Filter
Top Products
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
44444
UART
11111
SPI
22222
SPDIF
11111
TWI
11111
Timer
33333
SPORT
88888
SRU
11111
PCG
44444
Temp. Gra de
–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