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參數資料
| 型號： | HT82M99EE |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | USB Mouse Encoder 8-Bit MCU |
| 中文描述： | USB鼠標編碼器8位微控制器 |
| 文件頁數： | 17/47頁 |
| 文件大?。?/td> | 336K |
| 代理商： | HT82M99EE |
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HT82M99EE/HT82M99AE
Rev. 1.00
17
February 8, 2006
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.
8 / 8
3 / 6
8 / 8
/ .
/ *
8 / 8
3 / 6
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.
相關PDF資料 |
PDF描述 |
|---|---|
| HT82M99E | USB Mouse Encoder 8-Bit OTP MCU |
| HT82M99E-18 | USB Mouse Encoder 8-Bit OTP MCU |
| HT82M99E-20 | USB Mouse Encoder 8-Bit OTP MCU |
| HT82M9AAE | USB Mouse Encoder 8-Bit MCU with EEPROM |
| HT82M9AEE | USB Mouse Encoder 8-Bit MCU with EEPROM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT82M99EE_08 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU |
| HT82M9AA | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU |
| HT82M9AAE | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU with EEPROM |
| HT82M9AE | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU |
| HT82M9AE_09 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU |
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