Abstract
This paper introducts a digital voice transmission system terminal hardware design based on embedded TCP/IP protocol. Using SAMSUNG’s S3C2410 as the main controlling chip and using Audio Decoder UDA1341TS and ethernet controller RTL8019AS as the auxiliary chips, together with some data and code memory module, we construct the digital voice transmission system hardware circuit.
ARM9-S3C2410 is a 32-bit embedded microprocessor pieces which acts as the main controler to control every terminal module. UDA1341TS is a double channel voice converter chip which can convert voice expediently. RTL8019AS is a 10M capacity and high integrated ethernet controller which is used to transmist digital voice on the network. K9F2808 is a NAND Flash data memory whose 16M storage space can meet the need of digital voice data storage.The whole system with short development cycle, low cost achieves the conversion, storage, processing and transmission of digital voice.
Keywords: Digital Voice Embedded System TCP/IP protocol S3C2410 RTL8019AS UDA1341TS