R32C121 datasheet(83/113 Pages) RENESAS

83 / 113 page

REJ03B0237-0050 Rev.0.50 Jul 31, 2008

Page 83 of 111

Under development

Preliminary Specification

This is a preliminary specification and is subject to change.

R32C/121 Group

5. Electrical Characteristics

Figure 5.3

Power Supply Circuit Timing

Table 5.10

Power Supply Circuit Timing Characteristics

(VCC = 3.0 to 5.5 V, VSS = 0 V, and Ta =Topr, unless otherwise noted)

Symbol

Characteristic

Measurement

condition

Value

Unit

Min.

Typ.

Max.

td(P-R)

Internal power supply start-up stabilization

time after the main power supply is turned

VCC = 3.0 to 5.5 V

2ms

Table 5.11

Electrical Characteristics of Voltage Regulator for Internal Logic

(VCC = 3.0 to 5.5 V, VSS = 0 V, and Ta =Topr, unless otherwise noted)

Symbol

Characteristics

Measurement

condition

Value

Unit

Min.

Typ. Max.

VVDC1

Output voltage

1.5

Table 5.12

Electrical Characteristics of Low Voltage Detector

(VCC = 3.0 to 5.5 V, VSS = 0 V, and Ta =Topr, unless otherwise noted)

Symbol

Characteristics

Measurement

condition

Value

Unit

Min.

Typ. Max.

ΔVdet

Detected voltage error

±0.2

Vdet(R)-Vdet(F) Hysteresis width

—

Self-consuming current

VCC = 5.0 V, low

voltage detector

enabled

4µA

td(E-A)

Operation start time of low voltage detector

150

µs

t d(P-R)

VCC

PLL oscillator-

output waveform

Internal power supply start-up

stabilization time after the main

power supply is turned on

Recommended

operating voltage

t d(P-R)

Supply voltage for

internal logic

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