Datasheet

Section 23 Electrical Characteristics
Rev.5.00 Nov. 02, 2005 Page 417 of 500
REJ09B0027-0500
Values
Item Symbol Applicable Pins Test Condition Min Typ Max Unit Notes
Standby
mode
current
consump-
tion
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 current consumption 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
(φOSC/64)
Subclock:
Pin X1 = V
SS
Sleep mode 1 V
CC
Only timers operate V
CC
Sleep mode 2 Only timers operate
(φOSC/64)
Subactive mode V
CC
Operates V
CC
Main clock:
ceramic or crystal
resonator
Subsleep mode V
CC
Only timers operate V
CC
Subclock resonator:
crystal
Standby mode V
CC
CPU and timers
both stop
V
CC
Main clock:
ceramic or crystal
resonator
Subclock:
Pin X1 = V
SS