MAX9272 28-Bit GMSL Deserializer for Coax or STP Cable

MAX9272
28-Bit GMSL Deserializer for Coax or STP Cable
Table 10. Startup Procedure for Image-Sensing Applications
NO. µC SERIALIZER DESERIALIZER
Sets all configuration inputs. If any
configuration inputs are available on
Sets all configuration inputs. If any
configuration inputs are available on
— FC connected to deserializer.
one end of the link but not on the other, one end of the link but not on the other,
always connects that configuration always connects that configuration input
input low.
low.
1 Powers up.
3
Writes deserializer configuration
bits and gets an acknowledge.
Powers up and loads default settings.
Establishes serial link.
—
Powers up and loads default settings.
Locks to serial link signal.
Configuration changed from default settings
(loss-of-lock can occur).
4
Writes serializer configuration
bits. Cannot get an acknowledge
(or gets a dummy acknowledge)
if loss-of-lock occurred.
Configuration changed from default
settings.
Relocks the serial link signal.
5
Enables video link by setting
SEREN = 1 (if not enabled
automatically). Cannot get an
acknowledge (or gets a dummy
acknowledge) if loss-of-lock
occurred. Waits for link to be
established (~3ms).
Begins serializing data.
Locks to serial link signal and begins
deserializing data.
SLEEP = 1, VIDEO LINK OR CONFIG
LINK NOT LOCKED AFTER 8ms
SLEEP
WAKE-UP
SIGNAL
POWER-ON
IDLE
SIGNAL
DETECTED
SERIAL PORT
LOCKING
CONFIG LINK
UNLOCKED
CONFIG LINK
LOCKED
CONFIG LINK
OPERATING
PROGRAM
REGISTERS
SERIAL LINK ACTIVITY STOPS OR 8ms ELAPSES AFTER
FC SETS SLEEP = 1
PWDN = HIGH,
POWER-ON
VIDEO LINK
LOCKED
VIDEO LINK
UNLOCKED
0 SLEEP
SEND GPI TO
GMSL
SERIALIZER
GPI CHANGES FROM
LOW TO HIGH OR
HIGH TO LOW
ALL STATES
PWDN = LOW OR
POWER-OFF
POWER-DOWN
OR
POWER-OFF
VIDEO LINK
OPERATING
PRBSEN = 0
PRBSEN = 1
VIDEO LINK
PRBS TEST
0 SLEEP
Figure 31. State Diagram, Remote Microcontroller Application
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