
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7540 Group
MITSUBISHI MICROCOMPUTERS
44
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Recommended Operating Conditions (General purpose)
Table 7 Recommended operating conditions (1) (V
CC
= 2.2 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
V
CC
V
CC
4.0
2.4
2.2
4.0
2.4
2.2
4.0
2.4
2.2
2.0
0.8V
CC
2.0
0.8V
CC
0
0
0
0
Min.
Typ.
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0
Max.
Symbol
Parameter
Unit
Power source voltage
(ceramic)
f(X
IN
) =
8 MHz (High-, Middle-speed mode)
f(X
IN
) =
4 MHz (High-, Middle-speed mode)
f(X
IN
) = 2 MHz
(High-, Middle-speed mode)
f(X
IN
) = 4 MHz (Double-
speed mode
)
f(X
IN
) = 2 MHz (Double-
speed mode
)
f(X
IN
) = 1 MHz (Double-
speed mode
)
f(X
IN
) = 4 MHz (
High-, Middle-speed mode
)
f(X
IN
) = 2 MHz (
High-, Middle-speed mode
)
f(X
IN
) = 1 MHz (
High-, Middle-speed mode
)
Limits
V
CC
V
V
V
V
V
V
V
V
V
V
V
V
Power source voltage
Analog reference voltage
“H” input voltage
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
,
P3
0
–P3
7
“H” input voltage (TTL input level selected)
P1
0
, P1
2
, P1
3
, P3
6
, P3
7
(Note 1)
“H” input voltage
RESET, X
IN
“L” input voltage
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
,
P3
0
–P3
7
“L” input voltage (TTL input level selected)
“L” input voltage
“L” input voltage
“H” total peak output current (Note 2)
P1
0
, P1
2
, P1
3
, P3
6
, P3
7
(Note 1)
RESET, CNV
SS
X
IN
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
,
P3
0
–P3
7
“L” total peak output current (Note 2)
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
,
P3
7
“L” total peak output current (Note 2)
P3
0
–P3
6
“H” total average output current (Note 2)
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
,
P3
0
–P3
7
“L” total average output current (Note 2)
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
,
P3
7
“L” total average output current (Note 2)
P3
0
–P3
6
Note 1:
Vcc = 4.0 to 5.5V
2:
The total output current is the sum of all the currents flowing through all the applicable ports. The total average current is an average
value measured over 100 ms. The total peak current is the peak value of all the currents.
V
CC
V
CC
0.3V
CC
0.8
0.2V
CC
0.16V
CC
–80
80
60
–40
40
30
V
SS
V
REF
V
IH
V
IH
V
IH
V
IL
V
IL
V
IL
V
IL
∑
I
OH(peak)
∑
I
OL(peak)
∑
I
OL(peak)
∑
I
OH(avg)
∑
I
OL(avg)
∑
I
OL(avg)
Power source voltage (RC)
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA