R8C datasheet(53/106 Pages) RENESAS

53 / 106 page

R01DS0011EJ0100 Rev.1.00

Page 53 of 102

Dec 21, 2010

R8C/LA3A Group, R8C/LA5A Group, R8C/LA6A Group, R8C/LA8A Group

5. Electrical Characteristics

5.1.2

Recommended Operating Conditions

Notes:

The average output current indicates the average value of current measured during 100 ms.

This applies when the drive capacity of the output transistor is set to High by P8DRR register. When the drive capacity is set to Low, the value

of any other pin applies.

fOCO20M can be used as the count source for timer RC in the range of VCC = 2.7 V to 5.5V.

Table 5.2

Recommended Operating Conditions

(VCC = 1.8 to 5.5 V and Topr =

−20 to 85 °C (N version)/ −40 to 85 °C (D version), unless

otherwise specified.)

Symbol

Parameter

Conditions

Standard

Unit

Min.

Typ.

Max.

VCC/AVCC

Supply voltage

1.8

–

5.5

VSS/AVSS

Supply voltage

–0

–

VIH

Input “H” voltage Other than CMOS input

4.0 V

≤ VCC ≤ 5.5 V

0.8 VCC

–VCC

2.7 V

≤ VCC < 4.0 V

0.8 VCC

–VCC

1.8 V

≤ VCC < 2.7 V

0.9 VCC

–VCC

CMOS

input

Input level

switching

function

(I/O port)

Input level selection

: 0.35 VCC

4.0 V

≤ VCC ≤ 5.5 V

0.5 VCC

–VCC

2.7 V

≤ VCC < 4.0 V

0.55 VCC

–VCC

1.8 V

≤ VCC < 2.7 V

0.65 VCC

–VCC

Input level selection

: 0.5 VCC

4.0 V

≤ VCC ≤ 5.5 V

0.65 VCC

–VCC

2.7 V

≤ VCC < 4.0 V

0.7 VCC

–VCC

1.8 V

≤ VCC < 2.7 V

0.8 VCC

–VCC

Input level selection

: 0.7 VCC

4.0 V

≤ VCC ≤ 5.5 V

0.85 VCC

–VCC

2.7 V

≤ VCC < 4.0 V

0.85 VCC

–VCC

1.8 V

≤ VCC < 2.7 V

0.85 VCC

–VCC

VIL

Input “L” voltage

Other than CMOS input

4.0 V

≤ VCC ≤ 5.5 V

–

0.2 VCC

2.7 V

≤ VCC < 4.0 V

–

0.2 VCC

1.8 V

≤ VCC < 2.7 V

–

0.05 VCC

CMOS

input

Input level

switching

function

(I/O port)

Input level selection

: 0.35 VCC

4.0 V

≤ VCC ≤ 5.5 V

–

0.2 VCC

2.7 V

≤ VCC < 4.0 V

–

0.2 VCC

1.8 V

≤ VCC < 2.7 V

–

0.2 VCC

Input level selection

: 0.5 VCC

4.0 V

≤ VCC ≤ 5.5 V

–

0.4 VCC

2.7 V

≤ VCC < 4.0 V

–

0.3 VCC

1.8 V

≤ VCC < 2.7 V

–

0.2 VCC

Input level selection

: 0.7 VCC

4.0 V

≤ VCC ≤ 5.5 V

–

0.55 VCC

2.7 V

≤ VCC < 4.0 V

–

0.45 VCC

1.8 V

≤ VCC < 2.7 V

–

0.35 VCC

IOH(sum)

Peak sum output

“H” current

Sum of all pins IOH(peak)

––

−160

IOH(sum)

Average sum

output “H” current

Sum of all pins IOH(avg)

––

−80

IOH(peak)

Peak output “H”

current

Port P8 (2)

––

−40

Other pins

–

−10

IOH(avg)

Average output

“H” current (1)

Port P8 (2)

––

−20

Other pins

–

−5mA

IOL(sum)

Peak sum output

“L” current

Sum of all pins IOL(peak)

–

160

IOL(sum)

Average sum

output “L” current

Sum of all pins IOL(avg)

––

IOL(peak)

Peak output “L”

current

Port P8 (2)

––

Other pins

–

IOL(avg)

Average output

“L” current (1)

Port P8 (2)

––

Other pins

–

f(XIN)

XIN clock input oscillation frequency

2.7 V

≤ VCC ≤ 5.5 V

–

MHz

1.8 V

≤ VCC < 2.7 V

–

MHz

f(XCIN)

XCIN oscillation frequency

1.8 V

≤ VCC ≤ 5.5 V

–

32.768

–

kHz

XCIN external clock input frequency

1.8 V

≤ VCC ≤ 5.5 V

–

kHz

fOCO20M When used as the count source for timer RC (3)

2.7 V

≤ VCC ≤ 5.5 V

18.432

–

MHz

fOCO-F

fOCO-F frequency

2.7 V

≤ VCC ≤ 5.5 V

MHz

1.8 V

≤ VCC < 2.7 V

MHz

−

System clock frequency

2.7 V

≤ VCC ≤ 5.5 V

MHz

1.8 V

≤ VCC < 2.7 V

MHz

f(BCLK)

CPU clock frequency

2.7 V

≤ VCC ≤ 5.5 V

MHz

1.8 V

≤ VCC < 2.7 V

MHz

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