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2.2.2

I/O VIH, VIL

Table 2.4

I/O VIH, VIL

Conditions: VCC = AVCC0 = 1.6 to 5.5 V

Parameter

Ports & Functions

Symbol

Min

Max

Unit

Test conditions

Input voltage

Input ports pins

P000 to P004, P010 to

P015

VIH

AVCC0 × 0.8

—

VIL

—

AVCC0 × 0.2

Input ports pins except for

P000 to P004, P010 to

P015

VIH

VCC × 0.8

—

VIL

—

VCC × 0.2

EXTAL

VIH

VCC × 0.8

—

VIL

—

VCC × 0.2

5 V-tolerant ports*2

VIH

VCC × 0.8

5.8

VIL

—

VCC × 0.2

RES, NMI, IRQ

VIH

VCC × 0.8

—

VIL

—

VCC × 0.2

ΔVT*4

VCC × 0.10

—

VCC = 2.7 to 5.5 V

VCC × 0.05

—

VCC = 1.6 to 2.7 V

Peripheral

functions

AGT,

GPT,

SPI,

Others

VIH

VCC × 0.8

—

VIL

—

VCC × 0.2

ΔVT*4

VCC × 0.10

—

VCC = 2.7 to 5.5 V

VCC × 0.05

—

VCC = 1.6 to 2.7 V

I3C

(except

for

SMBus

)*1

VIH

VCC × 0.7

5.8

—

VIL

—

VCC × 0.3

ΔVT*4

VCC × 0.10

—

VCC = 2.7 to 5.5 V

VCC × 0.05

—

VCC = 1.6 to 2.7 V

I3C

(SMBu

s)*1

VIH

2.2

—

VCC = 3.6 to 5.5 V

VIL

2.0

—

VCC = 2.7 to 3.6 V

VIL

—

0.8

VCC = 3.6 to 5.5 V

VIL

—

0.5

VCC = 2.7 to 3.6 V

Note 1. SCL0_A, SDA0_A, SCL0_B, SDA0_B, SCL0_C, SDA0_C (total 6 pins)

Note 2. P400, P401, P407, P109, P110, P912, and P913 (total 7 pins)

Note 3. See section x.x Peripheral Select Settings for Each Product.

Note 4. I/O port with ΔVT has Schmitt Trigger capability when PMR = 1 or ISEL = 1. For peripheral selection, see section x.x Peripheral

Select Settings for Each Product.

RA2L2 Datasheet

2. Electrical Characteristics

R01DS0445EJ0120 Rev.1.20

Jun 9, 2026

Page 21 of 108

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