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H49R50A-1 Datasheet, PDF (6/45 Pages) Holtek Semiconductor Inc – LCD Type 8-Bit MCU
HT49R50A-1/HT49C50-1/HT49C50L
Symbol
Parameter
VIH1
Input High Voltage for I/O
Ports, TMR and INT
VIL2
Input Low Voltage (RES)
VIH2
Input High Voltage (RES)
IOL1
I/O Port Sink Current
Test Conditions
VDD
Conditions
For HT49C50L
¾
For HT49R50A-1/HT49C50-1
¾
¾
¾
¾
1.5V
3V VOL=0.1VDD
5V
IOH1
I/O Port Source Current
1.5V
3V VOH=0.9VDD
5V
IOL2
LCD Common and Segment
Current
3V
VOL=0.1VDD
5V
IOH2
LCD Common and Segment
Current
3V
VOH=0.9VDD
5V
1.5V
RPH
Pull-high Resistance
3V
¾
5V
VLVR
Low Voltage Reset Voltage
¾
¾
VLVD Low Voltage Detector Voltage ¾
¾
Note: ²*² for the value of VA refer to the LCD driver section.
²*fS² please refer to WDT clock option
Min. Typ. Max. Unit
0.8VDD ¾
VDD
V
0.7VDD ¾
VDD
V
0
¾ 0.4VDD V
0.9VDD ¾
VDD
V
0.4 0.8 ¾ mA
6
12
¾ mA
10 25 ¾ mA
-0.3 -0.6 ¾ mA
-2
-4
¾ mA
-5 -8 ¾ mA
210 420 ¾ mA
350 700 ¾ mA
-80 -160 ¾ mA
-180 -360 ¾ mA
75 150 300 kW
20 60 100 kW
10 30 50 kW
2.7 3.2 3.6 V
3.0 3.3 3.6 V
Rev. 2.00
6
November 29, 2005