BenutzerhandbuchInhaltsverzeichnisVersion History61. Introduction72. MX680 Overview72.1. MX680 Key Features72.2. Operating Mode92.3. Functional Diagram113. Package Information123.1. Pin out Diagram123.2. Pin Description133.3. Package Dimensions174. Application Interface194.1. Power Supply194.1.1. Power supply pin214.1.2. Monitoring Power Supply214.2. Power on/down Scenarios224.2.1. Power on MX680224.2.2. Power down MX680234.2.2.1. Power down MX680 by the PWRKEY Pin244.2.2.2. Power down MX680 by AT Command244.2.2.3. Over-voltage or Under-voltage Power down254.2.2.4. Over-temperature or Under-temperature Power down254.3. Power Saving Mode264.3.1. Minimum Functionality Mode264.3.2. Sleep Mode (AT+QSCLK=1)264.3.3. Wake Up MX680 from Sleep Mode (AT+QSCLK=1)274.4. Serial Port and USB Interface274.4.1. Function of Serial Port284.4.2. Serial Interfaces284.4.3. Debug Interface304.4.4. Software Upgrade and Debug314.4.4. UART Application324.5. SIM Card Interface344.5.1. SIM Card Application344.5.2.6 Pin SIM Cassette354.6. RI Behaviors364.7. Network Status Indication384.8. Operating Status Indication394.8. Antenna Interface404.8.1. Antenna Interface404.9. Audio Interfaces424.9.1 Microphone Interfaces Configuration434.9.2 Speaker Interfaces Configuration434.9.3 Earphone Interfaces Configuration444.9.4 Audio Electronic Characteristic444.9.5 TDD455. Electrical, Reliability and Radio Characteristics465.1 Absolute Maximum Ratings465.2 Operating Temperature465.3 Digital Interface Characteristics475.4 SIM Card Interface475.5 SIM_VDD Characteristics485.6 VDD_EXT Characteristics485.7 Current Consumption(VBAT=4.0V)485.8 Electro-Static Discharge505.9 Radio Characteristics515.9.1. Module RF Output Power515.9.2. Module RF Receive Sensitivity525.9.3. Module Operating Frequencies526. Manufacturing536.1. Top and Bottom View of MX680536.2. Typical Solder Reflow Profile546.3. The Moisture Sensitivity Level(MSL)547. Appendix547.1. Terms and Abbreviations547.2. Safety Caution57Größe: 1,58 MBSeiten: 60Language: EnglishHandbuch öffnen