Analog Devices SHARC Processors 82-003536-01 - 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