Computer Accessories User Manual

Power Management
•
AM35x power management features:
•
AM35x power management features:
– Single voltage and power domain
– Multiple clock domains
–
Single Operating Voltage and Frequency
–
Single Operating Voltage and Frequency
– Low power mode (standby)
•
Power, Reset and Clock Management (PRCM)
module controls power management
•
Power, Reset and Clock Management (PRCM)
module controls power management
• One voltage supply to device processors and
peripherals.
peripherals.
• Supports dynamic clock gating for power
management through clock domains.
–
A clock domain is a group of modules or subsections of device
–
A clock domain is a group of modules or subsections of device
that share a common clock
– By gating the clock to each domain, it is possible to cut a clock to
a group of inactive modules to lower their active power
14
a group of inactive modules to lower their active power
consumption.