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參數資料
| 型號： | HT82M99AE |
| 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： | 13/47頁 |
| 文件大?。?/td> | 336K |
| 代理商： | HT82M99AE |
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HT82M99EE/HT82M99AE
Rev. 1.00
13
February 8, 2006
by one or more cycles. If the wake-up results in the next
instruction execution, this will be executed immediately
after the dummy period is finished.
To minimize power consumption, all the I/O pins should
be carefully managed before entering the HALT status.
Reset
Therearefourwaysinwhicharesetcanoccur:
RES reset during normal operation
RES reset during HALT
WDT time-out reset during normal operation
USB reset
The WDT time-out during HALT is different from other
chip reset conditions, since it can perform a warm re -
set thatresetsonlytheprogramcounterandSP,leaving
the other circuits in their original state. Some registers
remain unchanged during other reset conditions. Most
registers are reset to the initial condition when the re-
set conditions are met. By examining the PDF and TO
flags, the program can distinguish between different
chip resets .
TO PDF
RESET Conditions
0
0
RES reset during power-up
u
u
RES reset during normal operation
0
1
RES wake-up HALT
1
u
WDT time-out during normal operation
1
1
WDT wake-up HALT
Note: u stands for unchanged
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 resets (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.
The functional unit chip reset status are shown below.
Program Counter
000H
Interrupt
Disable
Prescaler
Clear
WDT
Clear. After master reset,
WDT begins counting
Timer/event Counter
Off
Input/output Ports
Input mode
Stack Pointer
Points to the top of the stack
Reset Circuit
+
(
"
+
, #
"
! "
(
"
3 1 >
(
,
Reset Configuration
(
1
$
( (
"
Reset Timing Chart
相關PDF資料 |
PDF描述 |
|---|---|
| HT82M99EE | USB Mouse Encoder 8-Bit MCU |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT82M99AE_08 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU |
| HT82M99E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit OTP MCU |
| HT82M99E_11 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit MCU |
| HT82M99E-18 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit OTP MCU |
| HT82M99E-20 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Mouse Encoder 8-Bit OTP MCU |
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