A Hand on the Throttle
Processor clock speed: 59 MHz to 206 MHz
- fine-grained control from Linux (300 ?s to switch)
Processor core voltage (1.5V or 1.23V)
Processor modes: sleep, idle, and run
- kernel enters idle mode
- sleep mode retains DRAM contents for 1-2 weeks
Most components have low-power modes or can be individually turned off
- simple kernel interface for suspending devices
- B&W LCD image can be maintained in sleep mode
-
-