
NXP Semiconductors
UM11623
PCA9959HN-ARD evaluation board
Figure 8. PCA9959HN-ARD daughter board and LPCXpresso55S69 mother board
The following steps describe how to assemble, power up, program, and operate the
:
1. Insert the PCA9959HN-ARD daughter card to P16 – P19 connectors located on
LPCXpresso55S69 development board (see the marked pins of P16 – P19,
2. Connect the development board using port P6 USB port of PC.
3. Install the LPCXpresso55S69 target firmware (download from NXP site and see
for step-by-step instructions).
UM11623
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
User manual
Rev. 1 — 21 May 2021
15 / 32