Update: 29 September, 2023
The STA321MP is a four-channel digital audio system with an FFX™ driver. It features a high efficiency FFX™ class-D modulator, 100 dB dynamic range, two stereo channels with I²S input/output data interface, a 16-bit stereo ADC input with PGA and microphone biasing, a PDM input interface for MEMS microphones connection, analog and digital muxing/mixing capability, an eight-channel input sample rate converter (8 kHz to 192 kHz), four channels of 24-bit audio processing, flexible channel mapping and routing, various output configurations (2.0, 2.1, 4.0, Mono), an advanced four-channel programmable audio processor, including embedded CMOS bridge, pfStart for pop-free single-ended operations, dynamic range compressor, play and record simultaneous operation, pre and post mix stages, individual channel and master gain/attenuation, digital gain/attenuation (-105 dB to +36 dB in 0.5 dB steps), soft volume update and muting, selectable DC-blocking high-pass filter, selectable de-emphasis filter, up to 13 28-bit user programmable biquads (EQ) per channel, advanced noise-shaping technologies enabling low frequencies optimized processing, bass/treble tone control, ternary, binary or phase shift modulation, PWM output, headphone output with jack detector, and I²C control.
File format: PDF
Size: -
MD5 Checksum: 7039BD07C612DA03192923F1B02CF426
Publication date: 06 August, 2012
Downloads: -
PDF Link: ST STA321MP handbook PDF