ULPS is an Escape Mode supported by both the clock lane and data lanes within a MIPI PHY configuration, including D-PHY and C-PHY. Unlike standard Low-Power (LP) states used for control signaling, ULPS allows the peripheral (such as a camera sensor or display) to enter a state of near-zero energy consumption, essentially halting communication without shutting down the entire interface.
Unlike some power modes that require a slow reference clock to stay alive, ULPS shuts down the high-speed clock entirely. The receiver relies on a or a simple timer to notice the wakeup burst. That’s why ULPS can achieve power in the micro-to-nanowatt range — orders of magnitude lower than normal standby. mipi ulps
ULPS is an Escape Mode supported by both the clock lane and data lanes within a MIPI PHY configuration, including D-PHY and C-PHY. Unlike standard Low-Power (LP) states used for control signaling, ULPS allows the peripheral (such as a camera sensor or display) to enter a state of near-zero energy consumption, essentially halting communication without shutting down the entire interface.
Unlike some power modes that require a slow reference clock to stay alive, ULPS shuts down the high-speed clock entirely. The receiver relies on a or a simple timer to notice the wakeup burst. That’s why ULPS can achieve power in the micro-to-nanowatt range — orders of magnitude lower than normal standby.