RA4T1 datasheet(30/89 Pages) RENESAS

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= 34.29 mA + 1.14 mA + 1.14 mA

= 36.6 mA

Dynamic current of IO = Σ IO (Cin + Cload) × IO switching frequency × Voltage

= ((8 pF × 8) × 10 MHz + (30 pF × 8) × 10 MHz) × 3.5 V

= 10.6 mA

Total power consumption

= Voltage × (Leakage current + Dynamic current)

= (40 mA × 3.5 V) + (36.6 mA + 10.6 mA) × 3.5 V

= 305 mW (0.305 W)

Tj = Ta + θja × Total power consumption

= 100 °C + 41.3 °C/W × 0.305 W

= 112.6 °C

2.3

AC Characteristics

2.3.1

Frequency

Table 2.14

Operation frequency value in high-speed mode

Parameter

Symbol

Min

Typ

Max

Unit

Operation frequency

System clock (ICLK)

—

100

MHz

Peripheral module clock (PCLKA)

—

100

Peripheral module clock (PCLKB)

—

Peripheral module clock (PCLKC)

—*2

—

Peripheral module clock (PCLKD)

—

100

Flash interface clock (FCLK)

—*1

—

Note 1. FCLK must run at a frequency of at least 4 MHz when programming or erasing the flash memory.

Note 2. When the ADC12 is used, the PCLKC frequency must be at least 1 MHz.

Table 2.15

Operation frequency value in low-speed mode

Parameter

Symbol

Min

Typ

Max

Unit

Operation frequency

System clock (ICLK)

—

MHz

Peripheral module clock (PCLKA)

—

Peripheral module clock (PCLKB)

—

Peripheral module clock (PCLKC) *2

—*2

—

Peripheral module clock (PCLKD)

—

Flash interface clock (FCLK)*1

—

Note 1. Programming or erasing the flash memory is disabled in low-speed mode.

Note 2. When the ADC12 is used, the PCLKC frequency must be set to at least 1 MHz.

RA4T1 Datasheet

2. Electrical Characteristics

R01DS0415EJ0140 Rev.1.40

May 29, 2026

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