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42 DSP Selection Guide

ADSP-21990

Mixed Signal DSP

http://www.analog.com/motorcontrol

Features Benefits

• 160 MHz, ADSP-219x DSP core

• 8-Channel, 14-Bit, 20 MSPS ADC

• On-chip voltage reference and power-on-reset

• 4K words program memory RAM

• 4K words data memory RAM

• External memory interface (to 1M Word)

• Embedded Control Peripherals

– Three-phase PWM generation unit

– Incremental encoder interface unit

– Dual auxiliary PWM outputs

– Watchdog timer

– Three 32-Bit, general purpose timers

– 16-Bit general purpose flag I/O port

– Peripheral interrupt controller

– Synchronous serial (SPORT) and SPI

– Communications ports

• ADSP-219x core delivers highest performance

mixed-signal DSP for control designs with up to

160 MIPS sustained performance

• Code compatible solution ensures investment

protection with lower software cost

• State-of-the-art development tools

• Integrated single-chip pin-compatible

solutions facilitate high-performance design

with higher reliability, reduces development

time with lower overall system cost

• External memory interface provides direct

access from DSP to external memory

for data or instruction

• Fabricated in high-speed, low power consump-

tion, CMOS process

Applications

• Industrial motor drives

• Un-interruptible power supplies

• Optical networking control

• Data acquisition systems

• Test and measurement systems

• Portable

Instrumentation

• Intelligent sensors

• Robotic control

JTAG

Test and

Emulation

To

32k x 24

PM RAM

160 MHz

ADSP-219x

DSP

I/O Registers

Bus

To

8k x 16

DM RAM

4k x 24

PM ROM

External

Memory

Interface

(EMI)

Address

Data

Control

Clock Gen/PLL

PMW

Generator

Unit

Encoder

Interface

Unit

(& EET)

Auxiliary

PWM

Unit

Timer 0

Flag

I/O

SPI

Comms

Port

SPORT

Watch

Dog

Timer

Interrupt

Control

(ICNTL)

ADC Control

Timer 1

Timer 2

14-Bit ADC

POR

VREF

MEMDMA

Peripheral Interface Bus/Peripheral DMA

Evaluation Kit

VisualDSP++

VisualDSP++ Floating License

USB-Based Emulator

PCI-Based Emulator

ADDS-21990-EZLITE

VDSP-21XX-PC-FULL

VDSP-21XX-PCFLOAT

ADDS-APEX-ICE

ADDS-SUMMIT-ICE

Development Tools

Device

Package

Description

Status

Pre-Release

Pre-Release

Ball Grid Array

Thin LQFP 1.4mm Thick

Temperature

Range

Industrial

Industrial

Pin

Count

196

176

ADSP-21990BBC

ADSP-21990BST

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 61 62

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