CHAPTER 12. Error! Use the Home tab to apply 제목 1,장 제목 1 to the text that you want to appear here.2-42 © SAMSUNG Electronics Co., Ltd.2.5.12.2 Main FeaturesMain features of MGI64/MGI16 are as follows:CODEC M82530 (MAIN CPU & DSP)y Up to 64 channels can be accommodatedy In case of MGI16, codec is M82511 and there are 16 channels.y Codec and host are implemented in the chip.y Codec is made by MindSpeed.y 64 independent voice channels of each chip(MGI16 supports 16 channels.)y Field-upgradeable Functionalityy Roburst Bad Frame Interpolation(BFI)y G.165/G.168 Adaptive Echo Cancellery Toll quality voice that decreases the bit rate to 3.2 kbps on the average through silencesuppressiony TIA 464A DTMF detection/generationy MF detection/generationy Parallel hist processor interfacey Tone signal that the host can programy PCM interface that can be configured: PCM highway or parallel interfacey On-chip PCM highway interface(host configuration time slot allocation and selectableG.711 μ-law/A-law PCM interface)y Gain controlRS-232C Interfacey UART0 in M82530y Maximum 38.4 kbps UARTy Debugging, DSP program update and testMP40 Interfacey Two FIFO IDT7201LA50Js, which are DRAMy 2 Kbytes with Tx and Rxy Card ID: 7DPowery Through 5 V, the circuit for supplying 3.3 V is implemented.y Through 3.3 V, the circuit for supplying 1.2 V, the power for CPU core is implemented.y The connection between 5 V and 3.3 V devices, insert the dedicated buffer to securereliability.
