參數(shù)資料
型號(hào): M37471M8-XXXSP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁(yè)數(shù): 28/49頁(yè)
文件大小: 601K
代理商: M37471M8-XXXSP
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(XIN) oscillation
f(XCIN) stop
φ stop
Timer operation
STP instruction
Interrupt (Note 1)
CM4 = 0
CM5 = 0
CM6 = 0
CM7 = 0
Reset
WIT instruction
Interrupt
f(XIN) oscillation
f(XCIN) stop
P50, P51 input
φ = f(XIN)/2
f(XIN) stop
f(XCIN) stop
φ stop
f(XIN) oscillation
f(XCIN) oscillation
φ stop
Timer operation
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
f(XIN) oscillation
f(XCIN) oscillation
φ = f(XIN)/2
f(XIN) stop
f(XCIN) stop
φ stop
CM4 = 0
CM5 = 1
CM4 = 1
(Note 2)
f(XIN) oscillation
f(XCIN) oscillation
φ stop
Timer operation
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
f(XIN) oscillation
f(XCIN) oscillation
φ = f(XCIN)/2
f(XIN) stop
f(XCIN) stop
φ stop
CM7 = 0
(CM5 = 0)
CM7 = 1
f(XIN) stop
f(XCIN) oscillation
φ stop
Timer operation
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
f(XIN) stop
f(XCIN) oscillation
φ = f(XCIN)/2
f(XIN) stop
f(XCIN) stop
φ stop
CM6 = 0
(Note 2)
CM6 = 1
CM5 = 1
CM5 = 1
Fig. 27 Transition of states for the system clock
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