參數(shù)資料
型號: HT48CA0
廠商: Holtek Semiconductor Inc.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 10/32頁
文件大?。?/td> 238K
代理商: HT48CA0
HT48RA0-2/HT48CA0-2
Rev. 1.50
10
July 23, 2004
Low Voltage Reset
LVR
The microcontroller provides low voltage reset circuit in
order to monitor the supply voltage of the device. If the
supply voltage of the device is within the range
0.9V~V
LVR
, such as changing a battery, the LVR will au-
tomatically reset the device internally.
The LVR includes the following specifications:
The low voltage (0.9V~V
LVR
) has to remain in their
original state to exceed 1ms. If the low voltage state
does not exceed 1ms, the LVR will ignore it and do not
perform a reset function.
The LVR uses the OR function with the external
RES signal to perform chip reset.
TherelationshipbetweenV
DD
andV
LVR
isshownbelow.
E
(
E
# @
+
! #
#
+
<
1 1 :
$ %
&
/ $ %
/
# +
<
:
#
/ $ %
/
#
1
PA, PB Input/Output Lines
#
1 1 :
/
%
/ 0
# @
# +
<
:
#
PB Input Lines
2 F 3
F 4
$ F 4
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