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HT49CA1 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

Part # HT49CA1
Description  Remote Type 8-Bit MCU with LCD
Download  57 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT49CA1 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc

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D.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VDD
Operating Voltage
¾¾
2.0
¾
3.6
V
IDD
Operating Current (RC OSC)
3V
No load, fSYS=4MHz
¾
0.7
1.5
mA
ISTB1
Standby Current (*fS=T1)
3V
No load, system HALT,
LCD off at HALT
¾
0.1
1
mA
ISTB2
Standby Current
(*fS=32.768kHz OSC)
3V
No load, system HALT,
LCD On at HALT, C type
¾
2.5
5
mA
ISTB3
Standby Current
(*fS=WDT RC OSC)
3V
No load, system HALT
LCD On at HALT, C type
¾
25
mA
VIL1
Input Low Voltage for I/O Ports,
TMR0/TMR1 and INT0/INT1
3V
¾
0
¾
0.3VDD
V
VIH1
Input High Voltage for I/O Ports,
TMR0/TMR1 and INT0/INT1
3V
¾
0.7VDD
¾
VDD
V
VIL2
Input Low Voltage (RES)3V
¾
0
¾
0.4VDD
V
VIH2
Input High Voltage (RES)3V
¾
0.9VDD
¾
VDD
V
IOL1
I/O Port & REM Sink Current
3V
VOL=0.1VDD
48
¾
mA
IOH1
I/O Port & REM Source Current
3V
VOH=0.9VDD
-5
-7
¾
mA
IOL2
LCD Common and Segment Current
3V
VOL=0.1VDD
210
420
¾mA
IOH2
LCD Common and Segment Current
3V
VOH=0.9VDD
-80
-160
¾mA
RPH
Pull-high Resistance of I/O Ports
3V
¾
100
150
200
k
W
VLVR
Low Voltage Reset Voltage
¾
LVR 2.1V option
1.98
2.10
2.22
V
LVR 3.15V optio
2.98
3.15
3.32
V
VLVD
Low Voltage Detector Voltage
¾ LVD voltage 2.2V option
2.08
2.20
2.32
V
LVD voltage 3.3V option
3.12
3.30
3.50
V
VPOR
VDD Start Voltage to Ensure
Power-on Reset
¾¾
¾
¾
100
mV
RPOR
VDD Rise Rate to Ensure
Power-on Reset
¾¾
0.035
¾¾
V/ms
Note:
tSYS=1/fSYS
²*fS² please refer to WDT clock option
HT49RA1/HT49CA1
Rev. 1.10
4
March 30, 2014


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