RA4E2 datasheet(29/91 Pages) RENESAS

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Table 2.13

Outline of operation for each unit (2 of 2)

Peripheral

Outline of operation

I3C

Communication format is set to I3C-bus format.

I3C is transmitting data in Master mode.

CANFD

CANFD is transmitting and receiving data in Self-test mode 1.

SPI

SPI mode is set to SPI operation (4-wire method).

SPI master/slave mode is set to Master mode.

SPI is transmitting 8-bit width data.

SSIE

Communication mode is set to Master.

System word length is set to 32 bits.

Data word length is set to 20 bits.

SSIE is transmitting data using I2S format.

CEC

CEC operation clock is set to CECCLK.

CEC is transmitting and receiving header block and data block.

ADC12

Resolution is set to 12-bit accuracy.

Data register is set to A/D-converted value addition mode.

ADC12 is converting the analog input in continuous scan mode.

DAC12

DAC12 is outputting the conversion result while updating the value of data register.

TSN

TSN is operating.

ELC

Only clear module stop bit.

TRNG

TRNG is executing built-in self test.

CRC

CRC is generating CRC code using 32-bit CRC32-C polynomial.

DOC

DOC is operating in data addition mode.

CAC

Measurement target clock is set to PCLKB.

Measurement reference clock is set to PCLKB.

CAC is measuring the clock frequency accuracy.

DMAC

Bit length of transfer data is set to 32 bits.

Transfer mode is set to Block transfer mode.

DMAC is transferring data from SRAM0 to SRAM0.

DTC

Bit length of transfer data is set to 32 bits.

Transfer mode is set to Block transfer mode.

DTC is transferring data from SRAM0 to SRAM0.

2.2.7.2

Example of Tj Calculation

Assumption :

● Package 64-pin LQFP : θja = 41.3 °C/W

● Ta = 100 °C

● ICCmax = 40 mA

● VCC = 3.5 V (VCC = AVCC0 = VCC_USB)

● IOH = 1 mA, VOH = VCC – 0.5 V, 8 Outputs

● IOL = 20 mA, VOL = 1.0 V, 6 Outputs

● IOL = 1 mA, VOL = 0.5 V, 8 Outputs

● Cin = 8 pF, 8 pins, Input frequency = 10 MHz

● Cload = 30 pF, 8 pins, Output frequency = 10 MHz

Leakage current of IO = Σ (VOL × IOL) / Voltage + Σ ((VCC - VOH) × IOH) / Voltage

= (20 mA × 1 V) × 6 / 3.5 V + (1 mA × 0.5 V) × 8 / 3.5 V + ((VCC - (VCC - 0.5 V)) × 1 mA) × 8 / 3.5 V

= 34.29 mA + 1.14 mA + 1.14 mA

= 36.6 mA

RA4E2 Datasheet

2. Electrical Characteristics

R01DS0413EJ0150 Rev.1.50

May 29, 2026

Page 29 of 91

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