參數(shù)資料
型號(hào): mPD789324
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 44/96頁
文件大?。?/td> 482K
代理商: MPD789324
Preliminary Product Information U14673EJ1V0PM00
44
μ
PD789322,789324,789326,789327
5.5 Watchdog Timer
5.5.1 Watchdog timer functions
The watchdog timer has the following functions.
(1) Watchdog timer
The watchdog timer is used to detect a program runaway. If a runaway is detected, either a non-maskable
interrupt or the RESET signal can be generated.
(2) Interval timer
The interval timer is used to generate interrupts at preset intervals.
5.5.2 Watchdog timer configuration
The watchdog timer consists of the following hardware.
Table 5-9. Watchdog Timer Configuration
Item
Configuration
Control register
Watchdog timer mode register (WDTM)
Figure 5-20. Watchdog Timer Block Diagram
Internal bus
Internal bus
7-bit counter
C
Clear
WDTIF
WDTMK
Watchdog timer mode register
(WDTM)
WDTM4 WDTM3
INTWDT
maskable
interrupt request
RESET
INTWDT
non-maskable
interrupt request
f
X
2
4
RUN
相關(guān)PDF資料
PDF描述
mPD789326 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
MPL135 Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise
MPL135-0R4 Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise
MPL135-1R0 Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise
MPL135-1R5 Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise
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