7549 datasheet(65/86 Pages) RENESAS

65 / 86 page

Rev.2.02

Mar 31, 2009

Page 63 of 81

REJ03B0202-0202

7549 Group

(2) Recommended Operating Conditions

Table 12 Recommended operating conditions (1)

(VCC = 1.8 to 5.5 V, VSS = 0 V, Ta =

−20 to 85 °C, unless otherwise noted)

NOTES:

1. The total output current is the sum of all the currents flowing through all the applicable ports. The total average current is an average

value measured over 100 ms. The total peak current is the peak value of all the currents.

2. The peak output current is the peak current flowing in each port.

3. The average output current IOL (avg), IOH (avg) in an average value measured over 100 ms.

4. P20 and P21 indicates these pins are used as I/O ports.

5. XIN and XCIN indicates these pins are used as clock pins.

Min.

0.8VCC

Typ.

Power source voltage

“H” input voltage (Note 4)

P00

−P07, P10−P17, P21, P30, P31

“H” input voltage (Note 5)

RESET, XIN, XcIN

______

“L” input voltage (Note 4)

P00

−P07, P10−P17, P21, P30, P31

“L” input voltage

RESET, CNVSS

“L” input voltage (Note 5)

XIN, XcIN

“H” total peak output current (Notes 1, 4)

P00

−P07, P10−P17, P20, P21, P30, P31

“L” total peak output current (Note 1)

P00

−P07

“L” total peak output current (Notes 1, 4)

P10

−P17, P20, P21, P30, P31

“H” total average output current (Notes 1, 4)

P00

−P07, P10−P17, P20, P21, P30, P31

“L” total average output current (Note 1)

P00

−P07

“L” total average output current (Notes 1, 4)

P10

−P17, P20, P21, P30, P31

VCC

VSS

VIH

VIL

ΣIOH(peak)

ΣIOL(peak)

ΣIOH(avg)

ΣIOL(avg)

“H” peak output current (Notes 2, 4)

P00

−P07, P10−P17, P20, P21, P30, P31

IOH(peak)

“L” peak output current (Notes 2, 4)

P00

−P07 (drive capacity: weakness), P10−P17, P20, P21, P30, P31

IOL(peak)

“L” peak output current (Note 2)

P00

−P07 (drive capacity: strength)

IOL(peak)

“H” average output current (Notes 3, 4)

P00

−P07, P10−P17, P20, P21, P30, P31

IOH(avg)

“L” average output current (Notes 3, 4)

P00

−P07 (drive capacity: weakness), P10−P17, P20, P21, P30, P31

IOL(avg)

Symbol

Parameter

Limits

Unit

Max.

VCC

0.2VCC

0.16VCC

−60

−30

−10

−5

“L” average output current (Notes 3)

P00

−P07 (drive capacity: strength)

IOL(avg)

4.5

5.5

XIN oscillation,

external clock input

5.0

XCIN oscillation

2.4

5.5

5.0

1.8

5.5

5.0

2.2

5.5

5.0

Double-, high-, middle-, low-speed mode

4.0

5.5

5.0

High-speed on-chip

oscillator

Low-speed on-chip

oscillator

Double-, high-, middle-, low-speed mode

1.8

5.5

5.0

4.0

5.5

5.0

2.4

5.5

5.0

1.8

5.5

5.0

Double-speed mode

High-, middle-,

low-speed mode

f(XIN)

≤ 8MHz

f(XIN)

≤ 2MHz

f(XIN)

≤ 1MHz

f(XIN)

≤ 8MHz

f(XIN)

≤ 4MHz

f(XIN)

≤ 1MHz

Double-, high-, middle-,

low-speed mode

f(XCIN)

≤ 50kHz

Power

source

voltage

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