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CPU and Flexible IO
High performance 32 Bit RISC-V processor Core and HIFI 4 DSP;
RISC-V contains floating point unit(FPU), supports floating point arithmetic;
RISC-V maximum speed 125MHz and HIFI 4 maximum speed 270MHz;
Program memory: internal 16Mbit flash;
On-chip RAM 892KB;
Flexible GPIO pins with Programmable pull-up and pull-down resistors;
Support GPIO wakeup or interrupt;
Audio Interface
Audio codec with 24bit stereo DAC and 24bit mono ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48,96,192, 384KHz;
Two channels MIC amplifier input;
High performance mono audio ADC with 101dB SNR, support single-ended and differential mode;
High performance stereo audio DAC with 103dB SNR, support single-ended and differential mode;
Package
QFN32
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;