參數(shù)資料
型號(hào)： HT82M9AEE
廠商： Holtek Semiconductor Inc.
英文描述： USB Mouse Encoder 8-Bit MCU with EEPROM
中文描述： USB鼠標(biāo)編碼器8位微控制器帶有EEPROM
文件頁(yè)數(shù)： 17/48頁(yè)
文件大小： 330K
代理商： HT82M9AEE
HT82M9AEE/HT82M9AAE
Rev. 1.20
17
August 13, 2007
Low Voltage Reset
LVR
The microcontroller contains a low voltage reset circuit
inordertomonitorthesupplyvoltageofthedevice.Ifthe
supply voltage of the device drops to within the range of
0.9V~V
LVR
such as might occur when changing the bat-
tery, the LVR will automatically reset the device inter-
nally.
The LVR includes the following specifications:
ForavalidLVRsignal,alowvoltage(0.9V~V
LVR
)must
exist for more than 1ms. If the low voltage state does
not exceed 1ms, the LVR will ignore it and will not per-
form a reset function.
The LVR uses the OR function with the external
RES signal to perform a chip reset.
TherelationshipbetweenV
DD
andV
LVR
isshownbelow.
Note: V
OPR
is the voltage range for proper chip opera-
tion at 6MHz or 12MHz system clock.
6 / 6
3 / 7
6 / 6
/ .
/ *
6 / 6
3 / 7
3
"
(
,
"
E
E
, (
"
(
(
,
Low Voltage Reset
Note: *1: To make sure that the system oscillator has stabilized, the SST provides an extra delay of 1024 system
clock pulses before entering the normal operation.
*2: A low voltage has to exist for more than 1ms, after that 1ms delay, the device enters a reset mode.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT82M9BAE 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU with EEPROM
HT82M9BEE 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU with EEPROM
HT82P4352-16SOP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
HT82P604B 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:DC-DC Converter
HT82T20-20SOP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC
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