View uma1002 datasheet:

Philips Semiconductors Product specification Data processor for cellular radio UMA1002 (DPROC2) FEATURES • Single chip solution to all the data handling and supervisory functions • Configuration to both AMPS and TACS • Additional JTACS option • I2C-bus serial control GENERAL DESCRIPTION • All analog interface and filtering functions fully implemented on chip The UMA1002 is a low power CMOS LSI device incorporating the data tranceiving, data processing, and • Error handling in hardware reduces software SAT functions (including on-chip filtering) for an AMPS or requirements TACS hand-held portable cellular radio telephone. • Robust SAT decoding and transponding circuitry • Low current consumption by on-chip power-down modes • Reduced system current consumption by new in