
R8C/38A Group
5. Electrical Characteristics
REJ03B0274-0110 Rev.1.10 Sep 28, 2009
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
Table 5.18
Electrical Characteristics (2) [3.3 V
≤ VCC ≤ 5.5 V]
(Topr =
20 to 85°C (N version), unless otherwise specified.)
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
ICC
Power supply current
(VCC = 3.3 to 5.5 V)
Single-chip mode,
output pins are open,
other pins are VSS
High-speed
clock mode
XIN = 20 MHz (square wave)
Low-speed on-chip oscillator on = 125 kHz
No division
—7
15
mA
XIN = 16 MHz (square wave)
Low-speed on-chip oscillator on = 125 kHz
No division
—
5.6
12.5
mA
XIN = 10 MHz (square wave)
Low-speed on-chip oscillator on = 125 kHz
No division
—3.6
—
mA
XIN = 20 MHz (square wave)
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
—3—
mA
XIN = 16 MHz (square wave)
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
—2.2
—
mA
XIN = 10 MHz (square wave)
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
—1.5
—
mA
Low-speed
on-chip
oscillator mode
XIN clock off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8, FMR27 = 1, VCA20 = 0
—90
400
A
Low-speed
clock mode
XIN clock off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
FMR27 = 1, VCA20 = 0
—85
400
A
XIN clock off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
Program operation on RAM
Flash memory off, FMSTP = 1, VCA20 = 0
—47—
A
Wait mode
XIN clock off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock operation
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
—15
100
A
XIN clock off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
—4
90
A
XIN clock off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz (peripheral clock off)
While a WAIT instruction is executed
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
—4—
A
Stop mode
XIN clock off, Topr = 25
°C
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
—2
5
A
XIN clock off, Topr = 85
°C
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
—15—
A