參數(shù)資料
型號: HT46R24
廠商: Holtek Semiconductor Inc.
英文描述: A/D Type 8-Bit MCU
中文描述: 的A / D型8位微控制器
文件頁數(shù): 5/49頁
文件大?。?/td> 393K
代理商: HT46R24
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
I
DD3
Operating Current
5V
No load, f
SYS
=8MHz
ADC disable
3
5
mA
I
STB1
Standby Current (WDT Enabled)
3V
No load, system HALT
5
A
5V
10
A
I
STB2
Standby Current (WDT Disabled)
3V
No load, system HALT
1
A
5V
2
A
V
IL1
Input Low Voltage for I/O Ports,
TMR0, TMR1 and INT
0
0.3V
DD
V
V
IH1
Input High Voltage for I/O Ports,
TMR0, TMR1 and INT
0.7V
DD
V
DD
V
V
IL2
Input Low Voltage (RES)
0
0.4V
DD
V
V
IH2
Input High Voltage (RES)
0.9V
DD
V
DD
V
V
LVR
Low Voltage Reset Voltage
2.7
3
3.3
V
I
OL
I/O Port Sink Current
3V
V
OL
=0.1V
DD
4
8
mA
5V
10
20
mA
I
OH
I/O Port Source Current
3V
V
OH
=0.9V
DD
2
4
mA
5V
5
10
mA
R
PH
Pull-high Resistance
3V
20
60
100
k
5V
10
30
50
k
V
AD
A/D Input Voltage
0
V
DD
V
E
AD
A/D Conversion Error
0.5
1
LSB
I
ADC
Additional Power Consumption
if A/D Converter is Used
3V
0.5
1
mA
5V
1.5
3
mA
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS
System Clock
2.2V~5.5V
400
4000
kHz
3.3V~5.5V
400
8000
kHz
f
TIMER
Timer I/P Frequency
(TMR0/TMR1)
2.2V~5.5V
0
4000
kHz
3.3V~5.5V
0
8000
kHz
t
WDTOSC
Watchdog Oscillator Period
3V
45
90
180
s
5V
32
65
130
s
t
RES
External Reset Low Pulse Width
1
s
t
SST
System Start-up Timer Period
Wake-up from HALT
1024
*t
SYS
t
INT
Interrupt Pulse Width
1
s
t
AD
A/D Clock Period
1
s
t
ADC
A/D Conversion Time
76
t
AD
t
ADCS
A/D Sampling Time
32
t
AD
t
IIC
I
2
C Bus Clock Period
Connect to external
pull-high resistor 2k
64
*t
SYS
Note: *t
SYS
=1/f
SYS
HT46R24/HT46C24
Rev. 1.50
5
May 3, 2004
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