Pcm Data Format; Pcm Clock Signal - Huawei MU509 Series Design Manual

HUAWEI LGA Module PCM Audio Design Guide
PCM working mode
MASTER_PRIM mode
MASTER_AUX mode
SLAVE mode
Each module supports different PCM working modes, as shown in Table 2-2 .
Table 2-2 PCM working modes supported by different modules
Module
MU509 series
MC509 series
MU709 series
ME909u-521

2.2.2 PCM Data Format

Huawei LGA module supports three PCM data formats, including Linear, u-law and
A-law. And each module supports different PCM data formats, as shown in Table 2-3 .
Table 2-3 PCM data formats supported by different modules
Module
MU509 series
MC509 series
MU709 series
ME909u-521

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-
4 .
Issue 04 (2016-12-12)
Description
In this mode, the PCM_CLK and PCM_SYNC signal
clocks are generated by the module. And the frame
format is short frame.
In this mode, the PCM_CLK and PCM_SYNC signal
clocks are generated by the module. And the frame
format is long frame.
In this mode, the PCM_CLK and PCM_SYNC signal
clocks are generated by the external CODEC chip.
MASTER_PRIM mode
Support (default)
Support (default)
Support (default)
Support (default)
Linear
Support (default)
Support (default)
Support (default)
Support (default)
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MASTER_AUX mode
Not support
Not support
Not support
Not support
u-law
Support
Support
Not support
Not support
PCM Interface
SLAVE mode
Not support
Not support
Support
Not support
A-law
Not support
Not support
Not support
Not support
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