參數(shù)資料
型號(hào): MB89951PFM
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64
封裝: 0.65 MM PITCH, QFP-64
文件頁數(shù): 33/110頁
文件大?。?/td> 619K
代理商: MB89951PFM
HARDWARE CONFIGURATION
2– 14
(c) Reset
There are four types of reset depending on the source shown in Table 2–4.
Table 2–4 Sources of Reset
When the power-on reset or reset during the stop state is used, the
oscillation stabilization time is needed after the oscillator starts operating.
The time-base timer controls this stabilization time. Consequently, the
operation does not start immediately even after canceling the reset.
However, if Power-on reset is not selected by the mask option, no oscillation
stabilization time is required in any state after external pins have been
released from the reset.
Note: A longer time than the optionally-specified oscillation stabilization
time should be allowed for reset at power-on of Power-on reset
unavailable products. In other cases, the time is based on theorist
timing given in the MB89950 SERIES DATA SHEET “AC
characteristics.”
CPU
External-pin reset
Software reset
Watchdog reset
Power-on reset
When setting external-reset pin to Low
When writing 0 at RST (bit 4) of STBC
When watchdog timer overflows
When turning power on
Reset name
Description
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