Introduction to SHARC Processors

Table 1-5. ADSP-2148x SHARC Processor Specifications

 

ADSP-21483

ADSP-21486

ADSP-21487

ADSP-21488

ADSP-21489

 

 

 

 

 

 

 

 

 

 

 

 

Frequency (MHz)

400

400

400

400

400

 

 

 

 

 

 

On-Chip RAM

3M bit

5M bit

5M bit

3M bit

5M bit

 

 

 

 

 

 

On-Chip ROM

4M bit

4M bit

4M bit

0M bit

0M bit

 

 

 

 

 

 

SRC

–140dB

–128dB

–128dB

–128dB

–128dB

 

 

 

 

 

 

PWM

4

4

4

4

4

 

 

 

 

 

 

UART

1

1

1

1

1

 

 

 

 

 

 

SPI

2

2

2

2

2

 

 

 

 

 

 

SPDIF

1

1

1

1

1

 

 

 

 

 

 

TWI

1

1

1

1

1

 

 

 

 

 

 

Timer

3

3

3

3

3

 

 

 

 

 

 

SPORT

8

8

8

8

8

 

 

 

 

 

 

SRU

1

1

1

1

1

 

 

 

 

 

 

PCG

4

4

4

4

4

 

 

 

 

 

 

Temp. Grade

–40°C to

–40°C to

–40°C to

–40°C to

–40°C to

 

+85°C

+105°C

+85°C

+85°C

+85°C

 

 

 

 

 

 

Execution from Ext.

Yes

Yes

Yes

Yes

Yes

Memory?

 

 

 

 

 

 

 

 

 

 

 

MLB (Media Local Bus)

Yes

Yes

Yes

Yes

Yes

 

 

 

 

 

 

FIR Accelerators

Yes

Yes

Yes

Yes

Yes

 

 

 

 

 

 

IIR Accelerators

Yes

Yes

Yes

Yes

Yes

 

 

 

 

 

 

FFT Accelerators

Yes

Yes

Yes

Yes

Yes

 

 

 

 

 

 

WDT

Yes

Yes

Yes

Yes

Yes

 

 

 

 

 

 

AMI Interface 16 bit

Yes

Yes

Yes

Yes

Yes

 

 

 

 

 

 

SDRAM Bus Width

16 bit

16 bit

16 bit

16 bit

16 bit

 

 

 

 

 

 

IDP/PDAP

Yes

Yes

Yes

Yes

Yes

 

 

 

 

 

 

Getting Started With SHARC Processors

1-15

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Analog Devices 82-003536-01 manual ADSP-2148x Sharc Processor Specifications
Page 28 Page 30

82-003536-01 specifications

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