參數(shù)資料
型號(hào): M34507M2-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO24
封裝: 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數(shù): 56/117頁
文件大?。?/td> 937K
代理商: M34507M2-XXXFP
4507 Group
Rev.3.01
2005.02.04
page 41 of 111
REJ03B0107-0301
Fig. 37 State transition
Fig. 38 Set source and clear source of the P flag
Fig. 39 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)
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
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 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.
Operating
S
R
Q
Power down flag P
POF2
instruction
Reset input
q Set source
q Clear source
Reset input
EPOF
instruction
POF2 instruction
EPOF instruction +
+
Program start
P = “1”
?
Yes
Warm start
Cold start
No
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