DWM1001 Datasheet

© Decawave Ltd 2017

Subject to change without notice

Version 1.5

Page 9

SIGNAL NAME

PI

N

I/O

(Default

)

DESCRIPTION

REFERENCE (Pin

designation)

Ground

GND

1,

11,

24,

34

G

Common ground.

Table 2: Explanation of Abbreviations

ABBREVIATION

EXPLANATION

DI

Digital Input

DIO

Digital Input / Output

DO

Digital Output

G

Ground

P

Power Supply

N

nRF52832

DW

DW1000

Note: Any signal with the suffix ‘n’ indicates an active low signal.

Table 3: Internal nRF52832 pins used and their function

nRF52832 Pin

Function

PO.19

DW_IRQ

PO.16

DW_SCK

PO.20

DW_MOSI

PO.18

DW_MISO

PO.17

DW_SPI_CS

PO.24

DW_RST

PO.25

ACC_IRQ

PO.29

I2C_SDA

PO.28

I2C_SCL

DW1000’s GPIOs 5,6 control the DW1000 SPI mode configuration. Within the DWM1001 module, those GPIOs

are unconnected and will be internally pulled down. Consequently, SPI will be set to mode 0. For more details,

please refer to DW1000 data sheet [2].

Table 4: I2C slave devices address I2C

I2C slave device

Address

LIS2DH12

0X19