HUAWEI LGA Module PCM Audio Design Guide
Module
MC509 series
MU709 series
ME909u-521
2.2.7 PCM DATA Length
The length of PCM data is 16 bits and cannot be changed.
2.2.8 PCM SYNC Frequency
PCM SYNC frequency can be changed according to different PCM bit clocks.
Sync
8K
16K
2.2.9 PCM Master Output Data Format
The default PCM master output data format is as shown in the following figure.
The data format of short sync offset set is as shown in the following figure. This mode
is rarely used and only used for debugging to check the rising or fall timing.
Issue 04 (2016-12-12)
Falling edge
Support (default)
Support (default)
Support (default)
Bit clock
2.048 MHz
√
×
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1.024 MHz
512 KHz
×
×
×
×
PCM Interface
Rising edge
Not support
Not support
Not support
256 KHz
4.096 MHz
×
×
√
×
10