User's Manual

■Voice recognition (VR) (not enabled in this application)
■Acoustic echo cancellation
■Audio AGC
■External stereo DAC support
■Internal Vocoder supporting 13kbps Pure Voice QCELP and EVRC
■Industry standard ARM7TDMI embedded microprocessor subsystem
■Internal watchdog and sleep timers
■Three universal asynchronous receiver transmitter (UART) serial ports
1.2 IS- Mobile Standards
Standard Description Comment
IS-707 Data Service Options for Spread Spectrum Systems
IS-127 Enhanced Variable Rate Codec (EVRC) EVRC
IS-733
High Rate Speech Service Option 17 for Wide Band Spread Spectrum
Communication Systems
13k codec
IS-99
Data Services Option Standard for Wideband Spread Spectrum Digital Cellular
System
IS-657 Packet Data Service Option Standard for Wideband Spread Spectrum Systems
IS-687
Medium Speed Interface for Data Terminal Equipment and Data Circuit Terminating
Equipment
IS-19
Recommended Minimum Standards for 800-MHz Cellular Subscriber
Units-Replaced by TIA/EIA-690
IS-41
The protocol for 'roaming' within the USA, describing how services should 'hand
over' between operators
IS-683 Over-the-Air Service Provisioning of Mobile Stations in Spread Spectrum Standards
IS-2000 Introduction to CDMA2000 Spread Spectrum Systems
IS-801 Position Determination Service for cdma2000 Spread Spectrum Systems
IS-91
Analog Cellular and PCS. The TIA version of the analog cellular standard,
incorporating the functionality of IS-88 (narrowband analog) and IS-94 as well
as PCS band operation.
AMPS
IS-95 XXXXXX