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M37271MF-252SP Datasheet(PDF) 82 Page - Mitsubishi Electric Semiconductor |
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M37271MF-252SP Datasheet(HTML) 82 Page - Mitsubishi Electric Semiconductor |
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82 / 97 page ![]() MITSUBISHI MICROCOMPUTERS M37271MF-XXXSP M37271EF-XXXSP, M37271EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 82 Fig. 95. Clock generating circuit block diagram XCIN XCOUT OSC1 oscillating mode selection bits (Notes 1, 4) Internal system clock selection bit (Notes 1, 3) Internal system clock selection bit (Notes 1, 3) Main clock (XIN–XOUT) stop bit (Notes 1, 3) R S Q STP instruction WIT instruction R S Q Reset Interrupt disable flag I Interrupt request R S Q Reset STP instruction Timing φ (Internal clock) Timer 3 count source selection bit (Notes 1, 2) “1” Timer 3 count stop bit (Notes 1, 2) Timer 4 count stop bit (Notes 1, 2) Timer 3 Timer 4 1/2 1/8 XOUT XIN “1” “0” “0” Notes 1 : The value at reset is “0.” 2 : Refer to the structure of timer mode register 2. 3 : Refer to the structure of CPU mode register (next page). 4 : Refer to the structure of clock source control register. |
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