NRF52810-QFAA-R datasheet(466/483 Pages) NORDIC

466 / 483 page

Hardware and layout

Name

Type

Description

SAADC input

VSS

Power

Ground

DEC4

Power

1.3 V regulator supply decoupling

Input from DC/DC regulator

Output from 1.3 V LDO

DCC

Power

DC/DC regulator output

VDD

Power

Power supply

Bottom of chip

Die pad

VSS

Power

Ground pad

Exposed die pad must be connected

to ground (VSS) for proper device

operation.

Table 99: QFN32 pin assignments

7.1.3 GPIO pins located near the radio

Radio performance parameters, such as sensitivity, may be affected by high frequency digital I/O with

large sink/source current close to the radio power supply and antenna pins.

GPIO recommended usage on page 466 identifies some GPIO pins that have recommended usage

guidelines for maximizing radio performance in an application.

GPIO

QFN48 pin

QFN32 pin

Recommended usage

P0.25

P0.26

P0.27

P0.28

P0.29

Low drive, low frequency I/O only.

Table 100: GPIO recommended usage

7.2 Mechanical specifications

The mechanical specifications for the packages show the dimensions in millimeters.

7.2.1 QFN48 6 x 6 mm package

Dimensions in millimeters for the nRF52810 QFN48 6 x 6 mm package.

4430_161 v1.0

466

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