PCA9420 datasheet(32/87 Pages) NXP

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NXP Semiconductors

PCA9420

Power management IC for low-power microcontroller applications

Bit

Symbol

Default value Type

Function

VOUTSW2

W/C

SW2 Output Voltage Interrupt

0: The VOUTSW2_OK bit has not changed since the last time this bit

was cleared.

1: The VOUTSW2_OK bit has changed since the last time this bit was

cleared.

VOUTLDO1

W/C

LDO1 Output Voltage Interrupt

0: The VOUTLDO1_OK bit has not changed since the last time this bit

was cleared.

1: The VOUTLDO1_OK bit has changed since the last time this bit was

cleared.

VOUTLDO2

W/C

LDO2 Output Voltage Interrupt

0: The VOUTLDO2_OK bit has not changed since the last time this bit

was cleared.

1: The VOUTLDO2_OK bit has changed since the last time this bit was

cleared.

Table 15. Sub_INT2 register bit description...continued

9.5.8 Sub level interrupt_2 mask (Sub_INT2_Mask, address 07h)

This is a READ AND WRITE register.

Bit

Symbol

Default value Type

Function

RSVD

R/W

Reserved bit

RSVD

R/W

Reserved bit

RSVD

R/W

Reserved bit

RSVD

R/W

Reserved bit

VOUTSW1 _MASK

R/W

VOUTSW1 Voltage Interrupt Mask bit

0: Not Masked

1: Masked

VOUTSW2 _MASK

R/W

VOUTSW2 Voltage Interrupt Mask bit

0: Not Masked

1: Masked

VOUTLDO1 _MASK

R/W

VOUTLDO1 Voltage Interrupt Mask bit

0: Not Masked

1: Masked

VOUTLDO2_MASK

R/W

VOUTLDO2 Voltage Interrupt Mask bit

0: Not Masked

1: Masked

Table 16. Sub_INT2_Mask register bit description

08h register: Reserved

9.5.9 Top level control_0 (TOP_CTL0, address 09h)

This register contains various configuration bits for top level related functions, part 0. This

is a READ AND WRITE register.

PCA9420

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Product data sheet

Rev. 4.0 — 28 November 2022

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