
84
38C2 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
Table 21 Recommended operating conditions (Flash memory version)
(Vcc = 2.5 to 5.5 V, Ta = –20 to 85
°C, unless otherwise noted)
Timer X and Timer Y
Input frequency (duty cycle 50%)
Timer X, Timer Y, Timer 1, Timer 2, Timer 3 and
Timer 4 Clock input frequency
(Count source frequency of each timer)
System clock
φ frequency
Main clock input oscillation frequency (Note 1)
Sub-clock input oscillation frequency (Notes 1, 2)
f(CNTR0)
f(CNTR1)
f(Tclk)
f(
φ)
f(XIN)
f(XCIN)
Limits
MHz
kHz
Parameter
Min.
1.0
Typ.
32.768
Max.
4.0
(4VCC–4)/3
8.0
4.0
(4VCC–4)/3
8.0
50
Symbol
Unit
(4.0 V
≤ VCC ≤ 5.5 V)
(VCC
≤ 4.0 V)
(4.0 V
≤ VCC ≤ 5.5 V)
(4.0 V
≤ VCC ≤ 5.5 V)
(VCC
≤ 4.0 V)
Notes 1: When the oscillation frequency has a duty cycle of 50%.
2: When using the microcomputer in low-speed mode, set the clock input oscillation frequency on condition that f(XCIN) < f(XIN)/3.
IOH = –1 mA
IOH = –0.25 mA
VCC = 2.5 V
IOH = –5 mA
IOH = –1.5 mA
IOH = –1.25 mA
VCC = 2.5 V
IOL = 10 mA
IOL = 3 mA
IOL = 2.5 mA
VCC = 2.5 V
IOL = 15 mA
IOL = 4 mA
VCC = 2.5 V
VI = VCC
VI = VSS
Pull-up “OFF”
VCC = 5.0 V, VI = VSS
Pull-up “ON”
VCC = 3.0 V, VI = VSS
Pull-up “ON”
VI = VSS
“H” output voltage
P00–P07, P10–P17, P20–P27
“H” output voltage
P30–P37, P40–P47, P50–P57, P60–P62
“L” output voltage
P00–P07, P10–P17, P20–P27, P40–P47,
P50, P51, P54–P57, P60–P62
“L” output voltage
P30–P37, P52, P53
Hysteresis
INT0–INT2, CNTR0, CNTR1, P00–P03, P54–P57
Hysteresis
SCLK1, SCLK2, RxD1, RxD2
Hysteresis
RESET
“H” input current
P00–P07, P10–P17, P20–P27, P30–P37, P40–P47,
P50–P57, P60–P62
“H” input current
RESET
“H” input current
XIN
“L” input current
P00–P07, P10–P17, P20–P27, P30–P37, P40–P47,
P50–P57, P60–P62
“L” input current
RESET
“L” input current
XIN
Limits
V
A
Parameter
Min.
VCC–2.0
VCC–0.8
VCC–2.0
VCC–0.5
VCC–0.8
–60
–25
Typ.
0.5
4.0
–85
–40
–4.0
Max.
2.0
0.5
0.8
2.0
0.8
5.0
–5.0
–240
–100
–5.0
Symbol
Unit
Test conditions
VOH
VOL
VT+–VT-
IIH
IIL
Electrical Characteristics
Table 22 Electrical characteristics (Flash memory version)
(Vcc = 4.0 to 5.5 V, Ta = –20 to 85
°C, unless otherwise noted)
(VCC
≤ 4.0 V)
(8VCC–8)/3
MHz