R8C datasheet(68/106 Pages) RENESAS

68 / 106 page

R01DS0011EJ0100 Rev.1.00

Page 68 of 102

Dec 21, 2010

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

5. Electrical Characteristics

Notes:

Vcc = 1.8 V to 2.7 V, single chip mode, output pins are open, and other pins are Vss.

XIN is set to square wave input.

Vcc = 2.2 V

VLCD = Vcc, external division resistors are used for VL3 to VL1, 1/3 bias, 1/4 duty, f(FR) = 64 Hz, SEG0 to SEG26 are selected, and segment

and common output pins are open.The standard value does not include the current that flows through external division resistors.

Table 5.23

DC Characteristics (6) [1.8 V

≤ Vcc < 2.7 V]

(Topr =

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

Symbol Parameter

Condition

Standard

Unit

Oscillation

Circuit

On-Chip

Oscillator

CPU Clock

Low-Power-

Consumption

Setting

Other

Min.

Typ.

(3)

Max

XIN (2)

XCIN

High-

Speed

Low-

Speed

ICC

Power

supply

current (1)

High-

speed

clock

mode

8 MHz

Off

125 kHz No division

–

2.1

–

8 MHz

Off

125 kHz Divide-by-8

–

0.9

–

High-

speed

on-chip

oscillator

mode

Off

5 MHz 125 kHz No division

–

1.8

Off

5 MHz 125 kHz Divide-by-8

–

1.1

–

Off

4 MHz 125 kHz Divide-by-16 MSTCR0 = BEh

MSTCR1 = 3Fh

–0.9

–

Low-

speed

on-chip

oscillator

mode

Off

125 kHz No division FMR27 = 1

VCA20 = 0

–

106 300

µA

Off

125 kHz Divide-by-8 FMR27 = 1

VCA20 = 0

–54

200

µA

Low-

speed

clock

mode

Off

32 kHz

Off

No division

FMR27 = 1

VCA20 = 0

–54

200

µA

Off

32 kHz

Off

No division

FMSTP = 1

VCA20 = 0

Flash memory off

Program operation on RAM

–36–

µA

Wait

mode

Off

125 kHz

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

VCA20 = 1

While a WAIT instruction is

executed

Peripheral clock operation

–9.0

µA

Off

125 kHz

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

VCA20 = 1

CM02 = 1

CM01 = 1

While a WAIT instruction is

executed

Peripheral clock off

–2.5

µA

Off

32 kHz

Off

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

VCA20 = 1

CM02 = 1

CM01 = 0

While a WAIT

instruction is

executed

Peripheral

clock off

Timer RH

operation in

real-time clock

mode

LCD drive

control circuit

(4)

When external

division

resistors are

used

–2.4

–

µA

Off

32 kHz

Off

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

VCA20 = 1

CM02 = 1

CM01 = 1

While a WAIT instruction is

executed

Peripheral clock off

Timer RH operation in real-

time clock mode

–1.7

–

µA

Stop

mode

Off

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

CM10 = 1

Topr = 25

°C

Peripheral clock off

–0.5

2.2

µA

Off

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

CM10 = 1

Topr = 85

°C

Peripheral clock off

–1.2

–

µA

Power-

off mode

Off

–

Power-off 0

Topr = 25

°C

–

0.01 0.1

µA

Off

–

Power-off 0

Topr = 85

°C

–0.02

–

µA

Off

32 kHz

Off

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

CM10 = 1

Power-off 2

Topr = 25

°C

–1.2

µA

Off

32 kHz

Off

–

VCA27 = 0

VCA26 = 0

VCA25 = 0

CM10 = 1

Power-off 2

Topr = 85

°C

–2

–

µA

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