CM6637 Datasheet PDF (USB 2.0 High Speed Audio Controller)

CM6637 - USB 2.0 High Speed Audio Controller

Download the CM6637 datasheet PDF (CM6637-C included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for usb 2.0 high speed audio controller.

Description

The CM6637 is a USB 2.0 high speed audio controller that complaints with USB Audio Device Class 2.0.

The CM6637 provides standard I2S and S/PDIF digital audio interface.

The maximum outputs are 12 channels separate to I2S, TDM, HDA and S/PDIF.

Features

Compliant with USB 2.0 high-speed.
Compliant with USB Audio Device Class 2.0/1.0.
Compliant with USB Human Interface Device (HID) Class 1.1.
Supports USB suspend/resume/reset functions.
Supports control, interrupt, bulk, and isochronous data transfers.
Input and output support I2S/TDM/HDA and SPDIF digital audio interfaces.
The first I2S output supports up to 768KHz/32bits PCM.
The first I2S supports both DoP and Native DSD.
DoP up to 11.2MHz, DSD256.

📥 Download Datasheet

CM6637 usb 2.0 high speed audio controller by C-Media - Datasheet Preview — Note: The manufacturer provides a single datasheet file (CM6637-C-Media.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	CM6637
Manufacturer	C-Media
File Size	1.60 MB
Description	USB 2.0 High Speed Audio Controller
Datasheet	CM6637 Datasheet

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Full PDF Text Transcription

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DESCRIPTION The CM6637 is a USB 2.0 high speed audio controller that complaints with USB Audio Device Class 2.0. The CM6637 provides standard I2S and S/PDIF digital audio interface. The maximum outputs are 12 channels separate to I2S, TDM, HDA and S/PDIF. The maximum inputs are 12 channels as well and separate to I2S, TDM, HDA and S/PDIF. The first I2S out interface can be used to transfer PCM and DSD audio data. Moreover, the CM6637 supports I2C, SPI and GPIOs to communicate with external device. The CM6637 is embedded with 8051 MCU and 512KB flash makes it is very flexible to change the USB topology or communicate with external device by changing internal flash code. BLOCK DIAGRAM CM6637 USB 2.0 High Speed Audio Controller FEATURES  Compliant with USB 2.

Published: Jan 25, 2025 |