AD6426 Analog Devices, AD6426 Datasheet - Page 3

• Manufacturer Part Number: AD6426
• Description: Enhanced GSM Processor
• Manufacturer: Analog Devices

GENERAL DESCRIPTION ...................................................1
PIN FUNCTIONALITY ( Normal Mode) ...............................4
OVERVIEW..........................................................................7
FUNCTIONAL PARTITIONING ...........................................7
REGISTERS..........................................................................9
GENERAL CONTROL........................................................14
INTERFACES .....................................................................16
TEST INTERFACE .............................................................27
MODES OF OPERATION...................................................29
FEATURE MODES.............................................................30
SPECIFICATIONS ..............................................................32
TIMING CHARACTERISTICS............................................33
This Information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog Devices assumes no
obligation regarding future manufacture unless otherwise agreed to in writing. No responsibility is assumed by Analog Devices for its use; nor for any
infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent
rights of Analog Devices.
Revision Preliminary 2.3 (June 9, ´98)
Preliminary Technical Information
Channel Codec Sub-System ...............................................7
Processor Sub-System ........................................................8
DSP Sub-System................................................................8
Clocks .............................................................................14
Slow Clocking .................................................................14
Real Time Clock and Alarm.............................................14
Reset ...............................................................................15
Interrupts .........................................................................15
NMI.................................................................................15
Wait ................................................................................16
Automatic Booting...........................................................16
Power Control..................................................................16
Memory Interface.............................................................16
EEPROM Interface ..........................................................16
SIM Interface...................................................................17
Accessory Interface ..........................................................17
Universal System Connector Interface ..............................18
Operating modes of the USC............................................18
Buffered UART Mode (Booting/Data Services)................18
Keypad / Backlight / Display Interface .............................19
Battery ID Interface..........................................................20
EVBC Interface ...............................................................20
Radio Interface ................................................................22
Normal Mode (Mode A) ..................................................29
Emulation Mode (Mode D) ..............................................29
DAI Mode........................................................................30
High Speed Logging.........................................................30
General............................................................................32
ABSOLUTE MAXIMUM RATINGS ...............................32
Clocks .............................................................................33
Speech Transcoding .......................................................8
Equalization...................................................................8
Audio Control ................................................................8
Tone Generation ............................................................8
Automatic Frequency Control (AFC) ..............................8
Automatic Gain Control (AGC)......................................8
Dual Band Control .......................................................22
Tx Timing Control .......................................................23
Rx Timing Control .......................................................24
Synthesizer Control ......................................................24
AGC Control................................................................25
JTAG Port....................................................................27
Debug Port Interface ....................................................29
Table of Contents
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PACKAGING......................................................................44
Memory Interface.............................................................34
Radio Interface ................................................................35
High Speed Logging Interface ..........................................36
Data Interface ..................................................................37
Test Interface...................................................................38
EVBC Interface ASPORT ................................................39
EVBC Interface BSPORT ................................................40
EVBC Interface VSPORT ................................................41
Parallel Display Interface .................................................42
Serial Display Interface....................................................43
LQFP Pin Locations.........................................................44
PBGA Pin Locations ........................................................45
LQFP Outline Dimensions ...............................................47
PBGA Outline Dimensions ..............................................48
Confidential Information
AD6426