Huawei MU509 Series Design Manual
Lga module pcm audio design guide
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Also See for MU509 Series:
- At command interface specification (227 pages) ,
- Hardware manual (94 pages) ,
- Hardware migration manual (70 pages)
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Table of Contents
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Summary of Contents for Huawei MU509 Series
- Page 1 HUAWEI LGA Module PCM Audio Design Guide Issue Date 2016-12-12...
- Page 2 Thus, the descriptions herein may not exactly match the product or its accessories which you purchase. Huawei reserves the right to change or modify any information or specifications contained in this manual without prior notice and without any liability.
- Page 3 HUAWEI LGA Module PCM Audio Design Guide About This Document About This Document Revision History Document Date Chapter Descriptions Version 2011-05-04 Creation 2015-02-10 Updated chapter 2 PCM Interface Deleted chapter 3 Timing in issue 01 Updated chapter 3 Reference Design...
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Page 4: Table Of Contents
HUAWEI LGA Module PCM Audio Design Guide Contents Contents 1 Introduction ........................... 5 2 PCM Interface ........................6 2.1 Definitions of Pins ........................... 6 2.2 Configuration Modes ........................6 2.2.1 PCM Working Mode........................ 6 2.2.2 PCM Data Format ........................7 2.2.3 PCM Clock Signal ........................ -
Page 5: Introduction
For example, through the PCM you could connect Huawei LGA module to a Bluetooth device. Huawei LGA module has one PCM port. Please refer to the hardware guide of the module that you are in use to know the pin number of the PCM port. -
Page 6: Pcm Interface
HUAWEI LGA Module PCM Audio Design Guide PCM Interface PCM Interface 2.1 Definitions of Pins Definitions of pins on the PCM interface of Huawei LGA module is as shown in Table 2-1 . Table 2-1 Definitions of pins on the PCM interface Pin No. -
Page 7: Pcm Data Format
Not support Not support 2.2.3 PCM Clock Signal In MASTER_PRIM mode, the PCM bit clock supported by Huawei LGA module is 2.048 MHz only, except ME909u-521 also supports 4.096 MHz, as shown in Table 2- Huawei Proprietary and Confidential Issue 04 (2016-12-12) -
Page 8: Pcm Sync Frame Format
HUAWEI LGA Module PCM Audio Design Guide PCM Interface Table 2-4 PCM bit clocks supported by different modules in MASTER_PRIM mode Module 2.048 Mhz 1.024 MHz 512 kHz 256 kHz 4.096 MHz MU509 Support Not support Not support Not support... -
Page 9: Pcm Offset Setting
ME909u-521 Support (default) Not support Not support 2.2.6 PCM DATA Polarity Huawei LGA module supports two PCM data polarity settings, including falling edge and rising edge. PCM data polarity Description Falling edge The data input or output is followed the falling edge of PCM_CLK. -
Page 10: Pcm Data Length
HUAWEI LGA Module PCM Audio Design Guide PCM Interface Module Falling edge Rising edge MC509 series Support (default) Not support MU709 series Support (default) Not support ME909u-521 Support (default) Not support 2.2.7 PCM DATA Length The length of PCM data is 16 bits and cannot be changed. - Page 11 HUAWEI LGA Module PCM Audio Design Guide PCM Interface Huawei Proprietary and Confidential Issue 04 (2016-12-12) Copyright © Huawei Technologies Co., Ltd.
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Page 12: Reference Design
Reference Design 3.1 System Block It is recommended that Huawei LGA module should work in PCM master mode. It means PCM_CLK and PCM_SYNC are generated by Huawei LGA module. The codec of TLV320AIC3204 and NAU8814 are recommended to be used. -
Page 13: Reference Schematic And Software Configuration
HUAWEI LGA Module PCM Audio Design Guide Reference Design The recommended connections of NAU8814 are as shown in the following figure. This solution needs the support of Huawei LGA module's software. If customers want to use this function, you should connect us for more information. Codec:... - Page 14 HUAWEI LGA Module PCM Audio Design Guide Reference Design The referenced codec software configuration of TLV320AIC3204 is as follows. Values in gray color must not be changed, while values in green color can be changed. static reg_addr_data aic3204_software_config[]= //Software Reset...
- Page 15 HUAWEI LGA Module PCM Audio Design Guide Reference Design {0x00,0x00}, //Select Register 0 {0x51,0xC0}, //Left Channel ADC is powered up Right Channel ADC is powered up {0x52,0x00}, //Left ADC Channel Un-muted {0x53,0x00}, // Left ADC Channel Volume Control ADC gain=0dB...
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Page 16: Nau8814
HUAWEI LGA Module PCM Audio Design Guide Reference Design IN1_L -72...0dB IN2_L Vol . Ctrl -6...+29dB 0…+47.5 dB IN3_L Left Left Signal Signal Proc. Proc. Gain Adj. 0.5 dB -6...+29dB steps -30...0 dB Data miniDSP miniDSP Interface -6...+29dB -30...0 dB 0…... - Page 17 HUAWEI LGA Module PCM Audio Design Guide Reference Design 3.3V 1.8V VCC_EXT1 VDDC VDDA 4.7uF VDDB 4.7uF VSSD Module VSSA PCM_SYNC VREF PCM_DIN ADCOUT 4.7uF Codec: PCM_DOUT DACIN NAU8814 PCM_CLK BCLK 1.2k 1.2k MCLK 3.3V I2C_DATA SDIN VDDSPK SCLK I2C_CLK 4.7uF...
- Page 18 HUAWEI LGA Module PCM Audio Design Guide Reference Design AT^CPCM is the AT command for the configuration of PCM. For the details, please refer to the module's AT command interface specification. If using the codec configuration above, you need to keep parameter values of AT^CPCM as default values.