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DWM3000 Datasheet(PDF) 12 Page - List of Unclassifed Manufacturers

Part # DWM3000
Description  IEEE 802.15.4-z UWB Transceiver Module
PDF  24 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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DWM3000 Datasheet(HTML) 12 Page - List of Unclassifed Manufacturers

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DWM3000 Datasheet
© Qorvo 2020
Preliminary
Version 0.1
Page 12
SIGNAL NAME
PIN
I/O
(Default)
DESCRIPTION
EXTON
1
DO
(O-L)
External device enable. Asserted during wake up process and held
active until device enters sleep mode. Can be used to control
external DC-DC converters or other circuits that are not required
when the device is in sleep mode so as to minimize power
consumption.
GPIO8 / IRQ
22
DIO
(O-L)
Interrupt Request output from the DWM3000 to the host processor.
By default IRQ is an active-high output but may be configured to be
active low if required. For correct operation in SLEEP and
DEEPSLEEP modes it should be configured for active high
operation. This pin will float in SLEEP and DEEPSLEEP states and
may cause spurious interrupts unless pulled low externally (100 kΩ
recommended).
When the IRQ functionality is not being used the pin may be
reconfigured as a general purpose I/O line, GPIO8.
GPIO7 / SYNC
4
DIO
(I)
Defaults to operate as a SYNC input. This pin may be reconfigured
as a general purpose I/O pin under software control.
GPIO6 /
EXTRXE /
SPIPHA
9
DIO
(I)
General purpose I/O pin.
On power-up it acts as the SPIPHA (SPI phase selection) pin for
configuring the SPI mode of operation.
After power-up, the pin will default to a General Purpose I/O pin.
On engineering samples GPIO6 is on pin 10.
GPIO5 /
EXTTXE /
SPIPOL
10
DIO
(I)
General purpose I/O pin.
On power-up it acts as the SPIPOL (SPI polarity selection) pin for
configuring the SPI operation mode.
After power-up, the pin will default to a General Purpose I/O pin.
On engineering samples GPIO5 is on pin 9.
GPIO4
11
DIO
(I)
General purpose I/O pin.
GPIO3 / TXLED
12
DIO
(I)
General purpose I/O pin.
It may be configured for use as a TXLED driving pin that can be
used to light a LED following a transmission.
GPIO2 /
RXLED
13
DIO
(I)
General purpose I/O pin.
It may be configured for use as a RXLED driving pin that can be
used to light a LED during receive mode.
GPIO1 /
SFDLED
14
DIO
(I)
General purpose I/O pin.
It may be configured for use as a SFDLED driving pin that can be
used to light a LED when SFD (Start Frame Delimiter) is found by
the receiver.
GPIO0 /
RXOKLED
15
DIO
(I)
General purpose I/O pin.
It may be configured for use as a RXOKLED driving pin that can be
used to light a LED on reception of a good frame.
RSTn
3
DIO
(O-H)
Reset pin. Active Low Output.
May be pulled low by external open drain driver to reset the
DW3000.
Power Supplies
VDD1
5
P
External supply for the Always-On (AON) portion of the chip.
VDD3V3
6,7
P
3 V supply pins.
Ground
GND
8,16,
21,23,24
G
Common ground.



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