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7477 Datasheet(PDF) 34 Page - Renesas Technology Corp

Part # 7477
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  48 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7477 Datasheet(HTML) 34 Page - Renesas Technology Corp

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MITSUBISHI MICROCOMPUTERS
7477/ 7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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. 29 Transition of states for the system clock.



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