R8C/3MQ Group 5. Electrical Characteristics
R01DS0044EJ0200 Rev.2.00 Page 39 of 47
Jun 29, 2012
Table 5.13 Electrical Characteristics (1) [1.8 V ≤ VCC ≤ 3.6 V]
(T
opr = −20°C to 85°C, unless otherwise specified)
Symbol Parameter Condition
Standard
Unit
Min. Typ. Max.
ICC Power supply current
Single-chip mode,
output pins are open,
other pins are VSS
High-speed clock mode
XIN clock oscillator on
f(XIN) = 16 MHz
XCIN clock oscillator on
f(XCIN) = 32 kHz
Low-speed on-chip
oscillator on
fOCO-S = 125 kHz
System clock = XIN
CPU clock = Divide-by-4,
(f(BCLK) = 4 MHz)
1.8 V ≤ VCC ≤ 3.6 V
RF = off — 2.5 — mA
RF = idle — 4.0 — mA
RF = Tx — 18 — mA
RF = Rx (reception standby) — 24 — mA
RF = Rx
(reception in progress)
—25— mA
CPU clock = Divide-by-2,
(f(BCLK) = 8 MHz)
2.15 V ≤ VCC ≤ 3.6 V
RF = off — 3.5 — mA
RF = idle — 5.0 — mA
RF = Tx — 19 — mA
RF = Rx
(reception standby)
—25— mA
RF = Rx
(reception in progress)
—26— mA
CPU clock = No division
(f(BCLK) = 16 MHz)
2.7 V ≤ VCC ≤ 3.6 V
RF = off — 6.0 — mA
RF = idle — 7.5 — mA
RF = Tx — 21.5 — mA
RF = Rx
(reception standby)
— 27.5 — mA
RF = Rx
(reception in progress)
— 28.5 — mA
Low-speed on-chip oscillator mode
XIN clock off, XCIN clock off,
Low-speed on-chip oscillator on: fOCO-S = 125 kHz
System clock = fOCO-S, CPU clock = Divide-by-8
FMR27 = 1, VCA20 = 0
(flash memory low-current-consumption read mode)
RF = off — 80 — µA
Low-speed clock mode
XIN clock off
XCIN clock oscillator on
f(XCIN) = 32 kHz
Low-speed on-chip
oscillator off
System clock = XCIN
CPU clock = No division
FMR27 = 1
VCA20 = 0
(flash memory low-current-
consumption read mode)
RF = off — 95 — µA
FMSTP = 1
VCA20 = 0
(Flash memory off,
program operation on RAM)
RF = off — 45 — µA
Wait mode
XIN clock oscillator on: f(XIN) = 16 MHz
XCIN clock oscillator on: f(XCIN) = 32 kHz
Low-speed on-chip oscillator on: fOCO-S = 125 kHz
System clock = XIN
While a WAIT instruction is executed
RF = Rx
(reception standby)
—23— mA
Wait mode
XIN clock off
XCIN clock oscillator on
f(XCIN) = 32 kHz
Low-speed on-chip
oscillator off
System clock = XCIN
While a WAIT instruction is
executed
Peripheral function clock on
VCA26 = VCA25 = 0
VCA20 = 1
(voltage detection circuit
stopped, internal power
consumption enabled)
RF = off — 6.0 — µA
Peripheral function clock off
VCA26 = VCA25 = 0
VCA20 = 1
(voltage detection circuit
stopped, internal power
consumption enabled)
RF = off — 4.5 — µA
Wait mode
XIN clock off
XCIN clock oscillator on
Low-speed on-chip
oscillator on
fOCO-S = 125 kHz
System clock = fOCO-S
While a WAIT instruction is
executed
Peripheral function clock on
VCA26 = VCA25 = 0
VCA20 = 1
(voltage detection circuit
stopped, internal low power
consumption enabled)
RF = off — 13.0 — µA
Peripheral function clock off
VCA26 = VCA25 = 0
VCA20 = 1
(voltage detection circuit
stopped, internal low power
consumption enabled)
RF = off — 7.5 — µA
Stop mode (Topr = 25°C)
XIN clock off, XCIN clock off,
Low-speed on-chip oscillator off,
VCA26 = VCA25 = 0 (voltage detection circuit stopped)
RF = off — 2.0 — µA
