Blackfin Embedded
Symmetric Multiprocessor
ADSP-BF561 
FEATURES
Dual symmetric 600 MHz high performance Blackfin cores
328K bytes of on-chip memory
Each Blackfin core includes
Two 16-bit MACs, two 40-bit ALUs, four 8-bit video ALUs,
40-bit shifter
RISC-like register and instruction model for ease of pro-
gramming and compiler-friendly support
Advanced debug, trace, and performance monitoring
Wide range of operating voltages, (see Operating Conditions
256-ball CSP_BGA (2 sizes) and 297-ball PBGA
package options
PERIPHERALS
Dual 12-channel DMA controllers
(supporting 24 peripheral DMAs)
2 memory-to-memory DMAs
2 internal memory-to-memory DMAs and 1 internal memory
DMA controller
12 general-purpose 32-bit timers/counters with PWM
capability
SPI-compatible port
UART with support for IrDA
Dual watchdog timers
Dual 32-bit core timers
48 programmable flags (GPIO)
On-chip phase-locked loop capable of 0.5 × to 64 × frequency
multiplication
2 parallel input/output peripheral interface units supporting
ITU-R 656 video and glueless interface to analog front end
ADCs
2 dual channel, full duplex synchronous serial ports support-
ing eight stereo I 2 S channels
VOLTA
REGULA
JTAG TEST
EMULATION
IRQ CONTROL/
WATCHDOG
TIMER
B
B
UART
IrDA
L1
INSTRUCTION
MEMORY
L1
DATA
MEMORY
L1
INSTRUCTION
MEMORY
L1
DATA
MEMORY
L2 SRAM
128K BYTES
SPI
SPORT0
EAB
DMA
CONTROLLER1
CORE SYSTEM/BUS INTERFACE
IMDMA
CONTROLLER
SPORT1
GPIO
BOOT ROM
32
DEB
DMA
CONTROLLER2
DAB
16
TIMERS
32
DAB
PAB
16
EXTERNAL PORT
FLASH/SDRAM CONTROL
PPI0
PPI1
Figure 1. Functional Block Diagram
Blackfin and the Blackfin logo are registered trademarks of Analog Devices, Inc.
Rev. E
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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 U.S.A.
Tel: 781.329.4700 www.analog.com
registered trademarks are the property of their respective owners.
Fax: 781.461.3113
? 2009 Analog Devices, Inc. All rights reserved.
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