ADSP-21990BBC datasheet(1/50 Pages) AD

부품명	ADSP-21990BBC

상세설명	Mixed-Signal DSP Controller

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a

Mixed-Signal DSP Controller

ADSP-21990

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

www.analog.com

Fax: 781.461.3113

FEATURES

ADSP-2199x, 16-bit, fixed-point DSP core with up to 160

MIPS sustained performance

8K words of on-chip RAM, configured as 4K words on-chip,

24-bit program RAM and 4K words on-chip, 16-bit

data RAM

External memory interface

Dedicated memory DMA controller for data/instruction

transfer between internal/external memory

Programmable PLL and flexible clock generation circuitry

enables full speed operation from low speed input clocks

IEEE JTAG Standard 1149.1 test access port supports on-chip

emulation and system debugging

8-channel, 14-bit analog-to-digital converter system, with up

to 20 MSPS sampling rate (at 160 MHz core clock rate)

3-phase, 16-bit, center-based PWM generation unit with 12.5

ns resolution at 160 MHz core clock (CCLK) rate

Dedicated 32-bit encoder interface unit with companion

encoder event timer

Dual 16-bit auxiliary PWM outputs

16 general-purpose flag I/O pins

3 programmable 32-bit interval timers

SPI communications port with master or slave operation

Synchronous serial communications port (SPORT) capable of

software UART emulation

Integrated watchdog timer

Dedicated peripheral interrupt controller with software

priority control

Multiple boot modes

Precision 1.0 V voltage reference

Integrated power-on-reset (POR) generator

Flexible power management with selectable power-down

and idle modes

2.5 V internal operation with 3.3 V I/O

Operating temperature range of –40 C to +85 C

196-ball CSP_BGA and 176-lead LQFP package

Figure 1. Functional Block Diagram

ADC

CONTROL

VREF

PIPELINE

FLASH ADC

CLOCK

GENERATOR/PLL

PM ADDRESS/DATA

DM ADDRESS/DATA

I/O

BUS

4k

16

DM RAM

4k

24

PM RAM

EXTERNAL

MEMORY

INTERFACE

(EMI)

TIMER 0

TIMER 1

TIMER 2

4k

24

PM ROM

ADSP-219x

DSP CORE

JTAG

TEST AND

EMULATION

ADDRESS

DATA

CONTROL

I/O REGISTERS

PWM

GENERATION

UNIT

ENCODER

INTERFACE

UNIT

(AND EET)

AUXILIARY

PWM

UNIT

FLAG

I/O

SPI

SPORT

WATCHDOG

TIMER

INTERRUPT

CONTROLLER

(ICNTL)

POR

MEMORY DMA

CONTROLLER

유사한 부품 번호 - ADSP-21990BBC

제조업체	부품명	데이터시트	상세설명
Analog Devices	ADSP-21990	2Mb / 50P	Mixed-Signal DSP Controller REV. A

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제조업체	부품명	데이터시트	상세설명
Analog Devices	ADSP-21991	589Kb / 44P	Mixed Signal DSP Co REV.0
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	ADSP-21990	2Mb / 50P	Mixed-Signal DSP Controller REV. A
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