AMI Semiconductor
BelaSigna™ 200 Single-Chip Audio Processing System
Key Features
• Up to 200 peak MIPS at 33MHz operating frequency
• Ultra-low power consumption: down to 0.05mW/MIPS
• Ultra miniaturized package options available
• Low supply voltage: 1.2V - 1.8V (CSP 1.8V only)
• Dual-Harvard 16-bit DSP core
• Dedicated filterbank coprocessor yielding equivalent
5MIPS/MHz; performs subband analysis and synthesis,
windowing, time folding, and equalization
• 8-Kwords data RAM and 12-Kwords program RAM
• Dual-channel 16-bit Σ∆ ADC/DAC with integrated
programmable amplifiers, attenuators and filters
• Programmable audio signal sampling rate up to 60kHz
• Six low-speed analog inputs (10-bit ADC, nominal
1.6kHz sampling rate)
• On-chip power management
• Programmable internal oscillator; external clock support
up to 33MHz
• Numerous digital interfaces including: GPIO, SPI, UART,
I2S, TWSS, PCM
• Package options: Evaluation PLCC, QFN52 (8 x 8mm),
CSP40 (2.3 x 3.7mm)
Product Description
This single-chip solution is ideally suited for embedded
applications where audio performance, low power
consumption and miniaturization are critical.
BelaSigna 200 targets a wide variety of digital speech-
and audio-centric products.
BelaSigna 200 is a high-performance, programmable,
mixed-signal digital signal processing (DSP) system that
is based on AMI Semiconductor’s patented second-
generation SignaKlara™ technology.
Product Benefits
Exceptional Audio Performance: Integrated single-
chip technology facilitates high-fidelity sound.
Software-Programmable: Advanced algorithms are
easily implemented with the evaluation and
development kit (EDK).
Ultra-Miniature Size: Easily embedded in even the
smallest portable devices.
Highly Cost-Effective: Single-chip contains DSP core,
coprocessor, full stereo audio signal path, memory, and
more. Encompasses a complete bill-of-material for
consumer OEM products.
Ultra-Low Power Consumption: High computational
capabilities without compromising battery life.
Fast Time-to-Market: Advanced audio and speech
processing algorithms are available. Limited external
component requirements help simplify hardware
design.
Flexible: Fully software-programmable, allowing for
OEM product variations and upgrades using the same
device.