Set source
q Clear source
Reset input
EPOF instruction +
POF or
POF2
instruction
EPOF instruction +
Program start
P = “1”
?
Yes
Warm start
Cold start
No
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M34501M2 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34501M2-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34501M4 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34501M4-XXXFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34502E4 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
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