Ultra Low Power Voice and Audio DSP Subsystem

Model: CS48L11

120-MHz single-core Cirrus Logic 32-bit DSP
Advanced Harvard architecture with separate X, Y, and P memory space
Fixed-point DSP core can perform 2 multiply-andaccumulate (MAC) operations (32x32) per clock cycle
Eight 72-bit accumulators
20K words of 32-bit X-data RAM

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The CS48L10 ultra low power voice and audio DSP chip has been designed to bring best-in-class audio processing capability to mobile/portable applications, while having minimum impact on overall system power consumption. The CS48L10 provides designers with the opportunity to enhance, improve, and differentiate their products, while simultaneously reducing the audio-processing burden from the main system processor.

120-MHz single-core Cirrus Logic 32-bit DSP
Advanced Harvard architecture with separate X, Y, and P memory space
Fixed-point DSP core can perform 2 multiply-andaccumulate (MAC) operations (32x32) per clock cycle
Eight 72-bit accumulators
20K words of 32-bit X-data RAM
24K words of 32-bit Y-data RAM
20K words of 32-bit P-code RAM
40Kx32 total ROM
Ultralow power consumption: 0.1mW/MHz (typical code, core supply only)
On-chip 8-channel DMA
Configurable serial audio inputs/outputs
Master or slave mode for digital audio inputs (DAI) (up to 6-ch I²S or 8-ch TDM)
Master or slave mode for digital audio output (DAO) (up to 6-ch I²S or 8-ch TDM)
Supports fs sample rates of 8, 12, 16, 24, 32, 44.1, 48, 96, and 192KHz
I²C™ or SPI™ serial interface port
Master or slave operation
Integrated clock manager/PLL
Flexibility to operate from internal PLL or external oscillator
Internal programmable interrupt controller (PIC)
Timers and watchdog
Configurable GPIOS
1.0–1.2V for core and memory; 1.8–3.3V for I/O
Integrated, high-efficiency power management reduces power consumption
X, Y and P memory partitioned into 4K blocks (8K blocks for P ROM)
Each memory block has independent power down control
DSP core clock scaling and voltage scaling
Low power modes for DSP core

Operating Temperature (Maximum): 158 F
Operating Temperature (Minimum): 32 F
Wireless: No
AC Voltage: 1 Volts
Active Power: 0 Watt

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