Product Info

DWM1001C Datasheet
© Decawave Ltd 2017 Subject to change without notice Version 1.40C 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 DWM1001C 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