ADSP-2162 AD [Analog Devices], ADSP-2162 Datasheet

ADSP-2162

Manufacturer Part Number

ADSP-2162

Description

DSP Microcomputers with ROM

Manufacturer

AD [Analog Devices]

Datasheet

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reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

GENERAL DESCRIPTION

The ADSP-216x Family processors are single-chip micro-

computers optimized for digital signal processing (DSP)

and other high speed numeric processing applications. The

ADSP-216x processors are all built upon a common core with

ADSP-2100. Each processor combines the core DSP architec-

ture—computation units, data address generators and program

sequencer—with features such as on-chip program ROM and

data memory RAM, a programmable timer and two serial ports.

The ADSP-2165/ADSP-2166 also adds program memory and

power-down mode.

This data sheet describes the following ADSP-216x Family

processors:

ADSP-2161/ADSP-2162/

ADSP-2163/ADSP-2164

ADSP-2165/ADSP-2166

SUMMARY

16-Bit Fixed-Point DSP Microprocessors with

Enhanced Harvard Architecture for Three-Bus

Independent Computation Units: ALU, Multiplier/

Single-Cycle Instruction Execution and Multifunction

On-Chip Program Memory ROM and Data Memory RAM

Integrated I/O Peripherals: Serial Ports, Timer

FEATURES

25 MIPS, 40 ns Maximum Instruction Rate (5 V)

Separate On-Chip Buses for Program and Data Memory

Program Memory Stores Both Instructions and Data

Dual Data Address Generators with Modulo and

Efficient Program Sequencing with Zero-Overhead

Double-Buffered Serial Ports with Companding Hardware,

Three Edge- or Level-Sensitive Interrupts

Low Power IDLE Instruction

PLCC and MQFP Packages

On-Chip Memory

Performance: Instruction Bus and Dual Data Buses

Accumulator and Shifter

Instructions

(Three-Bus Performance)

Bit-Reverse Addressing

Looping: Single-Cycle Loop Setup

Automatic Data Buffering and Multichannel Operation

processors with power-down and

larger on-chip memories (12K Pro-

gram Memory ROM, 1K Program

Memory RAM, 4K Data Memory

RAM)

Custom ROM-programmed DSPs:

ROM-programmed ADSP-216x

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

Fabricated in a high speed, submicron, double-layer metal

CMOS process, the highest-performance ADSP-216x proces-

sors operate at 25 MHz with a 40 ns instruction cycle time.

Every instruction can execute in a single cycle. Fabrication in

CMOS results in low power dissipation.

The ADSP-2100 Family’s flexible architecture and compre-

hensive instruction set support a high degree of parallelism.

In one cycle the ADSP-216x can perform all of the following

operations:

•

Table I shows the features of each ADSP-216x processor.

The ADSP-216x series are memory-variant versions of the

ADSP-2101 and ADSP-2103 that contain factory-programmed

on-chip ROM program memory. These devices offer different

amounts of on-chip memory for program and data storage.

Table I shows the features available in the ADSP-216x series of

custom ROM-coded processors.

The ADSP-216x products eliminate the need for an external

boot EPROM in your system, and can also eliminate the need

for any external program memory by fitting the entire applica-

tion program in on-chip ROM. These devices thus provide an

excellent option for volume applications where board space and

system cost constraints are of critical concern.

DATA ADDRESS

DAG 1

DSP Microcomputers with ROM

GENERATORS

Generate the next program address

Fetch the next instruction

Perform one or two data moves

Update one or two data address pointers

Perform a computation

Receive and transmit data via one or two serial ports

ALU

ARITHMETIC UNITS

ADSP-2100 CORE

DAG 2

MAC

SHIFTER

SEQUENCER

PROGRAM

FUNCTIONAL BLOCK DIAGRAM

PROGRAM MEMORY ADDRESS

PROGRAM MEMORY DATA

DATA MEMORY ADDRESS

DATA MEMORY DATA

World Wide Web Site: http://www.analog.com

SPORT 0

SERIAL PORTS

PROGRAM

MEMORY

SPORT 1

MEMORY

DATA

ADSP-216x

TIMER

EXTERNAL

DATA

BUS

EXTERNAL

ADDRESS

BUS

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