2023年7月29日发(作者：)

USB 2.0 High-Speed True HD Audio Processor

DESCRIPTION FEATURES

Cmedia CM6610A is the world’s first USB2.0

 USB Spec. Rev.2.0 high-speed/full-speed mode

high-speed audio processor that can support the compatible

latest USB Audio Device Class Definition V2.0 and

 Latest USB Audio Device Class Definition Release

2-channel true high-definition audio and 2.0/1.0 compatible (UAC V2.0)

Line-In/Mic-In. CM6610A reference design

 USB Human Interface Device (HID) Class

integrates CM9822 as the default codec to provide Definition Release 1.1 compliant

high-fidelity line output and headphone out up to

 Supports USB suspend/resume/reset functions

192KHz/24bit HD audio. It could also support

 Supports control, interrupt, bulk, and

192KHz/24bit S/PDIF transmitter and receiver and isochronous data transfers S/PDIF output

also a USB2.0 MIDI I/O device for music creation interface Audio Engine

applications. CM6610A has an embedded 8051

 Output capability (With Cmedia CM9822A HD

compatible microprocessor that can provide the Audio Codec)

best flexibility and functionality with the external

 2-channel output

upgradable 32KB NOR Flash ROM codes. With

 Sample Rate: 44.1K/48K/96K/192KHz (192KHz is

Cmedia versatile software technologies, CM6610A available only in USB Audio Class 2.0/High-speed

is a powerful audio core for high-value USB2.0 mode)

audio applications.

 Bit Resolution: 16/24 bit

 Supports S/PDIF output via CM9822A HD Audio

BLOCK DIAGRAM

Codec

CM6610A

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USB 2.0 High-Speed True HD Audio Processor

CM6610A

TABLE OF CONTENTS

1.

2.

3.

4.

5.

Description and Overview ............................................................................................................... 4

Features ............................................................................................................................................ 4

Applications ..................................................................................................................................... 6

Block Diagram ................................................................................................................................. 7

Pin Assignment ................................................................................................................................ 8

5.1 Pin-Out Diagram ................................................................................................................. 8

5.2 Pin Description .................................................................................................................... 9

Electrical Characteristics ................................................................................................................ 12

6.1 Maximum Ratings ............................................................................................................. 12

6.2 Recommended Operation Conditions ............................................................................... 12

6.3 Power Consumption .......................................................................................................... 12

6.4 DC Characteristics ............................................................................................................ 12

Application Notes .......................................................................................................................... 13

7.1 Typical System Block Diagram ........................................................................................ 13

7.2 Reference Schematics ....................................................................................................... 14

Package Dimension ........................................................................................................................ 15

6.

7.

8.

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USB 2.0 High-Speed True HD Audio Processor

CM6610A

Release Note

Revision

0.1

1.0

Date Description

First release of preliminary technical information

Formal release

2012/10/11

2014/02/19

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USB 2.0 High-Speed True HD Audio Processor

1.

Description and Overview

Cmedia CM6610A is the world’s first USB2.0 high-speed audio processor that can support the latest USB Audio

Device Class Definition V2.0 and 2-channel true high-definition audio and Line-In/Mic-In. CM6610A reference

design integrates CM9822A as the default codec to provide high-fidelity line output and headphone out up to

192KHz/24bit HD audio. It could also support 192KHz/24bit S/PDIF transmitter and receiver and also a USB2.0

MIDI I/O device for music creation applications. CM6610A has an embedded 8051 compatible microprocessor

that can provide the best flexibility and functionality with the external upgradable 32KB NOR Flash ROM codes.

With Cmedia versatile software technologies, CM6610A is a powerful audio core for high-value USB2.0 audio

applications.

CM6610A

2.

