RA4L1 datasheet(33/125 Pages) RENESAS

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Table 2.5

I/O IOH, IOL (8 of 8)

Conditions: VCC = AVCC0 = 1.6 to 3.6 V

Parameter

Symbol

Min

Typ

Max

Unit

Test

conditions

Permissible output

current (max value

total pins)*1

48 pin products

Total of ports

P400, P401,

P407 to P409,

P814, P815

ΣIOH (max)

—

−30

VCC = 2.7 to

3.6 V

—

−8

VCC = 1.8 to

2.7 V

—

−4

VCC = 1.6 to

1.8 V

ΣIOL (max)

—

VCC = 2.7 to

3.6 V

—

VCC = 1.8 to

2.7 V

—

VCC = 1.6 to

1.8 V

Total of ports

P108 to P112,

P201, P206,

P207, P300 to

P302

ΣIOH (max)

—

−30

VCC = 2.7 to

3.6 V

—

−8

VCC = 1.8 to

2.7 V

—

−4

VCC = 1.6 to

1.8 V

ΣIOL (max)

—

VCC = 2.7 to

3.6 V

—

VCC = 1.8 to

2.7 V

—

VCC = 1.6 to

1.8 V

Total of ports

P100 to P103,

P500, P506 to

P509

ΣIOH (max)

—

−30

VCC = 2.7 to

3.6 V

—

−8

VCC = 1.8 to

2.7 V

—

−4

VCC = 1.6 to

1.8 V

ΣIOL (max)

—

VCC = 2.7 to

3.6 V

—

VCC = 1.8 to

2.7 V

—

VCC = 1.6 to

1.8 V

Total of all output

ΣIOH (max)

—

−60

ΣIOL (max)

—

100

Note 1. Specification under conditions where the duty factor ≤ 70%.

The output current value that has changed to the duty factor > 70% the duty ratio can be calculated with the following expression

(when changing the duty factor from 70% to n%).

Total output current of pins = (IOH × 0.7)/(n × 0.01)

<Example> Where n = 80% and IOH = −30.0 mA

Total output current of pins = (−30.0 × 0.7)/(80 × 0.01)

≅ −26.2 mA

However, the current that is allowed to flow into one pin does not vary depending on the duty factor.

Caution: To protect the reliability of the MCU, the output current values should not exceed the values in Table 2.5.

RA4L1 Datasheet

2. Electrical Characteristics

R01DS0447EJ0131 Rev.1.31

May 26, 2026

Page 33 of 125

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