RA4C1 datasheet(75/97 Pages) RENESAS

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Internal reset signal

(active-low)

VRTC

tRTCVOFF

tRTCPOR

trtcdet

VRTC_POR

tW(VRTC_POR)

1.0 V

trtcdet trtcdet tRTCPOR

Figure 2.52

Voltage detection reset timing and power-on reset timing of VRTC

2.9

EXLVDVBAT Pin Voltage Detection Characteristics

Table 2.59

EXLVDVBAT pin voltage detection characteristics

Conditions: VCC = AVCC = 1.6 to 3.6 V

Parameter

Symbol

Conditi

ons

Min

Typ

Max

Unit

Test conditions

Internal reference

voltage

VLVDVBAT0

Rising

1.61

1.65

1.70

—

Falling

1.55

1.59

1.63

—

VLVDVBAT1

Rising

2.17

2.24

2.31

—

Falling

2.12

2.18

2.24

—

VLVDVBAT2

Rising

2.37

2.44

2.51

—

Falling

2.31

2.38

2.45

—

VLVDVBAT3

Rising

2.56

2.64

2.72

—

Falling

2.50

2.58

2.66

—

VLVDVBAT4

Rising

2.66

2.74

2.82

—

Falling

2.60

2.68

2.76

—

VLVDVBAT5

Rising

2.76

2.84

2.92

—

Falling

2.70

2.78

2.86

—

VLVDVBAT6

Rising

3.05

3.14

3.23

—

Falling

2.99

3.08

3.17

—

Minimum pulse width

tpw_lvdvbat

—

500

—

µs

Figure 2.53

Detection delay time

td_lvdvbat

—

500

µs

Figure 2.53

Operation stabilization

time (after EXLVDVBAT

is enabled)

td(E-A)_lvdvbat

—

500

µs

Figure 2.53

Setting change

stabilization time

td_set_lvdvbat

—

500

µs

—

Pin resistor

rin_lvdvbat

VBTLV

DCR.L

VDE = 1

150

280

MΩ

—

RA4C1 Datasheet

2. Electrical Characteristics

R01DS0457EJ0110 Rev.1.10

Jul 4, 2025

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