Datasheet

Section 23 Electrical Characteristics
Rev. 1.50 Sep. 18, 2007 Page 506 of 584
REJ09B0240-0150
Values
Item Symbol Applicable Pins Test Condition Min. Typ. Max. Unit Notes
  135
*
Optional
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 Operates
Active mode 2
V
CC
Operates
(φ/64)
V
CC
Sleep mode 1 Only timers operate
Sleep mode 2
V
CC
Only timers operate
(φ/64)
V
CC
Main clock:
ceramic or crystal resonator
Subclock:
Pin X1 = V
SS
Subactive mode Operates V
CC
Main clock:
ceramic or crystal resonator
Subsleep mode 1
V
CC
Only timers operate V
CC
Subclock:
crystal resonator
On-chip oscillator stop
Subsleep mode 2
Standby mode
V
CC
CPU and timers
both stop
V
CC
Main clock:
ceramic or crystal resonator
Subclock:
Pin X1 = V
SS
On-chip oscillator stop