Datasheet > CM6533-N

CM6533-N

更新时间： 2022-02-26 10:28:17

品牌	Logo	应用领域
骅讯 - CMEDIA		/
页数	文件大小	规格书
60页	1402K
描述
USB 2.0 Full-Speed compliant

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数据手册

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CM6533-N 数据手册

CM6533,CM6533N,CM6533X1,CM6533DH

USB Audio Chip

FEATURES

DESCRIPTION

 USB 2.0 Full-Speed compliant

The CM6533/CM6533N/CM6533X1/CM6533DH is a

USB 2.0 audio chip built-in 8051 for flexible

applications. With integrated Tri-Colors PWM LED

driver and two (2)-channel ADC/DAC and S/PDIF

interface that makes it suitable for headset,

docking, speaker and microphone applications.

The internal 8051 can also be developed to a lot of

different applications, such as Microsoft™ Lync /

Skype/VoIP device, Android Phone or Tablet/Slate

docking device. The CM6533 /CM6533N /CM6533X1

/CM6533DH is compatible with USB Audio Class 1.0

and USB 2.0 Full-Speed, thus it can plug & play

without any additional software installation on

major operating systems. The internal DAC and

ADC support from 8 ~ 96 KHz sampling rate and

16/24 bits resolution.

 USB Audio Class 1.0 compliant

 USB Human Interface Device (HID) Class 1.11 compliant

 Two (2)-channel DAC for audio output interface

 Two (2)-channel ADC for audio input interface

 Supports Digital Microphone interface

 Built-in S/PDIF transmitter

 Built-in Equalizer on both playback and recording paths

 Built-in AGC (Auto Gain Control) on recording path

 Supports dual tone generator

 Supports USB suspend/resume/reset functions

 Supports control, interrupt, bulk, and isochronous data

transfers

 Embedded 1T 8051 with 32K Byte SRAM and 256K Byte

The CM6533/CM6533N/CM6533X1/CM6533DH

integrates equalizer on both playback and

recording paths to compensate the frequency

response of microphone and headphone.

flash(Including 32KB F/W programming size)

 Supports OMTP and CTIA auto switch on a 4-pole jack

 Integrated Tri-Colors PWM LED driver

 Master/Slave H/W I2C/SPI/UART control interface for

The CM6533/CM6533N/CM6533X1/CM6533DH also

integrates 256K Byte flash (Including 32KB F/W

programming size) and crystal but requires few

passive components to make a finish product.

Thus, it can save the total BOM cost and PCB area

can be smaller.

external audio devices or FLASH access

 Supports embedded oscillator without external crystal

 Built-in 30mW @ R=32 headphone amplifier

 On chip watchdog timer

BLOCK DIAGRAM

Analog Gain

-18 ~ 45dB

(1dB/step)

Digital Gain

-16 ~ 12dB

(1dB/step)

ADC

Mux

Microphone In

AGC

USB

Interface

5-Band EQ

Analog Gain

-30 ~ 33dB

(1dB/step)

32KB SRAM

+12dB

Internal Clock

ROM(4KB)

Analog Gain

-15 ~ 32dB

(1dB/step)

Digital Gain

-62 ~ 0dB

(1dB/step)

MCU with

256KB Flash

Analog Gain

-44 ~ 0dB (1dB/step)

Speaker/

Heaphone

DAC

5-Band EQ

SPDIF Out

GPIO x 12

PWM LED X 3

Uart, I2C, SPI

Page 1 / 60

www.cmedia.com.tw

Rev.1.6

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