HT47R20A-1_08 Datasheet, PDF (5/41 Pages) Holtek Semiconductor Inc – R-F Type 8-Bit MCU

HT47R20A-1/HT47C20-1
Symbol
Parameter
I_STB6
Standby Current
(*f_S=WDT RC OSC)
Test Conditions
V_DD
Conditions
3V No load, system HALT,
LCD on at HALT, R type,
5V _{1/2 bias}
Min.
¾
¾
Typ. Max. Unit
14
25
mA
26
50
mA
I_STB7
Standby Current
(*f_S=WDT RC OSC)
3V No load, system HALT,
¾
10
20
mA
LCD on at HALT, R type,
5V _{1/3 bias}
¾
19
40
mA
V_IL1
Input Low Voltage for I/O Ports,
TMR and INT
¾
¾
0
¾ ^0.3VDD V
V_IH1
Input High Voltage for I/O Ports,
TMR and INT
3V
5V
0.7V_DD ¾
V_DD
V
¾
0.7V_DD ¾
V_DD
V
V_IL2
Input Low Voltage (RES)
¾
¾
0
¾ 0.4VDD V
V_IH2 Input High Voltage (RES)
¾
¾
0.9V_DD ¾
V_DD
V
I_OL1
I/O Port Sink Current
3V
V_OL=0.1V_DD
5V
6
12
¾ mA
10
25
¾ mA
I_OH1 I/O Port Source Current
3V
V_OH=0.9V_DD
5V
-2
-4
¾ mA
-5
-8
¾ mA
I_OL2
LCD Common and Segment
Current
3V
V_OL=0.1V_DD
5V
210 420 ¾
mA
350 700 ¾
mA
I_OH2
LCD Common and Segment
Current
3V
V_OH=0.9V_DD
5V
-80 -160 ¾
mA
-180 -360 ¾
mA
I_OL3
RC Oscillation Output Sink Current 3V V_OL=0.3V
5
10
¾ mA
I_OH3
RC Oscillation Output Source
Current
3V VOH=2.7V
-5 -10 ¾ mA
R_PH
Pull-high Resistance of I/O Ports
and INT0, INT1
3V
5V
¾
20
60 100 kW
10
30
50
kW
V_LVR Low Voltage Reset
¾
¾
V_LVD Low Voltage Detector Voltage
¾
2.5 3.2 3.6
V
3.0 3.3 3.6
V
Note: ²*² t_SYS= 1/f_SYS
²**² for power on protection
Rev. 1.80
5
June 23, 2008