HUAWEI MU609 HSPA LGA Module
Application Guide
Sleeping and Waking Up Application Scenarios
Issue 02 (2013-09-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
88
Figure 10-8
Wake-up and hand-shaking using UART(CTS/RTS) and WAKEUP_OUT
pins
Note:
If the host connects to the module using the TXD or RXD pin only, handshake is not
implemented and consequently data on the UART may be lost when the host is in sleep mode.
10.6.3
Advantages
This solution enables handshake between UART and WAKEUP_OUT.
With software configuration, the host can go to sleep with no data loss.
10.7 System with Other Connection Methods
If the host can be connected to the module only using UART, refer to the
HUAWEI
MU609 HSPA LGA Module Hardware Guide
.
If the host can connect to the module