RA4T1 datasheet(22/89 Pages) RENESAS

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Table 2.6

I/O VOH, VOL, and other characteristics (2 of 2)

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

Input pull-up

MOS current

Ports P0 to P5, P8 (except for

ports P000 to P003)

–300

—

–10

µA

VCC = 2.7 to 3.6 V

Vin = 0 V

Pull-up current

serving as the

SCL current

source

I3C*4

ICS

—

VCC = 3.0 to 3.6 V

Vin = 0.3 × VCC to 0.7 × VCC

Input

capacitance

Ports P003, P014, P015, P814,

P815

Cin

—

Vbias = 0 V

Vamp = 20 mV

f = 1 MHz

Ta = 25°C

Other input pins

—

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

Note 2. I3C_SCL/SCL0_D, I3C_SDA/SDA0_D (total 2 pins).

Note 3. This is the value when high driving ability is selected in the Port Drive Capability bit in the PmnPFS register. The selected driving

ability is retained in Deep Software Standby mode.

When medium or low driving ability is selected, refer to the values of other output pins.

Note 4. I3C_SCL/SCL0_D (1 pin). This is the value when IIC high speed mode is selected.

Note 5. P0nPFS.ASEL (n = 3) = 1

Note 6. P0nPFS.ASEL (n = 3) = 0

RA4T1 Datasheet

2. Electrical Characteristics

R01DS0415EJ0140 Rev.1.40

May 29, 2026

Page 22 of 89

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