M30620FCAFP datasheet(351/615 Pages) RENESAS

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M30620FCAFP 数据表(PDF) 351 Page - Renesas Technology Corp

部件名	M30620FCAFP

功能描述	16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

PDF	615 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

标志

351 / 615 page

Timer A

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-34

2.2.13 Precautions for Timer A (timer mode)

Figure 2.2.28. Reading timer Ai register

(1) To clear reset, the count start flag is set to “0”. Set a value in the timer Ai register, then set the

flag to “1”.

(2) Reading the timer Ai register while a count is in progress allows reading, with arbitrary timing,

the value of the counter. Reading the timer Ai register with the reload timing shown in Figure

2.2.28 gets “FFFF16”. Reading the timer Ai register after setting a value in the timer Ai regis-

ter with a count halted but before the counter starts counting gets a proper value.

n – 1

Counter value (Hex.)

FFFF

n – 1

Read value (Hex.)

Reload

Time

n = reload register content

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