Huawei MU509 - Audio Interface Compatibility Design; Detailed Interface Differences

HUAWEI 30 mm × 30 mm LGA Module
Hardware Migration Guide
LGA Interface Differences
Issue 08 (2016-12-12)
HUAWEI Proprietary and Confidential
Copyright © HUAWEI Technologies Co., Ltd.
27
Figure 2-10 Reset pulse timing
The RESIN_N pin must not be pulled down for more than 1s.
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
No.
Interface
Name
MU509
MC509
MU709
ME209u-526
ME909u
ME909s
5
PCM Audio
PCM_SYNC
CMOS 2.6 V
CMOS
1.8 V
COMS 1.8 V
[1]
COMS
1.8 V
[1] [2]
CMOS
1.8 V
6
PCM_DIN
CMOS 2.6 V
CMOS
1.8 V
7
PCM_DOUT
CMOS 2.6 V
CMOS
1.8 V
8
PCM_CLK
CMOS 2.6 V
CMOS
1.8 V
38
Analog
Audio
MIC2_P
Y
Y
N
N
N
N
39
MIC2_N
Y
Y
N
N
N
N
40
MIC1_P
Y
Y
N
N
N
N
41
MIC1_N
Y
Y
N
N
N
N
96
EAR_OUT_N
Y
Y
N
N
N
N
97
EAR_OUT_P
Y
Y
N
N
N
N
98
SPKR_OUT_P
Y
Y
N
N
N
N
99
SPKR_OUT_N
Y
Y
N
N
N
N