EM78P468N/EM78P468L
8-Bit Microcontroller
Product Specification
(V1.5) 02.15.2007
•
51
(This specification is subject to change without further notice)
8 Electrical
Characteristic
8.1 DC Electrical Characteristics
Ta= -40
°
C ~85
°
C, VDD= 5.0V, GND= 0V
Symbol
Parameter
Condition
Min.
Typ.
Max. Unit
FXT
Crystal: VDD to 5V
Two cycles with two clocks
32.768
8M
10M kHz
Fs
Sub-oscillator
Two cycles with two clocks
−
32.768
−
kHz
External R, Internal C for
Sub-oscillator
R: 300K
Ω
, internal capacitance
270 384 500
kHz
ERIC
External R, Internal C for
Sub-oscillator
R: 2.2M
Ω
, 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
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 5~8)
VOH = 2.4V, IROCS=”0”
-10
−
−
mA
IOL1
Output Low Voltage (Ports 5~8)
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 enabled, no load
−
14 18
μ
A
ICC2
Green mode current
/RESET= 'High', CPU ON,
Sub-oscillator clock (32.768kHz),
Output pin floating,
WDT enabled, LCD enabled
−
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