DSPB56371AF180 is a member of the DSP56300 series developed by NXP Semiconductors (formerly Freescale). It is a powerful 24-bit fixed-point digital signal processor designed specifically for audio processing, audio enhancement, and multi-channel audio systems. The DSP is widely used in automotive, consumer audio,
audio, and audio control systems.
With a clock frequency of 180 MHz, an integrated audio interface, and a powerful memory system, the DSPB56371AF180 provides a reliable and scalable platform for digital audio applications that require high processing quality and low power consumption.
Technical specifications
Feature description
Component number DSPB56371AF180
DSP core DSP56300 core (24-bit fixed)
Core speed Maximum 180 MHz
Instruction set Enhanced 24-bit instruction set
Random access memory 132 kB (X and Y memory on chip)
Read-only memory 52 kB ROM on chip
Audio interface 3× SAI (synchronized audio interface), I²S compatible
Peripheral device interface SPI, SCI, GPIO
DMA channels 6 independent channels
Operating voltage: 1.2 V (core), 3.3 V (I/O)
Package: 100-pin LQFP
Operating temperature: –40 °C to +85 °C (automotive/industrial)
🔗 DSP56371 – NXP (PDF)
Key features
- ✅ High-precision 24-bit audio processing
- ✅ Low power consumption, suitable for portable and automotive systems
- ✅ Three dual stereo audio interfaces (SAI/I²S)
- ✅ On-chip ROM for code execution and diagnostics
- ✅ Multi-channel DMA controller for efficient memory access
- ✅ Real-time audio effects and encoding and decoding processing
DSPB56371AF180 Applications
- Information and entertainment systems in cars
Used in:
- Digital audio players
- Sound enhancement modules
- Noise reduction and sound enhancement
The DSPB56371AF180 enables multiple real-time audio processing with low latency and high accuracy in automotive systems.
- Home and portable audio devices
Suitable for use in:
- High-precision wireless speakers
- Multi-room audio systems
Smart speakers and AV receivers
The integrated I²S interface and flexible DMA system enable seamless connection to digital audio codecs and decoders as well as Bluetooth modules.
- Professional audio equipment and audio recording devices
Suitable for use in:
- Digital audio mixing
- Audio processor
- DSP-supported audio equalizer and audio compressor
Supports precise digital filtering, dynamic adjustment, and multiple frequency settings.
- Sound recognition and processing systems
Suitable for use in:
- Smart speaker center
- Voice command systems
- In-car audio aids
With its ability to process signal shaping in real time, remove echo and reduce noise, it is suitable for artificial intelligence-supported audio interfaces.
Why choose the DSPB56371AF180 from DRex Electronics?
At DRex Electronics, we provide engineers and original equipment manufacturers in the audio, automotive, and integrated device industries with high-performance, long-life DSP processors such as the DSPB56371AF180.
Why choose DRex?
- ✅ We offer a wide range of DSP products from NXP and Freescale
- ✅ Guaranteed quality according to ISO 9001
- 📦 Global logistics service with static-proof packaging
- 🔧 Enhanced bill of materials (BOM), cross-reference matching, and technical support
- 🌍 Trusted by leading manufacturers in audio technology and integrated design
