GENERAL DESCRIPTION

The ADSP-2183 is a single-chip microcomputer optimized for digital signal processing (DSP) and other high speed numeric processing applications.

FEATURES

PERFORMANCE

19 ns Instruction Cycle Time from 26.32 MHz Crystal @ 3.3 Volts

52 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 300 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 LQFP, 144-Ball Mini-BGA

SYSTEM INTERFACE

16-Bit Internal DMA Port for High Speed Access to On-Chip Memory

4 MByte Memory Interface for Storage of Data Tables and Program Overlays

8-Bit DMA to Byte Memory for Transparent Program and Data Memory Transfers

I/O Memory Interface with 2048 Locations Supports Parallel Peripherals

Programmable Memory Strobe and Separate I/O Memory Space Permits “Glueless” System Design

Programmable Wait State Generation

Two Double-Buffered Serial Ports with Companding Hardware and Automatic Data Buffering

Automatic Booting of On-Chip Program Memory from Byte-Wide External Memory, e.g., EPROM, or Through Internal DMA Port

Six External Interrupts

13 Programmable Flag Pins Provide Flexible System Signaling

ICE-Port? Emulator Interface Supports Debugging in Final Systems