Datasheet
Section 23 Electrical Characteristics 
    Rev. 3.00 Mar. 15, 2006 Page 431 of 526 
   REJ09B0060-0300 
     Values   
Item  Symbol Applicable Pins  Test Condition  Min.  Typ.  Max.  Unit  Notes 
Standby 
mode 
supply 
current 
I
STBY
 V
CC
 32-kHz crystal 
resonator not 
used 
   5.0  µA * 
RAM data 
retaining 
voltage 
V
RAM
 V
CC
  2.0    V  
Note:  *  Pin states during supply current measurement are given below (excluding current in the 
pull-up MOS transistors and output buffers). 
 Mode  RES Pin  Internal State  Other Pins  Oscillator Pins 
  Active mode 1  V
CC
 Operates  V
CC
  Main clock: 
ceramic or crystal resonator 
  Active mode 2    Operates 
(φ
OSC
/64) 
 Subclock:  
Pin X1 = V
SS
  Sleep mode 1  V
CC
  Only timers operate  V
CC
  Sleep mode 2    Only timers operate 
(φ
OSC
/64) 
 Subactive mode V
CC
 Operates  V
CC
  Main clock: 
ceramic or crystal resonator 
 Subsleep mode V
CC
  Only timers operate  V
CC
 Subclock:  
crystal resonator 
 Standby mode V
CC
  CPU and timers 
both stop 
V
CC
  Main clock: 
ceramic or crystal resonator 
Subclock: 
Pin X
1 = V
SS










