R8C datasheet(30/60 Pages) RENESAS

30 / 60 page

R8C/38A Group

5. Electrical Characteristics

REJ03B0274-0120 Rev.1.20

Page 30 of 57

Jul 31, 2010

Notes:

1. VCC = 1.8 to 5.5 V and Topr =

−20 to 85°C (N version), unless otherwise specified.

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

Table 5.2

Recommended Operating Conditions (1)

Symbol

Parameter

Conditions

Standard

Unit

Min.

Typ.

Max.

VCC/AVCC Supply voltage

1.8

—

5.5

VSS/AVSS

Supply voltage

—

VIH

Input “H” voltage Other than CMOS input

0.8 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

—

0.2 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

Drive capacity Low

—

−10

Drive capacity High

—

−40

IOH(avg)

Average output “H”

current

Drive capacity Low

—

−5mA

Drive capacity High

—

−20

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

Drive capacity Low

—

Drive capacity High

—

IOL(avg)

Average output “L”

current

Drive capacity Low

—

Drive capacity High

—

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 clock input oscillation frequency

1.8 V

≤ VCC ≤ 5.5 V

—

32.768

kHz

—

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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