7220 datasheet(167/303 Pages) RENESAS

167 / 303 page

M37220M3-XXXSP/FP

4.6 Electrical characteristics

4-29

7220 Group User’s Manual

VCC

VSS

VIH

VIL1

VIL2

IOH

IOL1

IOL2

IOL3

f(XIN)

fCRT

fhs1

fhs2

Power source voltage (Note 4), During CPU, CRT operation

Power source voltage

HIGH input voltage

P00–P07,P10–P17, P20–P27,

P30–P34, SIN, SCLK, HSYNC,

VSYNC, RESET, XIN, OSC1,

TIM2, TIM3, INT1, INT2, INT3

LOW input voltage

P00–P07,P10–P17, P20–P27,

P30–P34

LOW input voltage

HSYNC, VSYNC, RESET, TIM2,

TIM3, INT1, INT2, INT3, XIN,

OSC1, SIN, SCLK

HIGH average output current (Note 1)

R, G, B, OUT, D-A, P10–P17,

P20–P27, P30, P31

LOW average output current (Note 2)

R, G, B, OUT, D-A, P06, P07,

P10–P17, P20–P27, P30–P32

LOW average output current (Note 2)

P00–P05

LOW average output current (Note 3)

P24–P27

Oscillation frequency (for CPU operation) (Note 5) XIN

Oscillation frequency (for CRT display) (Note 5)

OSC1

Input frequency

TIM2, TIM3

Input frequency

SCLK

Recommended operating conditions (Ta = –10 °C to 70 °C, VCC = 5 V ± 10 %, unless otherwise noted)

Parameter

Symbol

Notes 1: The total current that flows out of the IC must be 20 mA (max.).

2: The total input current to IC (IOL1 + IOL2) must be 30 mA or less.

3: The total average input current for ports P24–P27 to IC must be 20 mA or less.

4: Connect 0.1

µF or more capacitor externally across the power source pins VCC–VSS so as to

reduce power source noise. Also connect 0.1

µF or more capacitor externally across the pins

VCC–CNVSS.

5: Use a quartz-crystal oscillator or a ceramic resonator for the CPU oscillation circuit.

Max.

5.5

VCC

0.4VCC

0.2VCC

8.1

8.0

100

Min.

4.5

0.8VCC

7.9

5.0

Typ.

5.0

8.0

MHz

kHz

MHz

Unit

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