EM78P468N_0712 datasheet(57/82 Pages) EMC

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EM78P468N/L

8-Bit Microcontroller

Product Specification (V1.6) 12.31.2007

• 51

(This specification is subject to change without further notice)

Symbol

Parameter

Condition

Min.

Typ.

Max. Unit

IPH

Pull-high current

Pull-high active, input pin at GND

-55

-75

-95

μA

IPL

Pull-low current

Pull-low active, input pin at VDD

μA

ISB

Sleep mode current

All input and I/O pins at VDD,

Output pin floating,

WDT disabled

−

0.5

1.5

μA

ICC1

Idle mode current

/RESET= 'High', CPU OFF,

Sub-oscillator clock (32.768kHz)

ON, output pin floating,

LCD enabled, no load

−

μA

ICC2

Green mode current

/RESET= 'High', CPU ON,

Sub-oscillator clock (32.768kHz),

Output pin floating,

WDT enabled, LCD enabled

−

μA

ICC3

Normal mode

/RESET= 'High', Fosc=4MHz

(Crystal type, CLKS="0"),

Output pin floating

−

2.2

ICC4

Normal mode

/RESET= 'High', Fosc=10MHz

(Crystal type, CLKS="0"),

Output pin floating

−

3.1

Ta= -40

°C ~85 °C, VDD= 3.0V, GND= 0V

Symbol

Parameter

Condition

Min.

Typ.

Max. Unit

FXT

Crystal: VDD to 5V

Two cycles with two clocks

32.768

10M

kHz

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

μA

VIH1

Input High Threshold

Voltage

(Schmitt Trigger)

Ports 5, 6, 7, 8

1.8

−

VIL1

Input High Threshold

Voltage (Schmitt Trigger)

Ports 5, 6, 7, 8

−

0.6

VIHT1

Input High Threshold

Voltage (Schmitt Trigger)

/RESET

1.8

−

VILT1

Input Low Threshold

Voltage (Schmitt Trigger)

/RESET

−

0.6

VIHT2

Input High Threshold

Voltage (Schmitt Trigger)

TCC, INT0, INT1

1.8

−

VILT2

Input Low Threshold

Voltage (Schmitt Trigger)

TCC, INT0, INT1

−

0.6

IOH1

Output High Voltage (Ports

5~8)

VOH = 2.4V, IROCS=”0”

-1.8

−

IOL1

Output Low Voltage (Ports

5~8)

VOL = 0.4V, IROCS=”0”

−

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