參數(shù)資料
型號(hào)： M37470M8-421SP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù)： 31/46頁(yè)
文件大?。?/td> 646K
代理商： M37470M8-421SP
31
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Notes 1 :
Latency time is automatically generated upon release from the STP instruction due to the connections of timer 3
and 4.
2 :
When the system clock is switched over by restarting clock oscillation, a certain wait time required for oscillation
to stabilize must be inserted by the program.
f(X
IN
) oscillation
f(X
CIN
) stop
φ
stop
Timer operation
STP instruction
Interrupt (Note 1)
CM
4
= 0
CM
5
= 0
CM
6
= 0
CM
7
= 0
Reset
WIT instruction
Interrupt
f(X
IN
) oscillation
f(X
CIN
) stop
P5
0
, P5
1
input
φ
= f(X
IN
)/2
f(X
IN
) stop
f(X
CIN
) stop
φ
stop
f(X
IN
) oscillation
f(X
CIN
) oscillation
φ
stop
Timer operation
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
f(X
IN
) oscillation
f(X
CIN
) oscillation
φ
= f(X
IN
)/2
f(X
IN
) stop
f(X
CIN
) stop
φ
stop
CM
4
= 0
CM
5
= 1
CM
4
= 1
(Note 2)
f(X
IN
) oscillation
f(X
CIN
) oscillation
φ
stop
Timer operation
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
f(X
IN
) oscillation
f(X
CIN
) oscillation
φ
= f(X
CIN
)/2
f(X
IN
) stop
f(X
CIN
) stop
φ
stop
CM
7
= 0
(CM
5
= 0)
CM
7
= 1
f(X
IN
) stop
f(X
CIN
) oscillation
φ
stop
Timer operation
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
f(X
IN
) stop
f(X
CIN
) oscillation
φ
= f(X
CIN
)/2
f(X
IN
) stop
f(X
CIN
) stop
φ
stop
CM
6
= 0
(Note 2)
CM
6
= 1
CM
5
= 1
CM5 = 1
Fig. 27 Transition of states for the system clock
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