GENERAL DESCRIPTION
The ADSP-2181 is a single-chip microcomputer optimized for digital signal processing (DSP) and other high speed numeric processing applications.

FEATURES
PERFORMANCE
    25 ns Instruction Cycle Time from 20 MHz Crystal @ 5.0 Volts
    40 MIPS Sustained Performance
    Single-Cycle Instruction Execution
    Single-Cycle Context Switch
    3-Bus Architecture Allows Dual Operand Fetches in Every Instruction Cycle
    Multifunction Instructions
    Power-Down Mode Featuring Low CMOS Standby
        Power Dissipation with 100 Cycle Recovery from Power-Down Condition
    Low Power Dissipation in Idle Mode

INTEGRATION
    ADSP-2100 Family Code Compatible, with Instruction Set Extensions
    80K Bytes of On-Chip RAM, Configured as
        16K Words On-Chip Program Memory RAM
        16K Words On-Chip Data Memory RAM
    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
    Programmable 16-Bit Interval Timer with Prescaler
    128-Lead TQFP/128-Lead PQFP