參數(shù)資料
型號: HT46C47
廠商: Holtek Semiconductor Inc.
英文描述: Cost-Effective A/D Type 8-Bit MCU
中文描述: 成本效益的A / D型8位微控制器
文件頁數(shù): 13/42頁
文件大?。?/td> 291K
代理商: HT46C47
HT46R46/HT46C46/HT46R47/HT46C47
Rev. 1.00
13
December 28, 2004
To guarantee that the system oscillator is started and
stabilized, the SST (System Start-up Timer) provides an
extra-delay of 1024 system clock pulses when the sys-
tem 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 en-
able the SST delay.
An extra option load time delay is added during system
reset (power-up, WDT time-out at normal mode or RES
reset).
The functional unit chip reset status are shown below.
Program Counter
000H
Interrupt
Disable
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
+
%
+
'
0 &
%
$ %
%
1 2 > !
! 0
Reset Configuration
!
2
( !
%
Reset Timing Chart
1 1 =
1 =
1 D
- E
1 D 1
- E
Reset Circuit
Note:
* Make the length of the wiring, which is con-
nected to the RES pin as short as possible, to
avoid noise interference.
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