MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
64
PRELIMINARY
Notice: This s not a final specification.
Some parametric imits are subject to change.
Table 12 Recommended Operating Conditions (2)
(V
CC
= 4.0 to 5.5V, Ta = –20 to 85°C, unless otherwise noted)
Clock input frequency for timers 2, 4, and X (duty cycle 50 %)
Main clock input oscillation frequency (Note 1)
Sub-clock input oscillation frequency (Note 1, 2)
Symbol
Parameter
Limits
Typ.
Unit
f(CNTR
0
)
f(CNTR
1
)
f(X
IN
)
f(X
CIN
)
kHz
MHz
kHz
250
4.2
50
Max.
Min.
32.768
Notes 1:
When the oscillation frequency has a duty cycle of 50%.
2:
When using the microcomputer in low-speed mode, set the sub-clock input oscillation frequency on condition that f(X
CIN
) < f(X
IN
)/3.
ELECTRICAL CHARACTERISTICS
Table 13 Electrical Characteristics (1)
(V
CC
= 4.0 to 5.5V, Ta = –20 to 85°C, unless otherwise noted)
Min.
Typ.
Max.
Symbol
Parameter
Limits
Unit
“H” output voltage P0
0
–P0
7
, P1
0
–P1
7
, P2
0
–P2
7
,
P3
0
–P3
7
, P8
0
–P8
3
“H” output voltage P5
0
–P5
7
, P6
0
–P6
5
, P7
0
–P7
7
,
P8
4
–P8
7
, P9
0,
P9
1
“L” output voltage P5
0
–P5
7
, P6
1
–P6
5
, P8
4
–P8
7
,
P9
0,
P9
1
“L” output voltage P4
0
–P4
6
, P6
0
Hysteresis
P4
0
–P4
2
, P4
4
–P4
7
, P5, P6
0
,
P6
1
, P6
4
RESET, X
IN
X
CIN
P4
7
, P5
0
–P5
7
, P6
1
–P6
5
,
P7
0
–P7
7
, P8
4
–P8
7
P4
0
–P4
6
, P6
0
P2
0
–P2
7
, P8
0
–P8
3
(Note)
RESET, X
CIN
X
IN
P4
0
–P4
7
, P6
0
P5
0
–P5
7
, P6
1
–P6
5
, P7
0
–P7
7
,
P8
4
–P8
7
, P9
0
, P9
1
Hysteresis
Hysteresis
“H” input current
“H” input current
“H” input current
“H” input current
“H” input current
“L” input current
“L” input current
“L” input current
“L” input current
“L” input current
Output load current
P2
0
–P2
7
, P8
0
–P8
3
(Note)
RESET, X
CIN
X
IN
P0
0
–P0
7
, P1
0
–P1
7
, P3
0
–P3
7
Output leak current
P0
0
–P0
7
, P1
0
–P1
7
, P2
0
–P2
7
,
P3
0
–P3
7
, P8
0
–P8
3
“H” read current
RAM hold voltage
V
OH
V
OH
V
OL
V
OL
V
T+
–V
T–
V
T+
–V
T–
V
T+
–V
T–
I
IH
I
IH
I
IH
I
IH
I
IH
I
IL
I
IL
I
IL
I
IL
I
IL
I
LOAD
I
LEAK
I
READH
V
RAM
Note:
Except when reading ports P2 or P8.
I
OH
= –18 mA
I
OH
= –10 mA
I
OL
= 10 mA
I
OL
= 15 mA
V
I
= V
CC
V
I
= 12 V
V
I
= V
CC
V
I
= V
CC
V
I
= V
CC
V
I
= V
SS
V
I
= V
SS
Pull-up “off”
V
CC
= 5 V
,
V
I
= V
SS
Pull-up “on”
V
CC
= 3 V
,
V
I
= V
SS
Pull-up “on”
V
I
= V
SS
V
I
= V
SS
V
I
= V
SS
V
EE
= V
CC–
43 V
,
V
OL
= V
CC
Output transistors “off”
V
EE
= V
CC–
43 V
,
V
OL
= V
CC
–
43 V
Output transistors “off”
V
I
= 5 V
When clock is stopped
Test conditions
V
CC
–2.0
V
CC
–2.0
2.0
2.0
5.0
10.0
5.0
5.0
–5.0
–5.0
–140
–45
–5.0
–5.0
900
–10
5.5
0.6
0.4
0.5
0.5
4.0
–70
–25
–4.0
600
1
–30
–6.0
300
2
V
V
V
V
V
V
V
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
V