A “short list” of embedded systems

CS269: HW/SW Engineering of Embedded Systems, Winter02

Different Architectures

compute

air flow

compute

injection

time

drive

actuators

air

flow

injection

time

air temperature

engine temperature

engine speed

throttle position

look-up table

PWM signals

air pressure

16 bit CPU

A/D

Actuations (PWM)

Analog inputs

Digital inputs

FPGA


	Specifically, actuation of the injector can be mapped onto an FPGA for faster processing time. Since the CPU has less to do, now we can use a smaller CPU, say a 16 bit CPU which may do the job.