參數資料
型號: HT48C50-
廠商: Holtek Semiconductor Inc.
元件分類: 數學處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數: 16/45頁
文件大?。?/td> 295K
代理商: HT48C50-
HT48C50-1
16
June 14, 2000
Preliminary
To guarantee that the system oscillator is
started and stabilized, the SST (System
Start-upTimer)providesanextra-delayof1024
system clock pulses when the system reset
(power-up, WDT time-out or RES reset) or the
system awakes from the HALT state.
When a system reset occurs, the SST delay is
added during the reset period. Any wake-up
from HALT will enable the SST delay.
The functional unit chip reset status are shown
below.
PC
000H
Interrupt
Disable
Prescaler
Clear
WDT
Clear. After master reset,
WDT begins counting
Timer/event
Counter
Off
Input/output
Ports
Input mode
SP
Points to the top of
the stack
Reset circuit
,
* !
,
$ (
'
!
& ! * !
; > # ! * # " "
!
Reset configuration
!
* # ; !
) # " * * !
Reset timing chart
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