Analog Devices ADSP2181
The ADSP-2181 is a single-chip microcomputer optimized for digital signal processing (DSP) and other high speed numeric processing applications. The ADSP-2181 combines the ADSP-2100 family base architecture (three computational units, data address generators and a program sequencer) with two serial ports, a 16-bit internal DMA port, a byte DMA port, a programmable timer, Flag I/O, extensive interrupt capabilities, and on-chip program and data memory. The ADSP-2181 integrates 80K bytes of on-chip memory configured as 16K words (24-bit) of program RAM, and 16K words (16-bit) of data RAM.
| Part No. |
ADSP2181 |
| Datasheet |
ADSP2181
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| Manufacturer |
 Analog Devices |
| Description |
DSP Microcomputer |
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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 SYSTEM INTERFACE 16-Bit Internal...
