R8C/3MQ Group 5. Electrical Characteristics
R01DS0044EJ0200 Rev.2.00 Page 28 of 47
Jun 29, 2012
Notes:
1. V
CC = 1.8 to 3.6 V and Topr = −20°C to 85°C, unless otherwise specified.
2. The average output current indicates the average value of current measured during 100 ms.
Table 5.2 Recommended Operating Conditions (1)
Symbol Parameter Conditions
Standard
Unit
Min. Typ. Max.
VCC Digital supply
voltage
(1) During MCU operation under the
conditions other than (2) and (3)
below.
1.8 3.3 3.6 V
(2) During programming and erasing of
the flash memory using a serial
programmer or parallel programmer.
2.7 — 3.6
(3) During on-chip debugging with the
E8a emulator connected
2.7 — 3.6
VCCRF Analog supply voltage 1.8 3.3 3.6 V
VSS/
VSS2/
VSSRF/
VSSRF1/
VSSRF2/
DIEGND
Supply voltage VSS1, VSS2, VSSRF, VSSRF1,
VSSRF2, DIEGND
—0—V
V
IH Input “H” voltage Other than CMOS input 0.8 VCC —VCC V
CMOS
input
Input level
switching
function
(I/O port)
Input level selection:
0.35 V
CC
2.7 V ≤ VCC ≤ 3.6 V 0.55 VCC —VCC V
1.8 V ≤ V
CC < 2.7 V 0.65 VCC —VCC V
Input level selection:
0.5 V
CC
2.7 V ≤ VCC ≤ 3.6 V 0.7 VCC —VCC V
1.8 V ≤ V
CC < 2.7 V 0.8 VCC —VCC V
Input level selection:
0.7 V
CC
2.7 V ≤ VCC ≤ 3.6 V 0.85 VCC —VCC V
1.8 V ≤ V
CC < 2.7 V 0.85 VCC —VCC V
V
IL Input “L” voltage Other than CMOS input 0 — 0.2 VCC V
CMOS
input
Input level
switching
function
(I/O port)
Input level selection:
0.35 V
CC
2.7 V ≤ VCC ≤ 3.6 V 0 — 0.2 VCC V
1.8 V ≤ V
CC < 2.7 V 0 — 0.2 VCC V
Input level selection:
0.5 V
CC
2.7 V ≤ VCC ≤ 3.6 V 0 — 0.3 VCC V
1.8 V ≤ V
CC < 2.7 V 0 — 0.2 VCC V
Input level selection:
0.7 V
CC
2.7 V ≤ VCC ≤ 3.6 V 0 — 0.45 VCC V
1.8 V ≤ V
CC < 2.7 V 0 — 0.35 VCC V
I
OH(sum) Peak sum output “H”
current
Sum of all pins IOH(peak) ——−160 mA
I
OH(sum) Average sum output “H”
current
Sum of all pins IOH(avg) ——−80 mA
I
OH(peak) Peak output “H” current Drive capacity Low — — −10 mA
Drive capacity High — — −40 mA
I
OH(avg) Average output “H”
current
Drive capacity Low — — −5mA
Drive capacity High — — −20 mA
I
OL(sum) Peak sum output “L”
current
Sum of all pins IOL(peak) — — 160 mA
I
OL(sum) Average sum output “L”
current
Sum of all pins IOL(avg) ——80mA
I
OL(peak) Peak output “L” current Drive capacity Low — — 10 mA
Drive capacity High — — 40 mA
I
OL(avg) Average output “L”
current
Drive capacity Low — — 5 mA
Drive capacity High — — 20 mA
f
(XIN) XIN clock input oscillation frequency 1.8 V ≤ VCC ≤ 3.6 V — 16 — MHz
f
(XCIN) XCIN clock input oscillation frequency 1.8 V ≤ VCC ≤ 3.6 V 30 32.768 35 kHz
— System clock frequency f(XIN)=16 MHz 1.8 V ≤ V
CC ≤ 3.6 V — — 16 MHz
f
(BCLK) CPU clock frequency f(XIN)=16 MHz 2.7 V ≤ VCC ≤ 3.6 V — — 16 MHz
2.15 V ≤ V
CC < 2.7 V — — 8
1.8 V ≤ V
CC < 2.15 V — — 4
