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7480

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

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MITSUBISHI MICROCOMPUTERS

7480/7481 GROUP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

000016

T3

T2

T1

FFFF16

TR

FFFF16+T1

T2

T3

TR

FFFF16

Input signal from

CNTR0/CNTR1 pin

CNTR CNTR

CNTR

CNTR0/CNTR1 interrupt polarity is active at rising edge.

TR : Timer interrupt request

CNTR: CNTR0/CNTR1 interrupt request

CNTR

Fig. 21 Timing diagram in pulse cycle measurement mode (at “rising edge interval” measurement)

000016

T3

T2

T1

FFFF16

TR

FFFF16+T2

T3

T1

Input signal from

CNTR0/CNTR1 pin

CNTR

CNTR

CNTR

CNTR0/CNTR1 interrupt polarity is active at rising edge, and pulse L width is measured.

TR : Timer interrupt request

CNTR : CNTR0/CNTR1 interrupt request

Fig. 22 Timing diagram in pulse width measurement mode (at “L section” measurement)

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