Table of Contents
Advertisement
5.10 Port I/O Characteristics
With the M34282T5-OPT, port I/O characteristics are different from actual MCUs because there is
an emulation circuit in ports E
M34282T5-OPT.
Table 5.4 Emulation port I/O characteristics
G
0
D
0
D
4
CARR
Port
Device
Input
74HC541
E
0
Output
TD62787
Input
74HC541
to G
3
Output
TD62787
to D
3
Input
74HC541
to D
7
Output
TD62787
Output
74VHC08
, G
to G
and D
to D
. Table 5.4 lists port I/O characteristics of the
0
0
3
0
7
Item
Voltage
V
= 2.0 V
CC
V
IH
V
= 4.5 V
3.15 V
CC
V
= 2.0 V
CC
V
IL
V
= 4.5 V
CC
I
-
CEX
V
-
CE(sat)
V
= 2.0 V
CC
V
IH
V
= 4.5 V
3.15 V
CC
V
= 2.0 V
CC
V
IL
V
= 4.5 V
CC
I
-
CEX
V
-
CE(sat)
V
= 2.0 V
CC
V
IH
V
= 4.5 V
3.15 V
CC
V
= 2.0 V
CC
V
IL
V
= 4.5 V
CC
-
I
CEX
V
-
CE(sat)
V
= 2.0 V
CC
V
OH
V
= 4.5 V
3.15 V
CC
V
= 2.0 V
CC
V
OL
V
= 4.5 V
CC
( 28 / 38 )
Min.
Max.
1.5 V
-
-
-
0.5 V
-
1.35 V
-
V
= -50 V
-100 µA
OUT
-1.8 V
V
= V
IN
-
V
= V
-2.0 V
IN
1.5 V
-
-
-
0.5 V
-
1.35 V
-
V
= -50 V
-100 µA
OUT
V
= V
-1.8 V
IN
-
V
= V
-2.0 V
IN
1.5 V
-
-
-
0.5 V
-
1.35 V
-
V
= -50 V
-100 µA
OUT
V
= V
-1.8 V
IN
-
V
= V
-2.0 V
IN
I
= -50 µA
1.5 V
-
OH
I
= -8 mA
-
OH
I
= 50 µA
-
0.1 V
OL
I
= 8 mA
-
0.44 V
OL
Remarks
, I
= -100 mA
IL
OUT
, I
= -350 mA
IL
OUT
, I
= -100 mA
IL
OUT
, I
= -350 mA
IL
OUT
, I
= -100 mA
IL
OUT
, I
= -350 mA
IL
OUT
Advertisement
Table of Contents
