Based on AR1688


• Performance and features
    Support SIP,IAX2 protocol
    DHCP support for LAN or Cable modem
    PPPoE support for ADSL or Cable modem
    Audio codec G.711,G.723,G.729,GSM,iLBC
    Blue back light
    POE[Optional]
    CALL WAIT、HOLD、TRANSFER supported
    Set by HTTP web browser (IE6.0) or Telnet
    Upgrade by FTP、TFTP or HTTP
    VAD(Voice active detect)
    CNG (Comfort noise generation)
    G.168/165 compliant 16ms echo cancellation
    Dynamic voice jitter buffer
    Network interface:1/2 RJ-45 Ethernet connectors
• Main technical index
    Integrated MCU, the instruction set is compatible with Z80
    MCU run at 24.576MHz(typical), F/W can program from DC up to 60MHz
    Internal 116 Kbytes RAM, no external SDRAM needed for most application
    Up to 4 chip selection for external SRAM, EEPROM or FLASH, each can support 2MB at maximum
    24 bits DSP Core
    2181-instruction-set compatible DSP co-processor
    DSP Speed up to 72MIPS
    Support 24.576MHz OSC with on-chip PLL for DSP
    Up to 16 general purpose I/O pins
    High quality 18bits CODEC on chip.
    One UART port
    Support real time clock
    Keypad support (up to 12 keys directly)
    Maximum voice output: 11mW@16 ohm
    Internal DC/DC converter to produce CORE voltage, eliminate external LDO
    Operating Voltage: IO: 3.3v, Core: 1.8v
    Low Power consumption: <90mW at typical
    LQFP-100(14x14mm) package
• User Manual
    YWH201 User Manual
• YWH201 Firmware
    YWH201 Firmware
• YWH201 Cataloge
    YWH201 Cataloge