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