Product Overview
The ADSP-BF706BCPZ-4 is a low-power Blackfin+ embedded processor from Analog Devices, featuring a 400MHz core with 1MByte on-chip L2 SRAM. Packaged in an 88-lead LFCSP (12x12mm), it integrates dual MAC units, crypto accelerators, USB 2.0 HS OTG, dual CAN, and multiple serial interfaces. Consuming less than 100mW at 400MHz, it delivers high DSP performance with exceptional power efficiency for embedded signal processing applications.
Key Specifications
| Core | Blackfin+ (32-bit fixed-point DSP) |
| Max Clock | 400MHz |
| L1 SRAM | 136KB (64KB I, 64KB D, 8KB scratch) |
| L2 SRAM | 1MByte (ECC protected) |
| L2 ROM | 512KByte |
| MAC Units | Dual 16-bit or single 32-bit per cycle |
| USB | 2.0 HS OTG |
| CAN | 2x CAN 2.0B |
| Serial Ports | 2x SPORT (I2S), 2x Quad-SPI, I2C, 2x UART |
| Crypto | AES, DES, SHA, HMAC, RSA accelerators |
| Power | <100mW @ 400MHz |
| Package | 88-lead LFCSP (12x12mm) |
| Operating Temperature | -40°C to +85°C |
Features
- Blackfin+ core with 400MHz performance and enhanced instruction set
- 1MByte on-chip L2 SRAM with ECC for reliable data storage
- Dual 16-bit or single 32-bit MAC per clock cycle
- Hardware crypto accelerators for secure boot and IP protection
- USB 2.0 HS OTG controller
- Dual CAN 2.0B controllers for automotive and industrial networks
- Low power: <100mW at 400MHz (<0.25mW/MHz)
- ePPI parallel video interface for camera and display
- SD/SDIO/MMC 4-bit host controller
Applications
- Industrial motor control and power conversion
- Automotive ADAS and vision systems
- Audio and voice processing
- Secure IoT edge devices
- Medical instrumentation
- Software-defined radio