Analog Devices 82-003536-01 Introduction to SHARC Processors, ADSP-21483, ADSP-21486, ADSP-21487

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