NXP Semiconductors PCA9955A, Руководство пользователя, Страница: 18 / 25

UM10729 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors B.V. 2017. All rights reserved.
User manual Rev. 2 — 1 August 2017 18 of 24
NXP Semiconductors
UM10729
PCA9955A/B demonstration board OM13483
9. PCA9955A/B evaluation steps with Fm+ development board
The PCA9955A/B is controlled by Fm+ development board GUI in Expert mode, as shown
in
Figure 10 .
Connect the hardware as described in Section 4.3 . All jumpers are in default setting and
device address is set to 0x02 on J7, J9 and J10 (set AD[0:2] = GND) for PCA9955A/B
demo board. When you have correctly installed the software and the demonstration board
hardware is connected and recognized by the computer, start the Fm+ development
board software. As shown in
Figure 10 , when the demonstration board hardware is
correctly connected to the USB port and the computer recognizes it, the message
‘USB-I2C Hardware Detected’ is displayed on the bottom of the window.
Fig 10. Select the Expert mode from Fm+ development board GUI