Datasheet

Section 21 Electrical Characteristics
Rev.5.00 Nov. 02, 2005 Page 321 of 418
REJ09B0028-0500
Values
Item Symbol Applicable Pins Test Condition Min Typ Max Unit Notes
Subsleep
mode
current
consump-
tion
I
SUBSP
V
CC
V
CC
= 3.0 V
32-kHz crystal
resonator
(φ
SUB
= φ
W
/2)
— 30.0 50.0 µA *
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 X
1 = 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:
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