KSZ8382 Entry-Level IP Phone SOC Solution Preliminary Product Brief Integrated IP Phone on a Chip Description The Micrel KSZ838x IP Phone on a Chip SOC supplies a controllers for both SDRAM and DDR2, and flexible GPIO. complete IP phone solution for enterprise and residential Micrel integrates the industrys most robust, and lowest- IP telephony, implementing a compact, green, and low- power 10/100 Ethernet Switch, implementing critical cost IP phone. The KSZ8382 is a highly integrated SoC functionality for IP telephony including IEEE 802.1p priority designed to enable a new generation of functionality for QoS, 802.1Q VLANs, and IGMP v1/v2 snooping for Green IP phones. multicast packet filtering. The part implements innovative The KSZ8382 SoC is the ideal choice for entry-level advanced power management including Energy Efficient enterprise and residential IP phones, backed by Micrels Ethernet PHY technology (IEEE 802.3az). high-reliability and solution robustness proven in Applications commercial, industrial, and automotive applications around Entry-Level Enterprise IP Phones the globe. Entry-Level Residential IP Phones The KSZ8382 implements a multiprocessor architecture with embedded RISC CPU and powerful DSP, providing a Entry-level phones for emerging markets flexible VoIP platform with narrowband and wideband System Configurations voice processing and excellent voice quality. IP Phone on a Chip with 3-port, 10/100 switch The chips superior integration increases performance and SDRAM and DDR2 Memory reduces BOM cost, featuring a high-performance audio subsystem, LCD interface, keypad scanner, memory KSZ8382 Functionality: IRQ Keypad LCD GPIO UART MIPS32 RISC CPU for configuration and network Controller Scanner Interface protocol processing Peripheral Bus o External SDRAM, DDR2, and Flash interfaces KSZ8382 Bus ZSP400 DSP offers high-quality voice/audio processing Timers Bridge VoIP SOC Solution 8kHz/16kHz 16-bit ADC/DAC with integrated amplifiers MIPS ZSP Embedded VoIP Firmware (DSP) JTAG JTAG CPU DSP o Wideband CODECs: G.722, G.722.1, G.722.2 Speaker o Narrowband CODECs: G.711 -law/A-law, AMP DAC G.723.1, G.726, G.729A/B 3 Port, 10/100 Microphone QoS Switch o Voice quality optimizations AMP ADC o Telephony features 10/100 10/100 RAM 3-port 10/100BaseT Ethernet Switch with integrated MAC 1 MAC 2 Interface low-power PHY transceivers supporting IEEE 802.3az 10/100 10/100 Energy Efficient Ethernet PHY 1 PHY 2 DMA Flash Interface Arbiter Flexible GPIO support Keypad Scanner: 6x6 and 8x8 keypad configurations KSZ8382 Internal Block Diagram LCD Interface Micrel, Inc. TEL: +1-408-944-0800 FAX: +1-408-474-1000 KSZ8382 Entry-Level IP Phone SOC Solution, Preliminary Product Brief page 2 KSZ8382 IP Phone on a Chip Features Benefits Reduces IP Phone BOM cost Highest-level of integration Compact footprint Low power consumption General-purpose CPU exposed for host application Multiprocessing architecture with RISC and DSP Proven DSP optimized for voice/telephony processing On-chip audio subsystem with integrated ADC/DAC, Enables low-cost connection to handset, headset, and amplifiers, and input/output multiplexers speakerphone with minimal external components 3-port 10/100 Base-T Ethernet Switch with integrated PHY Low-power design with comprehensive IEEE 802 LAN transceivers functionality for priority, VLANs, and QoS Enable maximum flexibility and growth to accommodate Flexible SDRAM, DDR2, and Flash memory controller various storage technologies/capacities Industrys lowest power Ethernet switch, achieving a Advanced power management Green and low-cost design JTAG support for embedded RISC CPU and DSP Enables efficient debugging, reduces time to market Micrel VoIP KSZ8382L IP Phone SOC Evaluation Board: Evaluation Platform for Micrel VoIP KSZ8382L Single-Chip IP Phone SOC solution Enables OEM bring-up of complete SIP IP Phone solution, phone call functions, and user interface Software programmable with interfaces for audio hardware devices and for PC control Shipped with complete Micrel-supplied VoIP and SIP IP Phone protocol software stack o Includes VoIP G.7xx Voice CODECs and DSP-based Voice Quality Enhancement firmware Micrel, Inc. TEL: +1-408-944-0800 FAX: + 1-408-474-1000