Quectel UC15 MUX User Manual
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Contents
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UMTS/HSPA Module SeriesUC15 MUX User GuideUC15_MUX_User_Guide Confidential / Released 25 / 353. Set hardware flow control. Set the Host RTS to disable data receiving. If hardware flow control isdisabled, then ignore this step.4. Set AP_READY pin as invalid. If it is disabled, then ignore this step.5. Pull DTR pin from LOW to HIGH, and trigger the module to enter into power saving mode.5.1.2. Host Enables Module to Exit from Power Saving ModeIf module is in power saving mode, then Host can trigger module to exit from power saving mode throughthe following procedure:1. Host pulls DTR pin from HIGH to LOW, and triggers module to exit from power saving mode2. Set hardware flow control. Set the Host RTS to enable data receiving. If hardware flow control isdisabled, then ignore this step.3. Set AP_READY pin as valid. If it is disabled, then ignore this step.5.1.3. Module Enables Host to Exit from Power Saving ModeWhen module is in power saving mode, if it receives incoming call, short message, network data ornecessary URC, RI pin will be pulled to wake up Host to receive the data. Please refer to the procedurebelow:1. Host receives the change of RI pin, then exits from power saving mode and enters into normal mode.2. After Host exits from power saving mode successfully, pull down DTR pin to let the module exit frompower saving mode.3. Set hardware flow control. Set the RTS to enable data receiving. If hardware flow control is disabled,then ignore this step.4. Set AP_READY pin as valid. If it is disabled, then ignore this step.5. After the data has been processed, if you need to re-enter into power saving mode, please refer tochapter 5.1.1.In this solution, if module is in power saving mode, Host must operate data interaction with module MUXwithin 10s after DTR has been pulled down, otherwise module will re-enter into power saving modeautomatically.NOTEQuectelConfidential |
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