Datasheet
Table Of Contents
- 1. Overview
- 2. Central Processing Unit (CPU)
- 3. Memory
- 4. Special Function Registers (SFRs)
- 5. Electrical Characteristics
- Package Dimensions

R8C/18 Group, R8C/19 Group 5. Electrical Characteristics
Rev.1.40 Apr 14, 2006 Page 30 of 38
REJ03B0124-0140
Table 5.13 Electrical Characteristics (2) [Vcc = 5 V] (Topr = -40 to 85
°
C, unless otherwise specified.)
Symbol Parameter Condition
Standard
Unit
Min. Typ. Max.
I
CC Power supply current
(V
CC = 3.3 to 5.5 V)
Single-chip mode,
output pins are open,
other pins are V
SS,
comparator is
stopped
High-speed
mode
XIN
= 20 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
− 915mA
XIN
= 16 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
− 814mA
XIN
= 10 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
− 5 − mA
Medium-
speed mode
XIN
= 20 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
− 4 − mA
XIN
= 16 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
− 3 − mA
XIN
= 10 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
− 2 − mA
High-speed
on-chip
oscillator
mode
Main clock off
High-speed on-chip oscillator on = 8 MHz
Low-speed on-chip oscillator on = 125 kHz
No division
− 48mA
Main clock off
High-speed on-chip oscillator on = 8 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
− 1.5 − mA
Low-speed
on-chip
oscillator
mode
Main clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
FMR47 = 1
− 110 300 µA
Wait mode Main clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock operation
VCA27 = VCA26 = 0
− 40 80 µA
Wait mode Main clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock off
VCA27 = VCA26 = 0
− 38 76 µA
Stop mode Main clock off, Topr = 25 °C
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = 0
− 0.8 3.0 µA










