46
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C8 Group
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
Resolution
Absolute accuracy
(excluding quantization error)
Conversion time
Analog port input current
Unit
Bits
LSB
LSB
μ
s
μ
A
Limits
Typ.
Parameter
Min.
30.5
0.5
Max.
10
±4
±6
34
5.0
Symbol
V
CC
= 2.7
–
5.5 V
V
CC
= 2.5
–
2.7 V (Ta =
–
10 to 50
°
C)
f(X
IN
) = 4 MHz
(Note)
Test conditions
—
—
t
conv
I
IA
Table 16 A-D converter characteristics
(Vcc = 2.2 to 5.5 V, Vss = 0 V, Ta =
–
20 to 85
°
C, f(X
IN
)
≤
4 MHz, in middle-speed/high-speed mode)
Note:
When main clock is selected as system clock.
t
w
(RESET)
t
c
(X
IN
)
t
wH
(X
IN
)
t
wL
(X
IN
)
t
c
(CNTR)
t
wH
(CNTR)
t
wL
(CNTR)
t
wH
(INT)
t
wL
(INT)
t
c
(S
CLK
)
t
wH
(S
CLK
)
t
wL
(S
CLK
)
t
su
(RxD-S
CLK
)
t
h
(S
CLK
-RxD)
Note:
When bit 6 of address 001A
16
is
“
1
”
.
Divide this value by four when bit 6 of address 001A
16
is
“
0
”
.
Reset input
“
L
”
pulse width
Main clock input cycle time (X
IN
input)
Main clock input
“
H
”
pulse width
Main clock input
“
L
”
pulse width
CNTR
0
, CNTR
1
input cycle time
CNTR
0
, CNTR
1
input
“
H
”
pulse width
CNTR
0
, CNTR
1
input
“
L
”
pulse width
INT
0
, INT
1
input
“
H
”
pulse width
INT
0
, INT
1
input
“
L
”
pulse width
Serial I/O clock input cycle time
Serial I/O clock input
“
H
”
pulse width
Serial I/O clock input
“
L
”
pulse width
Serial I/O input setup time
Serial I/O input hold time
(Note)
(Note)
(Note)
t
w
(RESET)
t
c
(X
IN
)
t
wH
(X
IN
)
t
wL
(X
IN
)
t
c
(CNTR)
t
wH
(CNTR)
t
wL
(CNTR)
t
wH
(INT)
t
wL
(INT)
t
c
(S
CLK
)
t
wH
(S
CLK
)
t
wL
(S
CLK
)
t
su
(RxD-S
CLK
)
t
h
(S
CLK
-RxD)
Note:
When bit 6 of address 001A
16
is
“
1
”
.
Divide this value by four when bit 6 of address 001A
16
is
“
0
”
.
Limits
Typ.
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Min.
2
125
45
40
250
105
105
80
80
800
370
370
220
100
Max.
Symbol
Unit
Limits
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Min.
2
125
45
40
900/(V
CC
–
0.4)
tc(CNTR)/2
–
20
tc(CNTR)/2
–
20
230
230
2000
950
950
400
200
Typ.
Max.
Symbol
Unit
Table 17 Timing requirements 1
(Vcc = 4.0 to 5.5 V, Vss = 0 V, Ta =
–
20 to 85
°
C, unless otherwise noted)
Reset input
“
L
”
pulse width
Main clock input cycle time (X
IN
input)
Main clock input
“
H
”
pulse width
Main clock input
“
L
”
pulse width
CNTR
0
, CNTR
1
input cycle time
CNTR
0
, CNTR
1
input
“
H
”
pulse width
CNTR
0
, CNTR
1
input
“
L
”
pulse width
NT
0
, INT
1
input
“
H
”
pulse width
NT
0
, INT
1
input
“
L
”
pulse width
Serial I/O clock input cycle time
Serial I/O clock input
“
H
”
pulse width
Serial I/O clock input
“
L
”
pulse width
Serial I/O input setup time
Serial I/O input hold time
(Note)
(Note)
(Note)
Table 18 Timing requirements 2
(Vcc = 2.2 to 4.0 V, Vss = 0 V, Ta =
–
20 to 85
°
C, unless otherwise noted)