TMP93CS41 datasheet(23/248 Pages) TOSHIBA

部件名	TMP93CS41

功能描述	CMOS 16-Bit Microcontroller

PDF	248 Pages

Scroll/Zoom	100%

制造商	TOSHIBA [Toshiba Semiconductor]

网页	http://www.semicon.toshiba.co.jp/eng

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23 / 248 page

TMP93CS40/TMP93CS41

2004-02-10

93CS40-21

Clock setting example 2:

Changing from low frequency (fs) to high frequency (fc).

SYSCR0

EQU

006EH

SYSCR1

EQU

006FH

WDCR

EQU

005DH

WDMOD

EQU

005CH

RES

7, (WDMOD)

;

(WDCR), B1H

;

RES

4, (WDMOD)

; Sets warm-up time to 2

14/fc.

SET

7, (SYSCR0)

; Enables high-frequency oscillation (fc).

SET

2, (SYSCR0)

; Clears and starts warm-up timer.

WUP:

BIT

2, (SYSCR0)

;

NZ, WUP

;

RES

3, (SYSCR1)

; Changes fSYS from fs to fc.

RES

6, (SYSCR0)

; Disables low-frequency oscillation.

SET

7, (WDMOD)

; Enables watchdog timer.

Disables watchdog timer.

Detects stopping of the warm-up timer.

Counts up by fc

Counts up by fSYS

<XEN>

X1 and X2 pins

XT1 and XT2 pins

<XTEN>

Warm-up timer

Stopping of warm-up timer

<SYSCK>

System clock fSYS

Enables

high frequency

Clears and starts

warm-up timer

Stopping of

warm-up timer

Disables

low frequency

Changes fSYS

from fs to fc

TMP93CS41 数据表(PDF) 23 Page - Toshiba Semiconductor

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