Audio Interface Compatibility Design; Detailed Interface Differences - Huawei MU509 Hardware Migration Manual

HUAWEI 30 mm × 30 mm LGA Module
Hardware Migration Guide
Figure 2-10 Reset pulse timing

2.3 Audio Interface Compatibility Design

2.3.1 Detailed Interface Differences

For PCM Audio, MU509, MC509, ME209u-526, ME909u, MU709 and ME909s differ
on the level.
For Analog Audio, MU509 and MC509 support Analog Audio, while ME209u-526,
ME909u, MU709 and ME909s do not support Analog Audio.
Table 2-9 Differences of the audio interface
Pin Interface
No.
5 PCM Audio
6
7
8
38 Analog
Audio
39
40
41
96
97
98
99
Issue 08 (2016-12-12)
The RESIN_N pin must not be pulled down for more than 1s.
Name MU509
PCM_SYNC CMOS 2.6 V
PCM_DIN CMOS 2.6 V
PCM_DOUT CMOS 2.6 V
PCM_CLK CMOS 2.6 V
MIC2_P Y
MIC2_N Y
MIC1_P Y
MIC1_N Y
EAR_OUT_N Y
EAR_OUT_P Y
SPKR_OUT_P Y
SPKR_OUT_N Y
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MC509 MU709 ME209u-526
CMOS COMS 1.8 V
1.8 V
CMOS
1.8 V
CMOS
1.8 V
CMOS
1.8 V
Y N N
Y N N
Y N N
Y N N
Y N N
Y N N
Y N N
Y N N
LGA Interface Differences
ME909u ME909s
[1]
COMS CMOS
[1] [2]
1.8 V 1.8 V
N N
N N
N N
N N
N N
N N
N N
N N
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