NXP Semiconductors PCA9955A, Руководство пользователя, Страница: 6 / 25

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User manual Rev. 2 — 1 August 2017 6 of 24
NXP Semiconductors
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PCA9955A/B demonstration board OM13483
4.3 OM13483 connection to Fm+ I2C bus development board
The OM13260 Fm+ I2C bus development board should be disconnected from your PC
before mounting the OM13483 board onto it. The OM13483 board has a 9-pin female
connector (CON2) that connects to the CN2 male connector on the bridge board
(OM13399) as shown in
Figure 2 .
Fig 2. PCA9955A/B demo board (OM13483) mounting to the Fm+ development board (OM13260)
aaa-014227
PCA9955A
demo board
(OM13483)
14-pin connector
Select Bus 1
to drive PCA9955A
Fm+ development board
(OM13260)
Bridge board
(OM13399)
9-pin connector
To PC
USB port