L36C datasheet(54/75 Pages) RENESAS

54 / 75 page

R8C/L35C Group, R8C/L36C Group, R8C/L38C Group, R8C/L3AC Group

5. Electrical Characteristics

REJ03B0293-0100 Rev.1.00

Page 54 of 72

Jun 25, 2010

Note:

1. This enables the setting errors of bit rates such as 9600 bps and 38400 bps to be 0% when the serial interface is used in

UART mode.

Note:

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

Table 5.12

High-speed On-Chip Oscillator Circuit Characteristics

(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

Condition

Standard

Unit

Min.

Typ.

Max.

—

High-speed on-chip oscillator frequency after

reset

VCC = 1.8 V to 5.5 V

−20°C ≤ Topr ≤ 85°C

38.4

41.6

MHz

VCC = 1.8 V to 5.5 V

−40°C ≤ Topr ≤ 85°C

38.0

42.0

MHz

High-speed on-chip oscillator frequency when

the FRA4 register correction value is written into

the FRA1 register and the FRA5 register

correction value into the FRA3 register (1)

VCC = 1.8 V to 5.5 V

−20°C ≤ Topr ≤ 85°C

35.389

36.864

38.338

MHz

VCC = 1.8 V to 5.5 V

−40°C ≤ Topr ≤ 85°C

35.020

36.864

38.707

MHz

High-speed on-chip oscillator frequency when

the FRA6 register correction value is written into

the FRA1 register and the FRA7 register

correction value into the FRA3 register

VCC = 1.8 V to 5.5 V

−20°C ≤ Topr ≤ 85°C

30.72

33.28

MHz

VCC = 1.8 V to 5.5 V

−40°C ≤ Topr ≤ 85°C

30.40

33.60

MHz

—

Oscillation stability time

VCC = 5.0 V, Topr = 25

°C—

0.5

—

Self power consumption at oscillation

VCC = 5.0 V, Topr = 25

°C—

400

—

µA

Table 5.13

Low-speed On-Chip Oscillator Circuit Characteristics

(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

Condition

Standard

Unit

Min.

Typ.

Max.

fOCO-S

Low-speed on-chip oscillator frequency

112.5

125

137.5

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

fOCO-WDT

Low-speed on-chip oscillator frequency for the

watchdog timer

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 Characteristics

(VCC = 1.8 to 5.5 V, VSS = 0 V, and Topr = 25

°C, unless otherwise specified.)

Symbol

Parameter

Condition

Standard

Unit

Min.

Typ.

Max.

td(P-R)

Time for internal power supply stabilization during

power-on (1)

—

2000

µs

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