Murata 2AB User manual

1murata.com Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
1Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
muRata UWB Module(2AB)
EVB User manual v5.0
Sychip
2022.9.23
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

2
Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
Contents
•UWB module(2AB) EVB Description
-JS-0989 EVB description
-JS-1055 EVB description
•Power Supply Options
•nRF52840 PIN configuration
•Getting started with UWB module(2AB) EVB
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
UWB module(2AB) EVB Block Diagram
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
UWB module(2AB) EVB Description –JS-0989
UWB ANT2
(For PDoA option)
External Power Supply
Interface(3V)
Micro USB connector J14
(for nRF52840 UART
communication)
Micro USB connector J6
(for nRF52840 USB
communication)
SWD connector
(for Programming)
UWB
module
Power selection Jumper
UWB ANT1
BLE ANT
Main UART pins Jumper
LED1 Reset button
User
button
GPIO connector (not mount)
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
UWB module(2AB) EVB Description –JS-0989
Cont’d
UWB PDoA antenna
assembly picture UWB single antenna assembly picture
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
UWB module(2AB) EVB Description –JS-1055
External Power
Supply Interface
Micro-B USB J14
(for nRF52840 UART
communication)
Micro-B USB J6
(for nRF52840 USB
communication)
SWD connector
Power selection
Jumper
BLE ANT
Reset button
GPIO connector
(not mount)
SW connector
(Murata: MM8030-2610)
USB to UART IC
(FT232RL) Type2AB module
UWB ANT2
UWB ANT1
<Component Side> <UWB Antenna Side>
•PCB antenna is used for JS-1055
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
Power supply option1 -- External 3.0V Power
Supply
Short this jumper
External Power
Supply Interface :
2.5~3.6V, typ3.0V
•Same configuration for JS-0989 and JS-1055
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
Power supply option2 –External 5V Power
Supply by USB interface J14
•Same configuration for JS-0989 and JS-1055
Short the
two jumpers
USB Power interface
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
Power supply option3 –External 5V Power
Supply by USB interface J6
•Same configuration for JS-0989 and JS-1055
Short the
two jumpers
USB Power
interface
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.

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Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 27 September 2022
nRF52840 PIN configuration
nRF52840 Pin
Function
Connection
P0.25
DW_IRQ
UWB
IC
DW3000
P0.16
DW_SPI_CLK
P0.17
DW_SPI_MOSI
P0.23
DW_SPI_MISO
P0.20
DW_SPI_CS
P0.15
DW_RST
P1.02
DW_WAKEUP
P1.01
ACC_IRQ1
3-axis
accelerometer
LIS2DW12TR
P1.04
ACC_IRQ2
P1.03
ACC_CS
P1.00
ACC_SDO
P0.22
I2C_SDA
P0.19
I2C_SCL
UWB Module internal used PINs
Confidential, Reference only, from my Murata
aifeng.wang @ murata.com - 355472
Thursday, August 03, 2023
Change may apply without notification.