NXP Semiconductors
UM11579
PCA9957HN-ARD evaluation board
Tab
Picture in
Register name
Register HEX
Remarks
Gain
IREFx
#3Fh
Read / Write / Write All
Output
CHOUTx
#0Dh
Read / Write / Write All
Gradation
GRADMODE_SELx
#58h, #59h, #6Ah
Read / Write / Write All
Errors
EFLAGx
#02h - #07h
Read
Table 4. Secondary tabs under Channels
...continued
Figure 12. Graphical interface – Channels / Brightness tab activated
UM11579
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User manual
Rev. 1 — 25 February 2021
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