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EM78P468N
8-BIT Microcontroller
6 ELECTRICAL CHARACTERISTIC
56
Product Specification (V1.2) 03.15.2005
(This specification is subject to change without further notice)
6.1 DC Electrical Characteristics
(Ta= 25
°
C, VDD= 5.0V, GND= 0V)
Symbol
Parameter
Condition
Min.
Typ.
Max. Unit
FXT
XTAL: VDD to 5V
Two cycle with two clocks
32.768K
8M
10M
Hz
Fs
Sub-oscillator
Two cycle with two clocks
32.768
KHz
External R, internal C for
sub-oscillator
R: 300K
, internal capacitance
270
384
500
KHz
ERIC
External R, internal C for
sub-oscillator
R: 2.2M
, internal capacitance
22.9
32.768 42.6 KHz
IIL
Input Leakage Current for
input pins
VIN = VDD, GND
-1
0
1
μ
A
VIH1
I Input High Threshold
Voltage
(Schmitt trigger)
Ports 5, 6, 7, 8
2.4
V
VIL1
Input High Threshold
Voltage (Schmitt trigger)
Ports 5, 6, 7, 8
0.8
V
VIHT1
Input High Threshold
Voltage (Schmitt trigger)
/RESET
2.4
V
VILT1
Input Low Threshold
Voltage (Schmitt trigger)
/RESET
0.8
V
VIHT2
Input High Threshold
Voltage (Schmitt trigger)
TCC, INT0, INT1
2.4
V
VILT2
Input Low Threshold
Voltage (Schmitt trigger)
TCC, INT0, INT1
0.8
V
IOH1
Output High Voltage
(Ports 5, 6, 7, 8)
VOH = 2.4V, IROCS=”0”
-10
mA
IOL1
Output Low Voltage
(Ports 5, 6, 7, 8)
VOL = 0.4V, IROCS=”0”
10
mA
IOH1
Output high voltage
(P5.7/IROUT pin)
VOH = 2.4V, IROCS=”1”
-20
mA
IOL2
Output Low Voltage
(P5.7/IR OUT pin)
VOL = 0.4V, IROCS=”1
20
mA
IPH
Pull-high current
Pull-high active, input pin at GND
-55
-75
-95
μ
A
IPL
Pull-low current
Pull-low active, input pin at VDD
55
75
95
μ
A
ISB
Sleep mode current
All input and I/O pins at VDD, output pin
floating, WDT disabled
0.5
1.5
μ
A
ICC1
Idle mode current
/RESET= 'High', CPU OFF,
sub-oscillator clock (32.768KHz) ON,
output pin floating, LCD enable, no load
14
18
μ
A
ICC2
Green mode current
/RESET= 'High', CPU ON, used
sub-oscillator clock (32.768KHz),
output pin floating, WDT enabled, LCD
enable
22
30
μ
A
ICC3
Normal mode
/RESET= 'High', Fosc=4MHz (Crystal
type, CLKS="0"), output pin floating
2.2
3
mA
ICC4
Normal mode
/RESET= 'High', Fosc=10MHz (Crystal
type, CLKS="0"), output pin floating
3.1
4
mA