The AR1688 is a VOIP chip and associated open source firmware for building low cost single chip IP phones and ATAs.
The AR1688 is the replacement for the PA1688
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The AR1688 is the replacement for the PA1688
Features
- 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
Resources
- Palmmicro AR1688 Product Page
- Blog by one of the developers with lots of technical information and updates
- Support email: support@palmmicro.com
- AR1688 and PA1688 based IP phone mailing list — http://groups.yahoo.com/group/palmmicro
Companies using the AR1688 in their products
See Also
