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10 port i/o characteristics, And d – 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