NXP Semiconductors PCA9846PW-ARD, User Manual, Page: 14 / 27

NXP Semiconductors
UM11759
PCA9846PW-ARD evaluation board
5 Installing and configuring software tools
PCA9846PW-ARD evaluation board is designed and built as an expansion board able to
work in conjunction with a motherboard equipped with an Arduino port. The board was
built to be fully compatible with the following NXP evaluation boards:
• IMXRT1050 EVK
•
LPCXpresso55S69 Development Board
• i.MX 8M Mini LPDDR4 EVK
Each evaluation or development board mentioned above benefits from firmware support,
which can be downloaded from www.nxp.com/ . Before starting, the EVK motherboard
must be programmed with the corresponding firmware package. Additionally, a GUI
application (Windows 10) is available for download from the NXP site, allowing rapid
testing and operation of PCA9846PW-ARD expansion board through one of above
mentioned EVBs . The GUI application is common for all three evaluation boards. The
GUI software is also built to control two expansion boards: the PCA9617ADP-ARD
and the PCA9846PW-ARD. Both are manufactured by NXP Semiconductors. For
details regarding installation of the EVB firmware and GUI host software on PC, refer to
UM11581
[12]
. Once the software is installed, select the correct combination of EVK and
PCA9846PW-ARD expansion card. The board can be controlled from the GUI interface.
See Section 6 and Section 7 for more details regarding the operation of PCA9846PW-
ARD from GUI software.
6 Configuring the hardware
6.1 Using the PCA9846PW-ARD with an IMXRT1050 EVK board
Figure 10 shows the required hardware for operation of the PCA9846PW-ARD expansion
board with IMXRT1050 EVK. The following items are necessary:
•
One IMXRT1050-EVK board
• One PCA9846PW-ARD expansion board
• One USB-A/USB Micro-B cable
• A PC with Windows 10 operating system
The IMXRT1050 EVK motherboard can be powered by one of the three methods:
• Connecting an external 5 V DC power supply to the barrel power connector (J2) on the
board
•
Connecting an USB cable from the PC to the Micro-B USB connector (J9) on the board
• Connecting an USB cable from the PC to the USB connector (J28) on the board. When
the PC is connected in this fashion, the USB port can simultaneously act as a debug
interface. Therefore, by using a single USB cable connected to J28, the EVK can be
powered and at the same time linked to the PC for data exchange.
The older USB ports (from PC) are not able to deliver the necessary current (500 mA),
before establishing the communication, use an external power supply (connected to J2).
From J1 on the EVK board, see
Figure 10 , the user can select the power configuration
for the motherboard. Refer to IMXRT1050 EVKB Board Hardware User's Guide
[2]
.
UM11759 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2022. All rights reserved.
User manual Rev. 1 — 6 June 2022
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