參數(shù)資料
型號: HT49C30L
廠商: Holtek Semiconductor Inc.
英文描述: HDSP-A101 RED DISPLAY, LED,
中文描述: 8位LCD型微控制器
文件頁數(shù): 7/43頁
文件大?。?/td> 353K
代理商: HT49C30L
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
R
PH
Pull-high Resistance of I/O
Ports and INT0, INT1
1.5V
75
150
300
k
3V
40
60
80
k
5V
10
30
50
k
V
LVR
Low Voltage Reset Voltage
2.7
3.2
3.6
V
V
LVD
Low Voltage Detector Voltage
3.0
3.3
3.6
V
Note:
t
SYS
=1/f
SYS
*f
S
please refer to the clock option of WDT
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS1
System Clock (Crystal OSC)
1.5V
400
500
kHz
3V
400
4000
kHz
5V
400
8000
kHz
f
SYS2
System Clock (RC OSC)
1.5V
400
500
kHz
3V
400
4000
kHz
5V
400
8000
kHz
f
SYS3
System Clock
(32768Hz Crystal OSC)
32768
Hz
f
RTCOSC
RTC Frequency
32768
Hz
f
TIMER
Timer I/P Frequency
1.5V
0
500
kHz
3V
0
4000
kHz
5V
0
8000
kHz
t
WDTOSC
Watchdog Oscillator
1.5V
35
70
140
s
3V
45
90
180
s
5V
35
65
130
s
t
RES
External Reset Low Pulse Width
For HT49C30L
10
s
For HT49R30A-1/HT49C30-1
1
s
t
SST
System Start-up Timer Period
Wake-up from HALT
1024
t
SYS
t
OPD
Option Load Time During Reset
1.5V
35
70
140
ms
3V
45
90
180
ms
5V
35
70
140
ms
t
INT
Interrupt Pulse Width
For HT49C30L
10
s
For HT49R30A-1/HT49C30-1
1
s
Note: t
SYS
=1/f
SYS
HT49R30A-1/HT49C30-1/HT49C30L
Rev. 1.10
7
September 25, 2002
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