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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 E0, G0 to G3 and D0 to D7. Table 5.4 lists port I/O characteristics of the

M34282T5-OPT.

Table 5.4 Emulation port I/O characteristics

Port

Input 74HC541

Device Item Voltage

VCC = 2.0 V

VCC = 4.5 V

CC = 2.0 V

VCC = 4.5 V

Min.

1.5 V

3.15 V

Max.

0.5 V

1.35 V

-100 µA

-1.8 V

-2.0 V

0.5 V

1.35 V

-100 µA

-1.8 V

-2.0 V

0.5 V

1.35 V

-100 µA

-1.8 V

-2.0 V

0.1 V

0.44 V

Remarks

OUT = -50 V

VIN = VIL, IOUT = -100 mA

IN = VIL, IOUT = -350 mA

OUT = -50 V

VIN = VIL, IOUT = -100 mA

VIN = VIL, IOUT = -350 mA

OUT = -50 V

VIN = VIL, IOUT = -100 mA

VIN = VIL, IOUT = -350 mA

IOH = -50 µA

OH = -8 mA

IOL = 50 µA

IOL = 8 mA

1.5 V

3.15 V

VCC = 2.0 V

CC = 4.5 V

VCC = 2.0 V

VCC = 4.5 V

CC = 2.0 V

VCC = 4.5 V

VCC = 2.0 V

CC = 4.5 V

VIL

ICEX

VCE(sat)

TD62787

74HC541

TD62787

74VHC08

Output

Input

Output

0 to G3

D4 to D7

1.5 V

3.15 V

1.5 V

3.15 V

VCC = 2.0 V

VCC = 4.5 V

VCC = 2.0 V

CC = 4.5 V

VIL

ICEX

VCE(sat)

VIH

VIL

ICEX

VCE(sat)

VOH

VOL

74HC541

TD62787

Output

CARR

D0 to D3

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 37 38

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Renesas PC4400 User Manual Page 28

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