SNVSA55C December 2014 – January 2018 LP3907-Q1
PRODUCTION DATA.
This register allows the user to select the preset delay sequence for power-on timing, to switch between PFM and PWM mode for the bucks, and also to select between an internal and external clock for the bucks.
D7 | D6-D4 | D3 | D2 | D1 | D0 | |
---|---|---|---|---|---|---|
Name | — | EN_DLY | — | FPWM2 | FPWM1 | ECEN |
Access | — | R/W | — | R/W | R/W | R/W |
Data | Reserved | Selects the preset delay sequence from EN_T assertion (shown below) |
Reserved | Buck2 PWM /PFM Mode select 0 – Auto Switch PFM - PWM operation 1 – PWM Mode Only |
Buck 1 PWM /PFM Mode select 0 – Auto Switch PFM - PWM operation 1 – PWM Mode Only |
Reserved |
Reset | 0 | Factory-Programmed Default | 1 | Factory-Programmed Default | Factory-Programmed Default | 0 |