Application Block Diagram - Huawei ME909u-521 Hardware Manual

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide

2.4 Application Block Diagram

Figure 2-2 Application block diagram of the ME909u-521 module
UART Interface:
USB Interface:
USIM Interface:
External Power
Supply:
Audio Interface:
RF Pad:
Tunable ANT
CTRL:
ADC:
SPI Interface:
SDIO Interface:
HSIC Interface:
I2C Interface:
Issue 05 (2017-12-15)
The module supports 3 UART interfaces. Two are 4-wire
UARTs. One is 2-wire UART, which is only for debugging.
The USB interface supports USB 2.0 high speed standard.
The USIM interface provides the interface for a USIM card.
DC 3.8 V is recommended.
The module supports one PCM interface.
RF antenna interface.
Since LTE bands cover wide frequency, tunable ANT CTRL
helps customers for tunable antenna design. The firmware
with this feature is in plan.
Reserved for intelligent module in future.
Reserved for intelligent module in future.
Reserved for intelligent module in future.
Reserved for intelligent module in future.
Reserved for intelligent module in future.
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