ADI公司的ADSP-BF52x是600MHz高性能Blackfin处理器,采用ADI/Intel的微信号架构(MSA),包括了双MAC的信号处理引擎,RISC类微处理器指令以及SIMD多媒体功能.而ADSP-BF527 EZ-KIT Lite评估板通过基于USB PC主机的高性价比评估 DSP-BF527的平台.本文介绍了ADSP-BF52x主要特性,方框图,ADSP-BF527 EZ-KIT Lite评估板主要特性,系统框图,电路图,材料清单和PCB布局图.
 
The ADSP-BF52x processors are members of the Blackfin family of products, incorporating the Analog Devices/Intel Micro Signal Architecture (MSA). Blackfin® processors combine a dual-MAC state-of-the-art signal processing engine, the advantages of a clean, orthogonal RISC-like microprocessor instruction set, and single-instruction, multiple-data (SIMD) multimedia capabilities into a single instruction-set
architecture.

The ADSP-BF52x processors are completely code compatible with other Blackfin processors. The ADSP-BF523/ ADSP-BF525/ADSP-BF527 processors offer performance up to 600 MHz. The ADSP-BF522/ADSP-BF524/ADSP-BF526 processors offer performance up to 400 MHz and reduced static power consumption.

ADSP-BF52x主要特性:

Up to 600MHz high performance Blackfin processor

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 programming and compiler-friendly support

Advanced debug, trace, and performance monitoring

Accepts a wide range of supply voltages for internal and I/O operations.

Programmable on-chip voltage regulator (ADSP-BF523/ADSP-BF525/ADSP-BF527 processors only)

Qualified for Automotive Applications.

289-ball and 208-ball CSP_BGA packages

MEMORY

132K bytes of on-chip memory (See Table 1 on Page 3 for L1 and L3 memory size details) External memory controller with glueless support for SDRAM and asynchronous 8-bit and 16-bit memories

Flexible booting options from external flash, SPI, and TWI memory or from host devices including SPI, TWI, and UART

Code security with Lockbox Secure Technology

one-time-programmable (OTP) memory

Memory management unit providing memory protection

PERIPHERALS

USB 2.0 high speed on-the-go (OTG) with integrated PHY

IEEE 802.3-compliant 10/100 Ethernet MAC

Parallel peripheral interface (PPI), supporting ITU-R 656 video data formats

Host DMA port (HOSTDP)

2 dual-channel, full-duplex synchronous serial ports (SPORTs), supporting eight stereo I2S channels

12 peripheral DMAs, 2 mastered by the Ethernet MAC

2 memory-to-memory DMAs with external request lines

Event handler with 54 interrupt inputs

Serial peripheral interface (SPI) compatible port

2 UARTs with IrDA support

2-wire interface (TWI) controller

Eight 32-bit timers/counters with PWM support

32-bit up/down counter with rotary support

Real-time clock (RTC) and watchdog timer

32-bit core timer

48 general-purpose I/Os (GPIOs), with programmable hysteresis

NAND flash controller (NFC)

Debug/JTAG interface

On-chip PLL capable of frequency multiplication

图1.ADSP-BF52x处理器框图

ADSP-BF527 EZ-KIT Lite评估板

Thank you for purchasing the ADSP-BF527 EZ-KIT Lite®, Analog Devices, Inc. evaluation system for the ADSP-BF523, ADSP-BF525, and ADSP-BF527 Blackfin® processors.Blackfin processors embody a new type of embedded processor designed specifically to meet the computational demands and power constraints of today’s embedded audio, video, and communications applications. They deliver breakthrough signal-processing performance and power efficiency within a reduced instruction set computing (RISC) programming model.

Blackfin processors support a media instruction set computing (MISC) architecture. This architecture is the natural merging of RISC, media functions, and digital signal processing (DSP) characteristics. Blackfin processors deliver signal-processing performance in a microprocessor-like environment.

Based on the Micro Signal Architecture (MSA), Blackfin processors combine a 32-bit RISC instruction set, dual 16-bit multiply accumulate (MAC) DSP functionality, and eight-bit video processing performance that had previously been the exclusive domain of very-long instruction word (VLIW) media processors.

The evaluation board is designed to be used in conjunction with the VisualDSP++® development environment to test capabilities of the

ADSP-BF523/BF525/BF527 Blackfin processors. The VisualDSP++development environment aids advanced application code development and debug, such as:

• Create, compile, assemble, and link application programs written in C++, C, and ADSP-BF527 assembly

• Load, run, step, halt, and set breakpoints in application programs

• Read and write data and program memory

• Read and write core and peripheral registers

• Plot memory

Access to the processor from a personal computer (PC) is achieved through a USB port or an external JTAG emulator. The USB interface provides unrestricted access to the ADSP-BF527 processor and evaluation board peripherals. Analog Devices JTAG emulators offer faster communication between the host PC and target hardware. Analog Devices carries a wide range of in-circuit emulation products.

The ADSP-BF527 EZ-KIT Lite provides example programs to demonstrate the evaluation board capabilities.

