Renesas MCU Board for PC4400 Emulator System M34282T5-OPT, User Manual

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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
0
, G
0
to G
3
and D
0
to D
7
. Table 5.4 lists port I/O characteristics of the
M34282T5-OPT.
Table 5.4 Emulation port I/O characteristics
Port
E
0
Input 74HC541
Device Item Voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 2.0 V
V
CC
= 4.5 V
-
Min.
1.5 V
3.15 V
-
-
-
Max.
-
-
0.5 V
1.35 V
-100 µ A
-1.8 V
-2.0 V
-
-
0.5 V
1.35 V
-100
µ
A
-1.8 V
-2.0 V
-
-
0.5 V
1.35 V
-100 µ A
-1.8 V
-2.0 V
-
-
0.1 V
0.44 V
Remarks
V
OUT
= -50 V
V
IN
= V
IL
, I
OUT
= -100 mA
V
IN
= V
IL
, I
OUT
= -350 mA
V
OUT
= -50 V
V
IN
= V
IL
, I
OUT
= -100 mA
V
IN
= V
IL
, I
OUT
= -350 mA
V
OUT
= -50 V
V
IN
= V
IL
, I
OUT
= -100 mA
V
IN
= V
IL
, I
OUT
= -350 mA
I
OH
= -50
µ
A
I
OH
= -8 mA
I
OL
= 50 µ A
I
OL
= 8 mA
-
-
1.5 V
3.15 V
-
-
-
-
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 2.0 V
V
CC
= 4.5 V
-
-
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 2.0 V
V
CC
= 4.5 V
-
-
V
IH
V
IL
I
CEX
V
CE(sat)
TD62787
74HC541
TD62787
74VHC08
Output
Input
Input
Output
G
0
to G
3
D
4
to D
7
-
1.5 V
3.15 V
-
-
-
1.5 V
3.15 V
-
-
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 2.0 V
V
CC
= 4.5 V
V
IH
V
IL
I
CEX
V
CE(sat)
V
IH
V
IL
I
CEX
V
CE(sat)
V
OH
V
OL
74HC541
TD62787
Output
Output CARR
D
0
to D
3