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PDF CM6307A Data sheet ( Hoja de datos )
| Número de pieza | CM6307A | |
| Descripción | USB Audio Single Chip | |
| Fabricantes | C-Media | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CM6307A (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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CM6307A
USB Audio Single Chip with Array Microphone
DESCRIPTION
CM6307A is C-Media‟s new Audio SOC IC. It contains
highly performance ADC, and is extended by
additional interface like I2C , SPI , allowing all
kinds of Micro processor or DSP to communicate it.
Especially in USB Microphone , Array Microphone
applications , CM6307A could give you low noise
but high quality speech input solution , thus, when
it comes to conference or public speech , it would
be wonderful choice for you. Also, CM6307A
integrates all essential analog, 2CH ADC, DRC
function, PLL, regulator , USB transceiver, with
EEPROM to customize your own product string, PID
and VID , 8 / 11.025 / 16 / 22.05 / 32 / 44.1 /
48KHz sampling rate and high quality 16-bit
resolution and friendly General purpose inputs and
outputs connect the CM6307A to peripheral
hardware, like LED, keypads and buttons, there are
many features could be programmable with
external EEPROM and MCU.
BLOCK DIAGRAM
FEATURES
USB spec. 2.0 Full speed compatible and USB IF
certification
USB audio device class spec. 1.0 and USB HID class
spec. 1.1 compliant
Supports control, interrupt and isochroous data
transfers
USB suspend/resume and remote wake-up support
Embedded USB transceiver and power-on reset circuit
Single 12MHz Crystal Input with On-chip PLL
Support series number string for operation system
detect
Support Microsoft HID functions
Support I2C & SPI (Master/Slave) control interface for
external controller used
EEPROM interface support 24C02 data format
PC
USB Host
GPIO/LED
USB
Interface
Regulator
SPI
Interface controller &
Signal processing
ROM
Register
Internal PLL
PLL
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
I2C
EEPROM
Rev. 1.7 ︱ Page 1
CM6307A
16-bit
48KHz
ADC
PGA
1 page  
CM6307A
USB Audio Single Chip with Array Microphone
Support I2C & SPI (Master/Slave) control interface for external controller used
I2C MCU read/write support 16 bytes data transfer bandwidth
I2C interface support extra interrupt pin INT
MCU / EEPROM / GPIO control via HID / Vender command interface
USB audio topology has 1 Input Terminals, 1 Output Terminals, 1 Selector Unit, and 1
Support 2 LED indicator pins:
1. On / Off / Operation
2. Recording mute
Supported 8 GPIO and 2GPI Pins
Isochronous transfer uses Adaptive Mode with Internal PLL for Synchronization
Embedded Power-On-Reset Block
Single 5V power supply with embedded 5V to 3.3V regulator
Industry standard LQFP-48 Pin package
Compatible with Win2000 / WinXP / Vista / MAC / OSX / Linux
Support Hardware SDK tool for third-party software development
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
Rev. 1.7 ︱ Page 5
5 Page 
CM6307A
USB Audio Single Chip with Array Microphone
6. USB Audio Topology and Descriptors
6.1 USB Audio Topology
IT FEA
MIC
SEL OT
USB STREAM
6.2 Device Descriptors
Offset
Field
Size Value (Hex)
Description
0
bLength
1 12 Descriptor length
1
bDescriptorType
1
01 Device Descriptor
2
bcdUSB
2
0110
USB 1.1 compliant
4
bDeviceClass
1
00 Device class specified by interface
5
bDeviceSubClass
1
00 Device subclass specified by interface
6
bDeviceProtocol
1
00 Device protocol specified by interface
7
bMaxPacketSize0
1
10 Endpoint zero packet size
8
idVendor
2
0d8c
Vendor ID
10
idProduct
2
0130
Product ID
12
bcdDevice
2
0100
Device release number
14 iManufacturer 1
03 Index of string descriptor describing manufacturer
15 iProduct 1 01 Index of string descriptor describing product
16
iSerialNumber
1 00 or 03(*) Index of string descriptor describing serial number
17 bNumConfigurations 1
01 Number of configuration
Note 1: When valid EEPROM is detected, Vendor ID and Product ID will be replaced by the content of EEPROM.
Note 2: iSerialNumber will be valid only if external EEPROM contain this info.
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
Rev. 1.7 ︱ Page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CM6307A.PDF ] | |
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