DA14531 datasheet(21/374 Pages) DIALOG

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DA14531

Ultra Low Power Bluetooth 5.1 SoC

Final

Datasheet

Revision 3.1

09-Jul-2020

CFR0011-120-00

21 of 374

Table 1: DA14531 WLCSP17 Ball Description

Ball

no.

Pin Name

Type

Reset

State

Description

General Purpose I/Os (Note 3)

P0_0

DIO (Type B) I-PD

INPUT/OUTPUT with selectable pull up/down resistors.

Pull-down enabled during and after reset. General

purpose I/O port bit or alternate function nodes.

Contains state retention mechanism during power-

down.

RST

DIO (Type B)

RST active high hardware reset (default).

P0_1

DIO (Type B) I-PD

INPUT/OUTPUT with selectable pull up/down resistors.

Pull-down enabled during and after reset. General

purpose I/O port bit or alternate function nodes.

Contains state retention mechanism during power

down.

ADC0

INPUT. Analog to Digital Converter input 0.

SWDIO

DIO

INPUT/OUTPUT. JTAG Data input/output. Bidirectional

data and control communication.

P0_2

DIO (Type B) I-PD

INPUT/OUTPUT with selectable pull up/down resistors.

Pull-down enabled during and after reset. General

purpose I/O port bit or alternate function nodes.

Contains state retention mechanism during power

down.

ADC1

INPUT. Analog to Digital Converter input 1.

SWCLK

DIO

INPUT JTAG clock signal (by default).

P0_3

DIO (Type B) I-PD

INPUT/OUTPUT with selectable pull up/down resistors.

Pull-down enabled during and after reset. General

purpose I/O port bit or alternate function nodes.

Contains state retention mechanism during power

down. Check GP_DATA_REG[P03_P04_FILT_DIS] for

correct pad filter settings.

XTAL32kp

INPUT. Analog input of the XTAL32K crystal oscillator.

INPUT. Digital input for an external clock (square

wave).

P0_4

DIO (Type B) I-PD

INPUT/OUTPUT with selectable pull up/down resistors.

Pull-down enabled during and after reset. General

purpose I/O port bit or alternate function nodes.

Contains state retention mechanism during power

down. Check GP_DATA_REG[P03_P04_FILT_DIS] for

correct pad filter settings.

XTAL32km

OUTPUT. Analog output of the XTAL32K crystal

oscillator.

P0_5

DIO (Type B) I-PD

INPUT/OUTPUT with selectable pull up/down resistors.

Pull-down enabled during and after reset. General

purpose I/O port bit or alternate function nodes.

Contains state retention mechanism during power

down.

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