參數(shù)資料
型號(hào): HT46R64
廠商: Holtek Semiconductor Inc.
英文描述: A/D with LCD Type 8-Bit MCU
中文描述: 在A / D液晶型8位微控制器
文件頁數(shù): 6/47頁
文件大?。?/td> 345K
代理商: HT46R64
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
I
OH
I/O Port Segment Logic Output
Source Current
3V
V
OH
=0.9V
DD
2
4
mA
5V
5
8
mA
R
PH
Pull-high Resistance of I/O Ports
and INT0, INT1
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 Integral
Nonlinearity 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
Note:
*f
S
please refer to clock option of WDT (page 13)
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS1
System Clock
2.2V~5.5V
400
4000
kHz
3.3V~5.5V
400
8000
kHz
f
SYS2
System Clock
(32768Hz Crystal OSC)
2.2V~5.5V
32768
Hz
f
RTCOSC
RTC Frequency
32768
Hz
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
Power-up or 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
Note:
t
SYS
= 1/f
SYS
HT46R64/HT46C64
Rev. 1.40
6
September 21, 2004
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