PCA9420BS datasheet(26/85 Pages) NXP

26 / 85 page

NXP Semiconductors

PCA9420

Power management IC for low-power microcontroller applications

Address (Hex) Register Name

Description

Type

Reset Value

(Binary)

Mode Configuration Mode Setting 0_0,

MODECFG_0_0

Mode configuration settings for Mode 0_0

R/W

0001 0100

Mode Configuration Mode Setting 0_1,

MODECFG_0_1

Mode configuration settings for Mode 0_1

R/W

0000 1100

Mode Configuration Mode Setting 0_2,

MODECFG_0_2

Mode configuration settings for Mode 0_2

R/W

0100 1111

Mode Configuration Mode Setting 0_3,

MODECFG_0_3

Mode configuration settings for Mode 0_3

R/W

0011 1001

Mode Configuration Mode Setting 1_0,

MODECFG_1_0

Mode configuration settings for Mode 1_0

R/W

0001 1100

Mode Configuration Mode Setting 1_1,

MODECFG_1_1

Mode configuration settings for Mode 1_1

R/W

0100 1100

Mode Configuration Mode Setting 1_2,

MODECFG_1_2

Mode configuration settings for Mode 1_2

R/W

0100 1111

Mode Configuration Mode Setting 1_3,

MODECFG_1_3

Mode configuration settings for Mode 1_3

R/W

0000 1100

Mode Configuration Mode Setting 2_0,

MODECFG_2_0

Mode configuration settings for Mode 2_0

R/W

0001 1100

Mode Configuration Mode Setting 2_1,

MODECFG_2_1

Mode configuration settings for Mode 2_1

R/W

0100 1100

Mode Configuration Mode Setting 2_2,

MODECFG_2_2

Mode configuration settings for Mode 2_2

R/W

0100 1111

Mode Configuration Mode Setting 2_3,

MODECFG_2_3

Mode configuration settings for Mode 2_3

R/W

0000 1100

Mode Configuration Mode Setting 3_0,

MODECFG_3_0

Mode configuration settings for Mode 3_0

R/W

0001 1100

Mode Configuration Mode Setting 3_1,

MODECFG_3_1

Mode configuration settings for Mode 3_1

R/W

0100 1100

Mode Configuration Mode Setting 3_2,

MODECFG_3_2

Mode configuration settings for Mode 3_2

R/W

0100 1111

Mode Configuration Mode Setting 3_3,

MODECFG_3_3

Mode configuration settings for Mode 3_3

R/W

0000 1100

Reset monitor

Reset reason monitor

R RO R/W

1000 0000

Table 8. Register map...continued

9.5 Register description

9.5.1 Device information (DEV_INFO, address 00h)

The device identification code stores a unique identifier for each version and/or revision of device, so that the

connected MCU recognizes it automatically.

This is a READ ONLY register.

Bit

Symbol

Default value Type

Function

DEV_ID [4]

DEV_ID [3]

DEV_ID [2]

Device ID

Table 9. DEV_INFO register bit description

PCA9420

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 4.2 — 26 July 2023

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