Product Overview
The ADSP-BF522BBCZ-3A from Analog Devices is a 300 MHz Blackfin embedded processor in a 208-ball CSPBGA package. Featuring 132 kB on-chip SRAM, 32 kB ROM, and rich peripherals including SPORT, SPI, UART, TWI, and USB, it targets signal processing and control applications requiring deterministic real-time performance.
Key Specifications
| Core | Blackfin (dual-MAC, 40-bit ALU) |
| Clock Rate | 300 MHz |
| On-Chip SRAM | 132 kB |
| On-Chip ROM | 32 kB |
| Core Voltage | 1.3 V |
| I/O Voltage | 1.8V, 2.5V, 3.3V |
| Peripherals | 2xSPORT, SPI, TWI, 2xUART, USB, 8xTimer, 48xGPIO |
| Package | 208-Ball CSPBGA (17×17 mm) |
| Operating Temperature | -40 to +85 deg C |
| Security | Lockbox OTP for code/content protection |
Features
- 300 MHz Blackfin core with dual 16-bit MAC units
- 132 kB on-chip SRAM for deterministic execution
- Lockbox security with OTP memory for IP protection
- Two full-duplex synchronous serial ports (SPORT)
- Deep Sleep ~1 mA and Hibernate ~50 uA low-power modes
- External memory interface for SDRAM and async memory
- Rich timer/counters: 8 x 32-bit plus RTC and watchdog
Applications
- Audio and voice signal processing
- Industrial motor control and instrumentation
- Automotive audio processing
- Medical imaging and signal analysis
- Secure embedded communications