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參數(shù)資料
| 型號： | HT82M9BEE |
| 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 |
| 文件頁數(shù)： | 13/47頁 |
| 文件大?。?/td> | 336K |
| 代理商： | HT82M9BEE |
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HT82M9BEE/HT82M9BAE
Rev. 1.20
13
August 13, 2007
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
/
-
/
=
"
0 !
-
1 *
-
0
Reset Configuration
-
*
#
- -
Reset Timing Chart
The registers status are summarized in the following table.
Register
Reset
(Power On)
WDT
Time-out
(Normal
Operation)
RES Reset
(Normal
Operation)
RES Reset
(HALT)
WDT
Time-out
(HALT)*
USB Reset
(Normal)
USB Reset
(HALT)
Program
Counter
000H
000H
000H
000H
000H
000H
000H
MP0
xxxx xxxx
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
MP1
xxxx xxxx
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
BP
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
ACC
xxxx xxxx
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
TBLP
xxxx xxxx
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
TBLH
xxxx xxxx
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
WDTS
1000 0111
1000 0111
1000 0111
1000 0111
uuuu uuuu
1000 0111
1000 0111
STATUS
--00 xxxx
--1u uuuu
--00 uuuu
--00 uuuu
--11 uuuu
--uu uuuu
--01 uuuu
INTC
-000 0000
-000 0000
-000 0000
-000 0000
-uuu uuuu
-000 0000
-000 0000
TMR0
xxxx xxxx
0000 0000
0000 0000
0000 0000
uuuu uuuu
uuuu uuuu
uuuu uuuu
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