ht82j31a Holtek Semiconductor Inc., ht82j31a Datasheet - Page 4

• Manufacturer Part Number: ht82j31a
• Description: 16 Channel A/d Mcu With Spi Interface
• Manufacturer: Holtek Semiconductor Inc.

D.C. Characteristics
A.C. Characteristics
Note: t
Rev. 1.00
V
I
I
I
I
V
V
V
V
V
I
I
R
f
f
f
t
t
t
t
t
t
DD1
DD2
STB1
STB2
OL
OH
SYS1
SYS2
TIMER
WDTOSC
WDT1
WDT2
RES
SST
INT
Symbol
Symbol
DD
IL1
IH1
IL2
IH2
LVR
PH
SYS
=1/f
Operating Voltage
Operating Current (Crystal OSC)
Operating Current (RC OSC)
Standby Current (WDT Enabled)
Standby Current (WDT Disabled)
Input Low Voltage for I/O, TMR
and INT
Input High Voltage for I/O, TMR
and INT
Input Low Voltage (RES)
Input High Voltage (RES)
Low Voltage Reset
I/O Port Sink Current
I/O Port Source Current
Pull-high Resistance
System Clock (Crystal OSC)
System Clock (RC OSC)
Timer I/P Frequency (TMR)
Watchdog Oscillator Period
Watchdog Time-out Period
(WDT OSC)
Watchdog Time-out Period
(System Clock)
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
SYS1
, 1/f
SYS2
Parameter
Parameter
V
V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
DD
DD
f
f
No load, f
ADC disable
No load, f
ADC disable
No load, system HALT
No load, system HALT
Configuration option: 3V
V
V
2.2V~2.7V
2.8V~5.5V
2.7V~5.5V
2.2V~2.7V
2.8V~5.5V
Wake-up from HALT
SYS
SYS
OL
OH
Test Conditions
Test Conditions
=0.1V
=4MHz
=12MHz at 56K RC mode
=0.9V
4
Conditions
Conditions
SYS
SYS
DD
DD
=12MHz
=12MHz
0.7V
0.9V
1000
Min.
Min.
400
400
2.2
2.7
2
2
10
20
10
45
32
0
0
4
0
0
1
1
15
17
2
5
DD
DD
1024
Typ.
Typ.
2.5
5.2
20
60
30
90
65
2
4
8
10
4
September 19, 2007
0.3V
0.4V
12000
12000
12000
HT82J31A
Max.
Max.
4000
4000
V
V
100
180
130
5.5
3.7
2
2
10
10
50
4
8
5
5
1
2
3
DD
DD
16
18
DD
DD
t
Ta=25 C
Ta=25 C
WDTOSC
Unit
Unit
kHz
kHz
kHz
kHz
kHz
t
t
mA
mA
mA
mA
mA
mA
mA
mA
k
k
ms
SYS
SYS
V
V
V
V
V
V
V
A
A
A
A
s
s
s