Features

USB Compliance

 USB Spec. Rev.2.0 high-speed/full-speed mode compatible

 Latest USB Audio Device Class Definition Release 2.0/1.0 compatible (UAC V2.0)

 USB Human Interface Device (HID) Class Definition Release 1.1 compliant

 Supports USB suspend/resume/reset functions

 Supports control, interrupt, bulk, and isochronous data transfers S/PDIF output interface Audio Engine

 Output capability (With Cmedia CM9822A HD Audio Codec)

2-channel output

Sample Rate: 44.1K/48K/96K/192KHz (192KHz is available only in USB Audio Class 2.0/High-speed mode)

Bit Resolution: 16/24 bit

Supports S/PDIF output via CM9822A HD Audio codec

 Input capability (With Cmedia CM9822A HD Audio Codec)

Supports Sample Rate for ADC: 44.1K/48K/96K/192KHz

(192KHz are available only in USB Audio Class 2.0/High-speed mode;192KHz is available only in CM9822A)

 Supports Bit Resolution for ADC : 16/24 bit (CM9822A’s ADC supports valid 20bit)

 Supports S/PDIF input for 44.1K/48K/96K/192KHz@16/24bit

(96K/192KHz/24bit are available only in USB Audio Class 2.0/High-speed mode)

Audio I/O

 Integrated Intel HD-Audio codec compatible controller supports external HDA codec

 One pair of USB MIDI I/O interface for pro-audio application

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USB 2.0 High-Speed True HD Audio Processor

Integrated 8051 Micro-processor

 Embedded 8051 micro-processor to handle the comment/protocol transactions

 Connects to an external parallel Flash/EEPROM memory (Max. 32KB, 55ns access time is required) for

firmware ROM codes

 HID interrupts can be implemented via firmware codes

 Provides maximum HW configuration flexibility with firmware code upgrade

 VID/PID/Product String can be customized via firmware code programming

CM6610A

Control Interface

 Slave I2C control interface for external master device communication

 Interrupt pin for external master device read transaction

 6 GPIO pins

 1 dedicated Chip Reset control pin

General

 Embedded USB2.0 transceiver (up to 480MB bandwidth)

 Auto detection for high-speed/full-speed

 GPIO pin for USB Audio Class 2.0 and 1.0 application mode configuration

 Only single 12MHz crystal input is required (embedded PLL function)

 Only single 3.3V power supply required (embedded 3.3V to 2.5V regulator for digital core)

 3.3V digital I/O pads with 5V tolerance

 Industrial standard LQFP-64 package

Value-added Software Features

 For Windows, Cmedia drivers provide the following features options:

Supports most industrial standards of PC 3D sound for gaming, including DirectSound™ 3D SW & HW and

EAX™ 1.0&2.0 on Windows XP

FlexBassTM- Advanced Bass Management with programmable crossover frequency and supports large

(full-range) or small (high-frequency w/o LFE) speakers

10-band Equalizer with 12 preset modes

27 global environment effects



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USB 2.0 High-Speed True HD Audio Processor

3.

Applications

 High-quality USB2.0 - 2ch Headphone/ Headset / Speakers

 High-quality USB gaming headset

 Portable high-quality USB2.0 audio box for laptops

 USB DAC/Speaker/HP Amp

 Unified Communications Peripheral Device

 ExpressCard compatible USB audio adaptor

 VGA card integrated USB2.0 audio

 Wired or wireless USB hub with audio features

 Pure USB MIDI devices

 Professional PC musician applications (recording mixer, keyboard, electrical guitar, etc.)

 Consumer stereo systems with embedded USB audio (portable CD/FM/MP3 players)

 USB2.0 VideoCam or Video Capture Box with mic/audio features

CM6610A

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USB 2.0 High-Speed True HD Audio Processor

4.

Block Diagram

CM6610A Functional Block Diagram

CM6610A

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USB 2.0 High-Speed True HD Audio Processor

5.

Pin Assignment

5.1 Pin-Out Diagram

CM6610A

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USB 2.0 High-Speed True HD Audio Processor

5.2 Pin Description

Symbol I/O

Clock

64

1

XSCI

XSCO

AI

AO

12MHz crystal oscillator input

12MHz crystal oscillator output

CM6610A

Pin # Description

USB2.0 BUS Interface

5

6

USBDM

USBDP

AIO

AIO

USB 2.0 data negative (USB D- signal)

USB 2.0 data positive (USB D+ signal)

Power/Ground

2

3

7

8

9

10

11

20

31

40

50

57

61

VCCHSRT

GNDHSRT

AVCC

AGND

DVCC

DVCC2P5

DGND

DVCC

DGND

DGND

DVCC

DGND

DVCC

AI

AI

AI

A

DI

DO

D

DI

D

D

DI

D

DI

USB PHY analog power supply pin (3.3V)

