GENERAL DESCRIPTION
The ADSP-21msp58 and ADSP-21msp59 Mixed-Signal Processors (MSProcessor® DSPs) are fully integrated, single-chip DSPs complete with a high performance analog front end. The ADSP-21msp58/59 Family is optimized for voice band applications such as Speech Compression, Speech Processing, Speech Recognition, Text-to Speech, and Speech-to-Text conversion.

FEATURES
   38 ns Instruction Cycle Time (26 MIPS) from 13.00 MHz
      Crystal
   ADSP-2100 Family Code and Function Compatible with
      New Instruction Set Enhanced for Bit Manipulation
      Instructions, Multiplication Instructions, Biased
      Rounding, and Global Interrupt Masking
   2K 3 24 Words of On-Chip Program Memory RAM
   2K 3 16 Words of On-Chip Data Memory RAM
   4K 3 24 Words of On-Chip Program Memory ROM
      (ADSP-21msp59 Only)
   8-Bit Parallel Host Interface Port
   Analog Interface Provides:
      16-Bit Sigma-Delta ADC and DAC
      Programmable Gain Stages
      On-Chip Anti-Aliasing & Anti-Imaging Filters
      8 kHz Sampling Frequency
      65 dB ADC, SNR and THD
      72 dB DAC, SNR and THD
   425 mW Typical Power Dissipation @ 5.0 V @ 38 ns
   <1 mW Powerdown Mode with 100 Cycle Recovery
   Dual Purpose Program Memory for Both Instruction
      and Data Storage
   Independent ALU, Multiplier/Accumulator, and Barrel
      Shifter Computational Units
   Two Independent Data Address Generators
   Powerful Program Sequencer Provides:
      Zero Overhead Looping
      Conditional Instruction Execution
   Two Double-Buffered Serial Ports with Companding
      Hardware, One Serial Port (SPORT0) has Automatic
      Data Buffering
   Programmable 16-Bit Interval Timer with Prescaler
   Programmable Wait State Generation
   Automatic Booting of Internal Program Memory from
      Byte-Wide External Memory, e.g., EPROM, or
      Through Host Interface Port
   Stand-Alone ROM Execution (ADSP-21msp59 Only)
   Single-Cycle Instruction Execution
   Single-Cycle Context Switch
   Multifunction Instructions
   Three Edge- or Level-Sensitive External Interrupts
   Low Power Dissipation in Standby Mode
   100-Lead TQFP