21.5 Control register
The watchdog timer (WDT) is controlled by two control registers WDMOD and WDCR.
21.5.1 Watchdog Timer Mode Register (WDMOD)
1. Specifying the detection time of the watchdog timer <WDTP[2:0]>.
Set the watchdog timer detecting time to WDMOD<WDTP[2:0]>. After reset, it is initialized to
WDMOD<WDTP[2:0]> = "000".
2. Enabling/disabling the watchdog timer <WDTE>.
When resetting, WDMOD <WDTE> is initialized to "1" and the watchdog timer is enabled.
To disable the watchdog timer to protect from the error writing by the malfunction, first
<WDTE> bit is set to "0", and then the disable code (0xB1) must be written to WDCR register.
To change the status of the watchdog timer from "disable" to "enable," set the <WDTE> bit to
"1".
3. Watchdog timer out reset connection <RESCR>
This register specifies whether WDTOUT is used for internal reset or interrupt. After reset,
WDMOD<RESCR> is initialized to "1", the internal reset is generated by the overflow of binary coun-
ter.
21.5.2 Watchdog Timer Control Register(WDCR)
This is a register for disabling the watchdog timer function and controlling the clearing function of the bina-
ry counter.
TMPM3V6/M3V4
21. Watchdog Timer(WDT)
21.5 Control register
Page 438
2019-02-06
Содержание TMPM3V4
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Страница 178: ...TMPM3V6 M3V4 9 Input Output port 9 2 Block Diagrams of Ports Page 156 2019 02 06 ...
Страница 206: ...TMPM3V6 M3V4 10 16 bit Timer Event Counters TMRB 10 7 Applications using the Capture Function Page 184 2019 02 06 ...
Страница 232: ...TMPM3V6 M3V4 11 Universal Asynchronous Receiver Transmitter Circuit UART 11 4 Operation Description Page 210 2019 02 06 ...
Страница 354: ...TMPM3V6 M3V4 14 Synchronous Serial Port SSP 14 6 Frame Format Page 332 2019 02 06 ...
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Страница 420: ...TMPM3V6 M3V4 16 Analog Digital Converter ADC 16 6 Timing chart of AD conversion Page 398 2019 02 06 ...
Страница 462: ...TMPM3V6 M3V4 21 Watchdog Timer WDT 21 5 Control register Page 440 2019 02 06 ...
Страница 510: ...TMPM3V6 M3V4 22 Flash Memory Operation 22 4 Programming in the User Boot Mode Page 488 2019 02 06 ...
Страница 538: ...TMPM3V6 M3V4 25 Electrical Characteristics 25 7 Recommended Oscillation Circuit Page 516 2019 02 06 ...
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