RA4C1 datasheet(24/97 Pages) RENESAS

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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.

2.2.4

I/O VOH, VOL, and Other Characteristics

Table 2.6

I/O VOH, VOL (1)

Conditions: VCC = AVCC0 = 2.7 to 3.6 V

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

Output voltage

P400, P401

VOH

VCC − 0.27

—

IOH = −3.0 mA

VCC − 0.8

—

IOH = −4.0 mA

Ports P000 to P004, P010,

P011

VOH

AVCC0 − 0.8

—

IOH = −4.0 mA

Output pins except for P000

to P004 and P010, P011,

P400, P401*1

VOH

VCC − 0.8

—

IOH = −4.0 mA

P400, P401

VOL

—

0.27

IOL = 3.0 mA

—

0.4

—

IOL = 20 mA

(ICFER.FMPE = 1)

—

0.8

IOL = 8.0 mA

P301, P302

VOL

—

0.4

—

IOL = 20 mA

(ICFER.FMPE = 1)

—

0.8

IOL = 8.0 mA

Ports P000 to P004, P010,

P011

VOL

—

0.8

IOL = 8.0 mA

Output pins except for P000

to P004 and P010, P011,

P301, P302, P400, P401*1

VOL

—

0.8

IOL = 8.0 mA

Note 1. Except for Ports P200, P214, P215, and RTCIC0, which are input ports.

Table 2.7

I/O VOH, VOL (2)

Conditions: VCC = AVCC0 = 1.8 to 2.7 V

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

Output

voltage

Ports P000 to P004, P010, P011 VOH

AVCC0 − 0.5

—

IOH = −1.0 mA

Output pins except for P000 to

P004 and P010, P011*1

VOH

VCC − 0.5

—

IOH = −1.0 mA

P301, P302, P400, P401

VOL

—

0.4

—

IOL = 3.0 mA

—

0.6

—

IOL = 6.0 mA

—

0.4

IOL = 0.6 mA

Ports P000 to P004, P010, P011 VOL

—

0.4

IOL = 0.6 mA

Output pins except for P000 to

P004 and P010, P011, P301,

P302, P400, P401*1

VOL

—

0.4

IOL = 0.6 mA

Note 1. Except for Ports P200, P214, P215, and RTCIC0, which are input ports.

RA4C1 Datasheet

2. Electrical Characteristics

R01DS0457EJ0110 Rev.1.10

Jul 4, 2025

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