Huawei MU509 Hardware Migration Manual page 17

HUAWEI 30 mm × 30 mm LGA Module
Hardware Migration Guide
Pin No. Interface Description
N=not supported

Y=supported

 You need to use a SIM/USIM card in MU509/MU609/ME909u/ME209u-526/ME909s/MU709 and a RUIM card in MC509.
The electrical features of CMOS 2.6 V interfaces refer to Table 1-4 .

The electrical features of CMOS 1.8 V interfaces refer to Table 1-5 .

[1] The firmware does not support these features yet.

[2] The firmware ME909u-521 supports PCM function and the firmware ME909u-523 does not support PCM function.

 [3] The ME909u-523 module provides two ADC interfaces. ME909u-521 does not support ADC interface at present (the firmware does not support these features
yet).
 [4] For ME909s, the power voltage ranges from 3.2 V to 4.2 V.
Issue 08 (2016-12-12)
MU509 MC509 MU609
HUAWEI Proprietary and Confidential
Copyright © HUAWEI Technologies Co., Ltd.
ME209u-526 ME909u
Overview
MU709 ME909s
17