R7KA8M2AFDCAM datasheet(80/295 Pages) RENESAS

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Table 2.33

Standby current (DCDC mode) (4 of 4)

Parameter

Symbol

Typ

Max

Uni

Test conditions

95 °C 105

°C

125

°C

Supply

current*1

RTC

operating

while VCC

is off (with

the battery

backup

function,

only the

RTC

operate)

When a crystal oscillator with low

power mode 3 is in use

IVBAT

0.5

—

μA

VBATT = 1.8 V, VCC = 0 V

0.8

—

VBATT = 3.3 V, VCC = 0 V

When a crystal oscillator with low

power mode 2 is in use

0.6

—

VBATT = 1.8 V, VCC = 0 V

0.9

—

VBATT = 3.3 V, VCC = 0 V

When a crystal oscillator with low

power mode 1 is in use

0.7

—

VBATT = 1.8 V, VCC = 0 V

1.0

—

VBATT = 3.3 V, VCC = 0 V

When a crystal oscillator with

standard mode is in use

0.9

—

VBATT = 1.8 V, VCC = 0 V

1.2

—

VBATT = 3.3 V, VCC = 0 V

When EXCIN is in use

0.3

—

VBATT = 1.8 V, VCC = 0 V

0.5

—

VBATT = 3.3 V, VCC = 0 V

Increase when

the function is

activated

RTCICn (n = 0

to 2) input is in

use per channel

0.0

—

VBATT = 1.8 V, VCC = 0 V

0.0

—

VBATT = 3.3 V, VCC = 0 V

Note 1. Supply current values are with all output pins unloaded and all input pull-up MOSs in the off state.

RA8M2 Datasheet

2. Electrical Characteristics

R01DS0438EJ0130 Rev.1.30

Feb 27, 2026

Page 80 of 295

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