Table 1-5 – Analog Devices SHARC Processors 82-003536-01 User Manual
Page 29
Getting Started With SHARC Processors
1-15
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
+85°C
–40°C to
+105°C
–40°C to
+85°C
–40°C to
+85°C
–40°C to
+85°C
Execution from Ext.
Memory?
Yes
Yes
Yes
Yes
Yes
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