NXP Semiconductors PCA9955BTW-ARD, Руководство пользователя, Страница: 24 / 38

NXP Semiconductors
UM11761
PCA9955BTW-ARD evaluation board
Figure 13. Graphical interface – Global / Gain tab activated
7.3 Channels tab
Figure 14. Graphical interface – Channels / Brightness tab activated
The Channels contains eight secondary tabs. The default secondary tab from Channels
is Brightness (see the red left arrows in Figure 14 ). Table 8 details the names and
address of the registers. See the PCA9955B datasheet for more details about the internal
registers which can be accessed from the Channels tab.
Secondary tab Picture in Register name Register HEX Remarks
Brightness Figure 14 PWM0 to PWM15 #08h – #17h Read / Write / Write All
Gain Figure 15 IREF0 to IREF15 #18h – #27h Read / Write / Write All
Table 8. Secondary tabs under Channels tab
UM11761 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2022. All rights reserved.
User manual Rev. 1.0 — 18 March 2022
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