TMP93CS44 datasheet(189/224 Pages) TOSHIBA

Part #	TMP93CS44

Description	CMOS 16-Bit Microcontroller

PDF	224 Pages

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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189 / 224 page

TMP93CS44/S45

2004-02-10

93CS44-187

Watchdog Timer Control Register

Bit symbol

−

WDCR

(005DH)

Read/Write

After reset

−

Function

B1H: WDT disable code

4EH: WDT clear code

Note: When the watchdog timer is in operation, T45CR<QCU> is set to 0.

Figure 3.12.5 Watchdog Timer Related Register (2/2)

Table 3.12.1 Watchdog Timer Detecting Time

at fc

= 20M Hz, fs = 32.768 kHz

Watchdog Timer Detecting Time

WDMOD<WDTP1:0>

System Clock

Selection

<SYSCK>

Gear Value

<GEAR2:0>

1 (fs)

XXX

(Don’t care)

2.000 s

8.000 s

32.000 s

128.000 s

000 (fc)

3.277 ms

13.107 ms

52.429 ms

209.715 ms

001 (fc/2)

6.554 ms

26.214 ms

104.858 ms

419.430 ms

010 (fc/4)

13.107 ms

53.429 ms

209.715 ms

838.861 ms

011 (fc/8)

26.214 ms

104.858 ms

419.430 ms

1.678 s

0 (fc)

100 (fc/16)

52.429 ms

209.715 ms

838.861 ms

3.355 s

Disable/clear WDT

B1H

Disable code

4EH

Clear code

Others

Don’t care

TMP93CS44 Datasheet(PDF) 189 Page - Toshiba Semiconductor

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