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