Blackfin®
Embedded Processor
a
ADSP-BF531/ADSP-BF532
External memory controller with glueless support for
SDRAM, SRAM, FLASH, and ROM
Flexible memory booting options from SPI® and
external memory
FEATURES
Up to 400 MHz high performance Blackfin processor
Two 16-bit MACs, two 40-bit ALUs, four 8-bit video ALUs,
40-bit shifter
PERIPHERALS
RISC-like register and instruction model for ease of pro-
gramming and compiler-friendly support
Advanced debug, trace, and performance monitoring
0.8 V to 1.2 V core VDD with on-chip voltage regulation
1.8 V, 2.5 V, and 3.3 V compliant I/O
Parallel peripheral interface PPI/GPIO, supporting
ITU-R 656 video data formats
Two dual-channel, full duplex synchronous serial ports, sup-
porting eight stereo I2S channels
12-channel DMA controller
160-ball mini-BGA, 169-ball lead free PBGA, and 176-lead
LQFP packages
SPI-compatible port
Three timer/counters with PWM support
UART with support for IrDA®
Event handler
Real-time clock
Watchdog timer
Debug/JTAG interface
On-chip PLL capable of 0.5؋
to 64؋
frequency multiplication
Core timer
MEMORY
Up to 84K bytes of on-chip memory:
16K bytes of instruction SRAM/Cache
32K bytes of instruction SRAM
32K bytes of data SRAM/Cache
4K bytes of scratchpad SRAM
Two dual-channel memory DMA controllers
Memory management unit providing memory protection
EVENT
CONTROLLER/
CORE TIMER
JTAG TEST AND
EMULATION
WATCHDOG TIMER
REAL-TIME CLOCK
VOLTAGE
REGULATOR
B
UART PORT
IrDA
L1
L1
DATA
MMU
INSTRUCTION
MEMORY
MEMORY
TIMER0, TIMER1,
TIMER2
CORE/SYSTEM BUS INTERFACE
PPI / GPIO
DMA
CONTROLLER
SERIAL PORTS (2)
SPI PORT
BOOT ROM
EXTERNAL PORT
FLASH, SDRAM
CONTROL
Figure 1. Functional Block Diagram
Blackfin and the Blackfin logo are registered trademarks of Analog Devices, Inc.
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
www.analog.com
© 2006 Analog Devices, Inc. All rights reserved.
ADI [ ADI ]