USB PHY analog ground

USB PHY analog power supply pin (3.3V)

USB PHY analog ground

Digital power supply pin (3.3V)

Digital power filter pin (2.5V), connecting external filter capacitors

Digital Ground

Digital power supply pin (3.3V)

Digital Ground

Digital Ground

Digital power supply pin (3.3V)

Digital Ground

Digital power supply pin (3.3V)

S/PDIF I

33 SPDIFI DI

S/PDIF receiver

3.3v input buffer, Schmitt trigger, pull-down

MCU Port 3/MIDI Interface

13

14

XD0/GPIO/MIMD

XD1/GPIO/MIMD

DIO

DIO

MCU port 3 bit 0 (Serial input port)

Programmable 3.3V/5V tolerance bidirectional buffer, pull-down

MCU port 3 bit 1 (Serial output port)

Programmable 3.3V bidirectional buffer, pull-down

High-Definition Audio Interface

15

16

XHDA_BCLK

XHDA_SDI

DO

DI

HDA link bit clock (24MHz)

Programmable 3.3V output buffer

HDA link serial data in

Programmable 3.3V bidirectional buffer, pull-down

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USB 2.0 High-Speed True HD Audio Processor

17

18

19

XHDA_SYNC

XHDA_RST

XHDA_SDO

DO

DO

DO

CM6610A

HDA link frame synchronization

Programmable 3.3V output buffer

HDA link reset signal, active low

Programmable 3.3V output buffer

HDA link serial data out

Programmable 3.3V output buffer

Parallel EEPROM/Flash Memory Interface

21

22

23

24

25

26

27

28

58

59

60

41

42

43

44

45

46

47

XPEE_D0

XPEE_D1

XPEE_D2

XPEE_D3

XPEE_D4

XPEE_D5

XPEE_D6

XPEE_D7

XPEE_CEN

XPEE_WEN

XPEE_OEN

XPEE_A0

XPEE_A1

XPEE_A2

XPEE_A3

XPEE_A4

XPEE_A5

XPEE_A6

DIO

DIO

DIO

DIO

DIO

DIO

DIO

DIO

DO

DIO

DIO

DIO

DIO

DIO

DIO

DIO

DIO

DIO

Parallel EEPROM/FLASH data in/out 0

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH data in/out 1

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH data in/out 2

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH data in/out 3

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH data in/out 4

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH data in/out 5

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH data in/out 6

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH data in/out 7

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH chip enable, active low

Programmable 3.3V output buffer

Parallel EEPROM/FLASH write enable, active low

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH read enable, active low

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 0

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 1

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 2

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 3

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 4

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 5

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 6

Programmable 3.3V bidirectional buffer, pull-down

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USB 2.0 High-Speed True HD Audio Processor

48

50

51

52

53

54

55

56

XPEE_A7

XPEE_A8

XPEE_A9

XPEE_A10

XPEE_A11

XPEE_A12

XPEE_A13

XPEE_A14

DIO

DIO

DIO

DIO

DIO

DIO

DIO

DIO

Parallel EEPROM/FLASH address 7

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 8

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 9

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 10

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 11

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 12

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 13

Programmable 3.3V bidirectional buffer, pull-down

Parallel EEPROM/FLASH address 14

Programmable 3.3V bidirectional buffer, pull-down

CM6610A

GPIO and MCU Port 1 Interface

29 XGPIO_1/ P1_0 DIO

General purpose input/output 8 (default output). / MCU port 1 bit 0,

selected by register USB B9 bit 0

Programmable 3.3V/5V tolerance bidirectional buffer, pull-down

General purpose input/output 9 (default output). / MCU port 1 bit 1,

selected by register USB B9 bit 1

Programmable 3.3V/5V tolerance bidirectional buffer, pull-down

General purpose input/output 10 (default input). / MCU port 1 bit 2,

selected by register USB B9 bit 2

Programmable 3.3V/5V tolerance bidirectional buffer, pull-down

General purpose input/output 12 (default input). / MCU port 1 bit 3,

selected by register USB B9 bit 3

Programmable 3.3V/5V tolerance bidirectional buffer, pull-down

General purpose input/output 13 (default input). / MCU port 1 bit 4,

selected by register USB B9 bit 4

Programmable 3.3V/5V tolerance bidirectional buffer, pull-down

General purpose input/output 14 (default input). / MCU port 1 bit 5,

selected by register USB B9 bit 5

Programmable 3.3V/5V tolerance bidirectional buffer, pull-down

30 XGPIO_2/ P1_1 DIO

32 XGPIO_3/ P1_2 DIO

37 XGPIO_4/ P1_4 DIO

38 XGPIO_5/ P1_5 DIO

39 XGPIO_6/ P1_6 DIO

2-Wire Slave Serial Bus (I2C)

