ht82m99e Holtek Semiconductor Inc., ht82m99e Datasheet - Page 4

• Manufacturer Part Number: ht82m99e
• Description: Ht82m99e/ht82m99a -- Usb Mouse Encoder 8-bit Mcu
• Manufacturer: Holtek Semiconductor Inc.

D.C. Characteristics
Note:
A.C. Characteristics
Note: Power-on period=t
Rev. 2.20
V
I
I
I
I
V
V
V
V
I
I
I
I
R
R
R
R
V
f
f
t
t
t
t
t
Symbol
Symbol
DD
STB1
STB2
STB3
OL
OH
OL2
OH2
SYS
RCSYS
WDT
RF
RES
SST
OSC
DD
IL1
IH1
IL2
IH2
LVR
PD
PH1
PH2
PH3
WDT Time-out in normal mode=1/f
WDT Time-out in HALT mode=1/f
* The DATA pull-high must be implemented by the external 1.5k .
* include 15k loading of USBD+, USBD- line in host terminal.
Operating Voltage
Operating Current (6MHz Crystal)
Standby Current
Standby Current (WDT Enabled)
Standby Current (WDT Disabled)
Input Low Voltage for I/O Ports
Input High Voltage for I/O Ports
Input Low Voltage (RES)
Input High Voltage (RES)
Output Sink Current for PA4~PA7,
PB4, PB7
Output Source Current for PA4~PA7,
PB4, PB7
Output Sink Current for PA0~PA3,
PB2~PB3
Output Source Current for PA0~PA3,
PB2~PB3
Pull-down Resistance for PA0~PA3,
PB2~PB3
Pull-high Resistance for DATA*
Pull-high Resistance for CLK
Pull-high Resistance for PA0~PA7,
PB2~PB4, PB7
Low Voltage Reset
System Clock (Crystal OSC)
RC Clock with 8-bit Prescaler Register
Watchdog Time-out Period (System Clock)
USBD+, USBD- Rising & falling Time
External Reset Low Pulse Width
System Start-up Timer Period
Crystal Setup
WDT
Parameter
Parameter
+t
SST
+t
OSC
RCSYS
RCSYS
256 WDTS+t
256 WDTS+t
V
V
5V No load, f
5V
5V No load, system HALT,
5V
5V
5V
5V
5V
5V V
5V V
5V V
5V V
5V
5V
5V
5V
DD
DD
4
No load, system HALT,
USB suspend**
input/output mode,
set SUSPEND2 [1CH].4
Without WDT prescaler 1024
Wake-up from HALT
Test Conditions
Test Conditions
SST
WDT
OL
OH
OL
OH
+t
=0.4V
=0.4V
=3.4V
=3.4V
OSC
Conditions
Conditions
SYS
=6MHz
HT82M99E/HT82M99A
0.9V
Min.
Min.
3.3
1.3
2.0
2.4
10
10
30
75
2.5
0
2
0
2
8
6
0
1
DD
1024
Typ.
Typ.
1.5
4.7
2.7
15
12
30
50
32
7
4
5
4
0.4V
Max.
Max.
V
V
April 16, 2008
500
300
5.5
0.8
2.0
6.0
30
20
50
70
12
10
9
3
DD
DD
DD
Ta=25 C
Ta=25 C
t
RCSYS
MHz
Unit
Unit
t
kHz
mA
mA
mA
mA
mA
ms
ms
k
k
k
k
SYS
ns
V
V
V
V
V
V
A
A
A