EM78468
8-BIT Microcontroller
6 ELECTRICAL CHARACTERISTIC
6.1 DC ELECTRICAL CHARACTERISTICS
(Ta= 25 °C, VDD= 5.0V, GND= 0V)
Symbol
FXT
Parameter
XTAL: VDD to 5V
Condition
Two cycle with two clocks
Two cycle with two clocks
Min.
32.768K
Typ.
8M
Max.
10M
Unit
Hz
Fs
Sub-oscillator
32.768
KHz
External R, internal C for
sub-oscillator
270
22.9
-1
384
32.768
0
500
42.6
1
KHz
KHz
µA
V
R: 300KΩ, internal capacitance
R: 2.2MΩ, internal capacitance
VIN = VDD, GND
ERIC
External R, internal C for
sub-oscillator
Input Leakage Current for input
pins
IIL
I Input High Threshold Voltage
(Schmitt trigger)
VIH1
VIL1
Ports 5, 6, 7, 8
2.4
Input High Threshold Voltage
(Schmitt trigger)
Ports 5, 6, 7, 8
0.8
0.8
0.8
9
V
Input High Threshold Voltage
(Schmitt trigger)
VIHT1
VILT1
VIHT2
VILT2
IOH1
IOL1
IOH1
/RESET
2.4
2.4
-9
V
Input Low Threshold Voltage
(Schmitt trigger)
/RESET
V
Input High Threshold Voltage
(Schmitt trigger)
TCC, INT0, INT1
TCC, INT0, INT1
VOH = 2.4V, IROCS=”0”
VOL = 0.4V, IROCS=”0”
VOH = 2.4V, IROCS=”1”
V
Input Low Threshold Voltage
(Schmitt trigger)
V
Output High Voltage
(Ports 5, 6, 7, 8)
mA
mA
mA
Output Low Voltage
(Ports 5, 6, 7, 8)
Output high voltage
(P5.7/IROUT pin)
-18
Output Low Voltage
(P5.7/IR OUT pin)
IOL2
VOL = 0.4V, IROCS=”1
18
mA
IPH
IPL
Pull-high current
Pull-low current
Pull-high active, input pin at GND
Pull-low active, input pin at VDD
-55
55
-75
75
-95
95
µA
µA
All input and I/O pins at VDD, output pin
floating, WDT disabled
ISB
Sleep mode current
0.5
1.5
µA
/RESET= 'High', CPU OFF, sub-oscillator
clock (32.768KHz) ON, output pin floating,
LCD enable, no load
ICC1
Idle mode current
14
18
µA
/RESET= 'High', CPU ON, used
ICC2
Green mode current
sub-oscillator clock (32.768KHz), output pin
floating, WDT enabled, LCD enable
22
30
µA
/RESET= 'High', Fosc=4MHz (Crystal type,
CLKS="0"), output pin floating
ICC3
ICC4
Normal mode
Normal mode
2.2
3.1
3
4
mA
mA
/RESET= 'High', Fosc=10MHz (Crystal
type, CLKS="0"), output pin floating
Product Specification (V1.1) 04.11.2005
• 57
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