34

35

36

XMCU_INT

XSSDA

XSSCL

DO

DIO

DIO

Interrupt output for external MCU

Programmable 3.3V output buffer

2-wire slave serial data

Programmable 3.3V/5V tolerant bidirectional buffer, pull-down

2-wire slave serial clock

Programmable 3.3V/5V tolerant bidirectional buffer, pull-down

Miscellaneous

4

12

62

63

RREF

PDSW

XRSTI

XTEST

AI

DO

DI

DI

Connect external reference resistor (12KΩ±1%)

External device power down control signal (default tri-state)

Programmable 3.3V/5V tolerance output buffer

CM6610A reset

Test Mode Select Pin:

H: Test Mode

L: Normal Operation

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USB 2.0 High-Speed True HD Audio Processor

CM6610A

6.

Electrical Characteristics

6.1 Maximum Ratings

Parameter

Storge temperature

Operating ambient temperature

DC supply voltage

I/O pin voltage

Power dissipation

Test Conditions; VDD = 3.3V, DGND =0V, TA=+25oC

Symbol

-

-

-

-

-

Min

-55

0

3.0

GND

-

Typ

-

25

3.3

-

0.15

Max

150

75

3.6

VDD

-

Units

ooC

C

V

V

W

6.2 Recommended Operation Conditions

oTest Conditions: VDD = 3.3V, DGND =0V, TA=+25C

Parameter

Input voltage range

Output voltage range

Symbol

-

-

Min

VDD-0.3

0

Typ

VDD

-

Max

VDD+0.3

VDD

Units

V

V

6.3 Power Consumption

oTest Conditions: DVDD = 3.3V, DGND =0V, TA=+25C

Parameter

Supply current : power up

Supply current : suspend

Symbol

-

-

Min

-

-

Typ

69.52

0.449

Max

Units

mA

mA

6.4 DC Characteristics

oTest Conditions: DVDD = 3.3V, DGND =0V, TA=+25C

Parameter

Input voltage range

Output voltage range

High level input voltage

Low level input voltage

High level output voitage

Low level output voltage

Input leakage current

Output leakage current

Output buffer driver current

SPDIF transmit output driver current

Symbol

Vin

Vout

Vih

Vil

Voh

Vol

Iil

Iol

-

-

Min

VDD-0.3

0

0.7VDD

-

2.4

-10

-10

-

-

Typ

VDD

-

-

-

-

-

-

-

8

8

Max

VDD+0.3

VDD

-

0.3VDD

-

0.4

10

10

-

-

Units

V

V

V

V

V

V

uA

uA

mA

mA

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USB 2.0 High-Speed True HD Audio Processor

7.

Application Notes

7.1 Typical System Block Diagram

Cmedia offers a total solution kit including CM6610A USB2.0 audio controller and high-quality CM9822A

2ch codec. The reference system design is as the following block diagram:

CM6610A

Control:

Slave I2C/

MINT

Power

Circuit

GPIOs

Volume Controls

CM6610A

USB2.0 True HD Audio

Processor

USB2.0

Host

CM9822A

192KHz/24bit

2CH Codec

2CH Output

HDA

2CH Line/Mic-In

32KB

NOR

Flash

MIDI S/PDIF-In

S/PDIF-Out

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USB 2.0 High-Speed True HD Audio Processor

7.2 Reference Schematics

Please refer to up-to-date Cmedia CM6610A EVB Schematics file.

CM6610A

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USB 2.0 High-Speed True HD Audio Processor

8.

Package Dimension

CM6610A

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－End of Specifications－

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Information furnished by C-Media Electronics Inc. is believed to be accurate and reliable. However, no responsibility is assumed by

C-Media Electronics Inc. for its use, nor for any infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of

C-Media. Trademark and registered trademark are the property of their respective owners.

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