RA4M3 datasheet(23/98 Pages) RENESAS

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Electrical Characteristics

Supported peripheral functions and pins differ from one product name to another.

Unless otherwise specified, the electrical characteristics of the MCU are defined under the following conditions:

● VCC = AVCC0 = VCC_USB = VBATT = 2.7 to 3.6 V

● 2.7 ≤ VREFH0/VREFH ≤ AVCC0

● VSS = AVSS0 = VREFL0/VREFL = VSS_USB = 0 V

● Ta = Topr

Figure 2.1 shows the timing conditions.

For example, P100

VOH = VCC × 0.7, VOL = VCC × 0.3

VIH = VCC × 0.7, VIL = VCC × 0.3

Load capacitance C = 30 pF

Figure 2.1

Input or output timing measurement conditions

The recommended measurement conditions for the timing specification of each peripheral provided are for the best

peripheral operation. Make sure to adjust the driving abilities of each pin to meet your conditions.

2.1

Absolute Maximum Ratings

Table 2.1

Absolute maximum ratings

Parameter

Symbol

Value

Unit

Power supply voltage

VCC, VCC_USB*2

–0.3 to +4.0

VBATT power supply voltage

VBATT

–0.3 to +4.0

Input voltage (except for 5 V-tolerant ports*1)

Vin

–0.3 to VCC + 0.3

Input voltage (5 V-tolerant ports*1)

Vin

–0.3 to + VCC + 4.0 (max. 5.8)

Reference power supply voltage

VREFH/VREFH0

–0.3 to VCC + 0.3

Analog power supply voltage

AVCC0*2

–0.3 to +4.0

Analog input voltage

VAN

–0.3 to AVCC0 + 0.3

Operating temperature*3 *4

Topr

–40 to +105

°C

Storage temperature

Tstg

–55 to +125

°C

Note 1. Ports P205, P206, P400, P401, P407 to P415, P511, P512, and P708 to P713 are 5 V tolerant.

Note 2. Connect AVCC0 and VCC_USB to VCC.

Note 3. See section 2.2.1. Tj/Ta Definition.

Note 4. Contact a Renesas Electronics sales office for information on derating operation when Ta = +85°C to +105°C. Derating is the

systematic reduction of load for improved reliability.

RA4M3 Datasheet

2. Electrical Characteristics

R01DS0368EJ0150 Rev.1.50

Apr 25, 2025

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