AD6526ACA

GENERAL DESCRIPTION

The AD6526 is the second device, after the AD6522, of the Analog Devices AD20msp430 series of SoftFone® GSM Baseband Processors. The AD6526 provides a competitive solution for GSM/GPRS terminal designs. It is designed to be fully integrated, easy to use, and compatible with GSM900, DCS1800 and PCS1900 handsets as well as direct PC data interface. No external SRAM is needed in most applications.

FEATURES

Complete Single Chip Programmable Digital
Baseband Processor divided into three main
subsystems:
Control Processor Subsystem including:
32-bit MCU ARM7TDMI® Control Processor
On-chip Zero-wait-state System SRAM
DSP Subsystem including
16-bit Fixed Point DSP Processor
Data and Program SRAM
Program Instruction Cache
Full Rate, Enhanced Full Rate and Half Rate
Speech Encoding/Decoding
Peripheral Subsystem including
Shared Peripheral Bus and Interface
Peripherals
Peripheral Functions
Parallel and Serial Display Interface
Keypad Interface
FLASH Memory Interface
1.8V and 3.0V, 64 kbps SIM Interface
Universal System Connector Interface
Baseband Converter Interface
Data Services Interface
Control of Radio Subsystem
Three independent programmable backlight outputs
Real Time Clock with Alarm
Programmable Power Management and Clock
Management
Supports 13 MHz and 26 MHz Input Clocks
Slow Clocking Scheme for Low Idle Mode Current
Power Down modes
On-chip support for GSM Data Services up to
14.4 kbits/sec, Class 12 GPRS, HSCSD
JTAG Interface for Test and In-Circuit Emulation
1.8V Typical Operating Voltage
Operating Voltage Range 1.7V - 1.9V
Independent I/O and Memory Voltages
160-Ball LFBGA (mini-BGA) package

APPLICATIONS

GSM850/900/DCS1800/PCS1900 Wireless Terminals
GSM Phase 2 & GPRS Compliant