Blackfin®
Embedded Processor
a
Preliminary Technical Data
FEATURES
Up to 500 MHz high performance Blackfin processor
Two 16-bit MACs, two 40-bit ALUs, four 8-bit video ALUs,
40-bit shifter
ADSP-BF538/ADSP-BF538F
Memory management unit providing memory protection
External memory controller with glueless support
for SDRAM, SRAM, flash, and ROM
Flexible memory booting options from SPI® and external
memory
RISC-like register and instruction model for ease of pro-
gramming and compiler friendly support
PERIPHERALS
Advanced debug, trace, and performance monitoring
0.8 V to 1.2 V core VDD with on-chip voltage regulation
3.3 V tolerant I/O with specific 5 V tolerant pins
316-ball Pb-free mini-BGA package
Parallel peripheral interface (PPI/GPIO)
supporting ITU-R 656 video data formats
Four dual-channel, full-duplex synchronous serial ports, sup-
porting 16 stereo I2S® channels
Two DMA controllers supporting 26 DMA channels
Controller area network (CAN) 2.0B controller
Three SPI-compatible ports
Three timer/counters with PWM support
Three UARTs with support for IrDA®
Two TWI controllers compatible with I2C® industry standard
Up to 54 general-purpose I/O pins (GPIO)
Real time clock, watchdog timer, and core timer
On-chip PLL capable of 0.5x To 64x frequency multiplication
Debug/JTAG interface
MEMORY
148K bytes of on-chip memory:
16K bytes of instruction SRAM/cache
64K bytes of instruction SRAM
32K bytes of data SRAM
32K bytes of data SRAM/cache
4K bytes of scratchpad SRAM
512K bytes or 1M byte of flash memory (ADSP-BF538F parts
only)
Four dual-channel memory DMA controllers
JTAG TEST AND EMULATION
VOLTAGE REGULATOR
INTERRUPT
WATCHDOG
CONTROLLER
TIMER
B
TWI0-1
RTC
CAN 2.0B
GPIO
PORT
C
L1
L1
DATA
MEMORY
PPI
GPIO
SPI1-2
INSTRUCTION
MEMORY
GPIO
PORT
F
TIMER0-2
SPI0
DMA CORE
BUS 1
DMA ACCESS
BUS 1
GPIO
PORT
D
DMA ACCESS
BUS 0
DMA CORE
BUS 0
UART1-2
UART0
SPORT0-1
DMA
CONTROLLER1
GPIO
PORT
E
EXTERNAL PORT
FLASH, SDRAM CONTROL
DMA
CONTROLLER0
SPORT2-3
DMA
EXTERNAL
BUS 1
DMA
EXTERNAL
BUS 0
512 KB OR 1 MB
FLASH MEMORY
BOOT ROM
(ADSP-BF538F ONLY)
Figure 1. Functional Block Diagram
Blackfin and the Blackfin logo are registered trademarks of Analog Devices, Inc.
Rev. PrD
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
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