NXP Semiconductors PCA9633, User Manual, Page: 9 / 16

UM10573 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
User manual Rev. 1 — 17 October 2012 9 of 16
NXP Semiconductors
UM10573
PCA9633 demo board OM6276
Select selects frequency (duty cycle fixed at 50 %/50 %) or duty cycle
(frequency fixed at XX)
Plus faster frequency (double each push) or longer ON duty cycle
Minus slower frequency (halves each push) or shorter ON duty cycle
Table 3. Modes
Switch selection Action