ADSP-BF527 EZ-KIT Lite评估板主要特性:

• Analog Devices ADSP-BF527 Blackfin processor

• Core performance up to 600 MHz

• External bus performance up to 133 MHz

• 289-pin 0.5 mm pitch mini-BGA package

• 25 MHz oscillator

• Synchronous dynamic random access memory (SDRAM)

• Micron MT48LC32M16A2TG – 64 MB (8M x 16 bits x 4 banks)

• Parallel flash memory

• ST Micro M29W320EB – 32 Mb (2M x 16 bits)

• NAND flash memory

• Numonyx NAND04 – 4 Gb

• SPI flash memory

• ST Micro M25P16 – 16 Mb

• Internal audio codec

• Low-power audio codec

• One stereo LINE OUT jack

• One input MIC jack

• One input stereo LINE IN jack

• TFT LCD display with touchscreen

• Sharp LQ035Q1DH02 320 x 240 3.5’’ touchscreen LCD

• Analog Devices AD7879-1 four-wire touchscreen controller

• Ethernet interface

• SMSC LAN8700 PHY device

• 10-BaseT and 100-BaseTX Ethernet controller

• Auto-MDIX

• Keypad

• Analog Devices ADP5520 keypad controller

• ACT components– 4 x 4 keypad assembly

• Thumbwheel

• CTS Corp rotary encoder

• Universal asynchronous receiver/transmitter (UART)

• ADM3202 RS-232 line driver/receiver

• DB9 female connector

• LEDs

• Ten LEDs: one power (green), one board reset (red), three general-purpose (yellow), one USB monitor (amber), PHY link (yellow), PHY activity (green), keypad controller (red), and FPGA done (yellow)

• Push buttons

• Three push buttons: one reset, two programmable flags with debounce logic

• Expansion interface

• Provides access to all ADSP-BF527 processor signals

• Other features

• JTAG ICE 14-pin header

• USB OTG connector

• HOST interface connector

• Power measurement jumpers

• PPI IDC connector

• SPORT0 and SPORT1 IDC connectors

• TWI, SPI, timers, and UART0 IDC connectors

The ADSP-BF527 EZ-KIT Lite® provides developers with a cost-effective method for initial evaluation of the ADSP-BF527 Blackfin® Processors via a USB-based, PC-hosted tool set. With this EZ-KIT Lite, users can learn more about the Analog Devices (ADI) ADSP-BF527 hardware and software development, and quickly prototype a wide range of applications.

Blackfin Processor desktop evaluation board along with an evaluation suite of the VisualDSP++® development and debugging environment, including the C/C++ compiler, assembler, and linker. The evaluation suite of VisualDSP++ is designed to be used with the EZ-KIT Lite only.

The EZ-KIT Lite ships with with a landscape, Low Power QVGA Touch Screen LCD panel, a set of Stereo Headphones and all of the necessary supplemental cables (USB, Ethernet, etc.).


图2.ADSP-BF527 EZ-KIT Lite评估板外形图

ADSP-BF527 EZ-KIT Lite评估板主要特性:

ADSP-BF527 Processor: 289 Ball mBGA, 600MHz; LFBGA-SS2, 12mmX12mm/0.5 pitch, 4L, (A02)

SDRAM: 64 MB, 32M x 16; Micron MT48LC32M16A2 3.3V

FLASH: 4 MB (2M x 16 ); Numonyx M29W320EB70ZE6E 3.3V

NAND FLASH: 4 Gb Numonyx NAND04; NAND04GW3B2B 3.3V

SPI FLASH: 16 Mb Numonyx M25P16-VMW6G 3.3V

Thumbwheel: CTS Corp, Rotary Encoder, 2 Bit Binary, CT2999-ND

Keypad: ACT-07-30008-000-R

UART: ADM3202 RS-232 line driver/receiver; DB9 female connector

RTC Battery: 3.0 Volt Li-ION

LCD Display: Varitronix - Landscape QVGA, 5 in, 320x240, Touch Screen

Selectable Boot Mode

Audio I/O: Mic in, Line In, Headphone Out, Line Out

图3.ADSP-BF527 EZ-KIT Lite评估板系统框图


图4.ADSP-BF527 EZ-KIT Lite评估板电路图(1)

图5.ADSP-BF527 EZ-KIT Lite评估板电路图(2)

图6.ADSP-BF527 EZ-KIT Lite评估板电路图(3)

图7.ADSP-BF527 EZ-KIT Lite评估板电路图(4)

图8.ADSP-BF527 EZ-KIT Lite评估板电路图(5)

图9.ADSP-BF527 EZ-KIT Lite评估板电路图(6)

图10.ADSP-BF527 EZ-KIT Lite评估板电路图(7)

图11.ADSP-BF527 EZ-KIT Lite评估板电路图(8)

图12.ADSP-BF527 EZ-KIT Lite评估板电路图(9)

图13.ADSP-BF527 EZ-KIT Lite评估板电路图(10)

图14.ADSP-BF527 EZ-KIT Lite评估板电路图(11)

图15.ADSP-BF527 EZ-KIT Lite评估板电路图(12)

图16.ADSP-BF527 EZ-KIT Lite评估板电路图(13)

图17.ADSP-BF527 EZ-KIT Lite评估板电路图(14)
ADSP-BF527 EZ-KIT Lite评估板材料清单:













图18.ADSP-BF527 EZ-KIT Lite评估板PCB布局图:顶层

图19.ADSP-BF527 EZ-KIT Lite评估板PCB布局图:底层
详情请见:
http://www.analog.com/static/imported-files/data_sheets/ADSP-BF522_BF523_BF524_BF525_BF526_BF527.pdf
和
http://www.analog.com/static/imported-files/eval_kit_manuals/BF527_EZKIT_Lite_manual_Rev_1.6.pdf