R8C datasheet(38/60 Pages) RENESAS

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R8C/38A Group

5. Electrical Characteristics

REJ03B0274-0120 Rev.1.20

Page 38 of 57

Jul 31, 2010

Note:

1. VCC = 1.8 to 5.5 V and Topr =

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

Notes:

1. The measurement condition is VCC = 1.8 to 5.5 V and Topr = 25

°C.

2. Waiting time until the internal power supply generation circuit stabilizes during power-on.

Table 5.13

Low-speed On-Chip Oscillator Circuit Electrical Characteristics

Symbol

Parameter

Condition

Standard

Unit

Min.

Typ.

Max.

fOCO-S

Low-speed on-chip oscillator frequency

125

250

kHz

—

Oscillation stability time

VCC = 5.0 V, Topr = 25

°C

—

100

µs

—

Self power consumption at oscillation

VCC = 5.0 V, Topr = 25

°C—

—

µA

Table 5.14

Power Supply Circuit Timing Characteristics

Symbol

Parameter

Condition

Standard

Unit

Min.

Typ.

Max.

td(P-R)

Time for internal power supply stabilization during

power-on (2)

—

2,000

µs

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