This system adopts A33 chips as the main processor, realizes the network connection, display, system management and operation function etc ;A single chip microcomputer as a plugin interface control chip, realize the control of external interface, such as keys, such as credit card processing of signals..Main processor and use serial communication between single-chip microcomputer, Power supply with the system is 12 V power adapter .internal to 5 V, 3.3 V voltage of each module circuit of power supply system.
