NXP Semiconductors PCA9955BTW-ARD, Руководство пользователя, Страница: 25 / 38

NXP Semiconductors
UM11761
PCA9955BTW-ARD evaluation board
Secondary tab Picture in Register name Register HEX Remarks
Output Figure 16 LEDOUT0 to LEDOUT3 #02h – #05h Read / Write / Write All
Gradation Figure 17
GRADMODE_SEL0
GRADMODE_SEL1
#38h – #39h Read / Write / Write All
Errors Figure 18 EFLAG0 to EFLAG3 #46h – #49h Read only
Sub I2C Address Figure 19 SUBADR1 to SUBADR3 #40h – #43h Read / Write
Table 8. Secondary tabs under Channels tab
...continued
The Write button sets individually the new values from the GUI to the internal registers of
the DUT. The WriteAll button sets globally the registers specified in Table 8 . The Read
button brings back to the GUI the values from the PCA9955B registers to the graphical
interface.
Figure 15. Graphical interface – Channels / Gain tab activated
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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