參數(shù)資料
型號(hào): M37902FGCHP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 26 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 128/143頁
文件大?。?/td> 1148K
代理商: M37902FGCHP
85
M37902FCCHP, M37902FGCHP, M37902FJCHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
How to disable watchdog timer
When not using the watchdog timer, it can be disabled. When the
watchdog timer is disabled, it’s operation stops and no watchdog
timer interrupt has been generated.
Setting for disabling the watchdog timer is possible by writing “7916
and “5016” to the particular function select register 2 (address 6416)
sequentially with the following instructions:
MOVMB/STAB instruction, or
MOVM/STA instruction (m = 1)
If any method other than above has been adopted in order to access
(in other words, read/write) the particular function select register 2,
the watchdog timer will not be disabled until reset operation is per-
formed. (Also, reset is the only one method to remove the setting for
disabling the watchdog timer.)
Moreover, this setting for disabling the watchdog timer is ignored at
return from the STP mode, and the watchdog timer operates. (For
details, refer to the section on the standby function.)
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參數(shù)描述
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