CS201 Type-C docking station audio chip | CS201 USB audio design solution | CS201 design data

CS201 is a USB sound card chip, mainly used in the design and development of USB audio products such as USB headphones, USB microphones, USB speakers, USB Type-C docking stations, etc.

The parameters and features of CS201 are as follows:

1 Product Features

CPU and flexible IO

 32-bit high-performance CPU with DSP

instruct

 Program memory: internal 2M-bit flash memory

 Flexible GPIO pins with programmable pull-up and pull-down resistors;

 Support GPIO wake-up or interrupt;

Audio Interface

 95dB high performance stereo DAC

Signal-to-noise ratio;

 Three-channel high-performance ADC

90dB signal-to-noise ratio;

 Stereo MIC amplifier input;

 Support flexible audio equalizer adjustment;

 Support sampling rates of 8, 11.025, 12, 16, 22.05,

32, 44.1 and 48KHz;

 Four-channel stereo analog MUX;

 VID and PID information can be configured;

 Audio head plugging and unplugging

Investigation

 Headphone microphone detection;

 Automatic identification of OMTP and CTIA

Headphones and automatic adaptation;

Peripherals and interfaces

 Support touch keys;

 Two 32-bit timers;

 Two multi-function 32-bit timers,

Support capture and PWM modes;

 Monitoring

 Three full-duplex UARTs;

 Two SPIs;

 Infrared controller;

 Integrated IRTC;

SD card host controller;

 16-channel 10-bit SARADC;

 Built-in PMU, such as LDO/LVD/POR;

Packaging

 QFN20 3x3

temperature

 Operating temperature: -40℃ to +85℃;

 Storage temperature: -65℃ to +150℃;

2. CS201 Package Definition

2.1 CS201 Pin Assignment

2.2 CS201 Pin Description

Table 2-1 QFN20 3x3 pin description

Note: I/O: digital input/output; I: digital input; A: analog pin; PWR: power pin; GND: ground.

The circuit diagram of the USB TYPEC audio output scheme designed by CS201 is as follows: