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HT82M99AE Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

Part # HT82M99AE
Description  USB Mouse Encoder 8-Bit MCU
PDF  47 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT82M99AE Datasheet(HTML) 4 Page - Holtek Semiconductor Inc

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D.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VDD
Operating Voltage
¾¾
4
¾
5.5
V
IDD
Operating Current (6MHz Crystal)
5V
No load, fSYS=6MHz
¾
79
mA
ISTB
Standby Current
5V
No load, system HALT
¾
300
500
mA
VIL1
Input Low Voltage for I/O Ports
5V
¾
0
¾
0.8
V
VIH1
Input High Voltage for I/O Ports
5V
¾
2
¾
5V
VIL2
Input Low Voltage (RES)5V
¾
0
¾
0.4VDD
V
VIH2
Input High Voltage (RES)5V
¾
0.9VDD
¾
VDD
V
IOL
Output Sink Current for Other Ports
PA0~PA7, PB2~PB4, PB7
5V
VOL=0.4V
24
¾
mA
IOH
Output Port Source Current
5V
VOL=3.4V
-2.5
-4
¾
mA
RPD
Pull-down Resistance for PA0~PA3, PB2
and PB3
5V
¾
10
30
50
k
W
RPH1
Pull-high Resistance for CLK and DATA
¾¾
2
4.7
6
k
W
RPH2
Pull-high Resistance for PA0~PA7,
PB2~PB4, PB7
¾¾
30
50
70
k
W
VLVR
Low Voltage Reset
5V
¾
2.4
2.7
3
V
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS
System Clock (Crystal OSC)
5V
¾
6
¾
12
MHz
fRCSYS
RC Clock with 8-bit Prescaler Register
5V
¾
032
¾
kHz
tWDT
Watchdog Time-out Period (System Clock)
¾ Without WDT prescaler 1024
¾¾
tRCSYS
tRF
USBD+, USBD- Rising & falling Time
¾¾
75
¾
300
ns
tSST
System Start-up Timer Period
¾ Wake-up from HALT
¾
1024
¾
tSYS
tOSC
Crystal Setup
¾¾
¾
510
ms
Note: Power-on period=tWDT+tSST+tOSC
WDT Time-out in normal mode=1/fRCSYS
´256´WDTS+tWDT
WDT Time-out in HALT mode=1/fRCSYS
´256´WDTS+tSST+tOSC
HT82M99EE/HT82M99AE
Rev. 1.00
4
February 8, 2006



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