ユーザーズマニュアル目次About the Document2Contents3Table Index5Figure Index6Introduction7Safety Information8FCC statement91.2.1. FCC Regulations:91.2.2. RF Exposure Information91.2.3. IMPORTANT NOTE:91.2.4. USERS MANUAL OF THE END PRODUCT:91.2.5. LABEL OF THE END PRODUCT:10Product Concept11General Description11Key Features12Functional Diagram13Evaluation Board13Application Functions14General Description14Pin Assignment15Pin Description16Operating Modes19Power Supply203.5.1. Power Supply Pins203.5.2. Reference Design for Power Supply20Power on and down Scenarios213.6.1. Power on213.6.2. Power down223.6.3. Reset the Module22SWD Interface23UART Interfaces243.8.1. Main Port253.8.2. Debug Port263.8.3. The UART Application26ADC Interface*27GPIO Interface28Behaviors of the RI*29Network Status Indication*29Antenna Interface31RF Reference Design31Reference Design of RF Layout32RF Receiving Sensitivity34Antenna Requirement34RF Cable Welding35Electrical, Reliability and Radio Characteristics36Absolute Maximum Ratings36Operating Temperature37Current Consumption37Mechanical Dimensions38Mechanical Dimensions of the Module38Recommended Footprint40Storage, Manufacturing and Packaging41Storage41Manufacturing and Soldering42Packaging437.3.1. Tape and Reel Packaging43Appendix A Reference45TABLE 1: FREQUENCY BANDS OF EM300-8A MODULE11TABLE 2: EM300-8A KEY FEATURES12TABLE 3: I/O PARAMETERS DEFINITION16TABLE 4: PIN DESCRIPTION16TABLE 5: OVERVIEW OF OPERATING MODES19TABLE 6: VBAT, VDD_EXT AND GND PINS20TABLE 7: RESET CHARACTERISTICS22TABLE 8: PIN DEFINITION OF SWD INTERFACES23TABLE 9: PIN DEFINITION OF THE UART INTERFACES24TABLE 10: LOGIC LEVELS OF THE UART INTERFACES25TABLE 11: PIN DEFINITION OF THE ADC28TABLE 12: PIN DEFINITION OF THE GPIO INTERFACE28TABLE 13: BEHAVIORS OF THE RI29TABLE 14: WORKING STATE OF THE NETLIGHT29TABLE 15: PIN DEFINITION OF THE RF_ANT31TABLE 16: RF RECEIVING SENSITIVITY (MCS-1, BLER <10%)34TABLE 17: ANTENNA CABLE REQUIREMENT34TABLE 18: ANTENNA REQUIREMENTS34TABLE 19: ABSOLUTE MAXIMUM RATINGS36TABLE 20: OPERATING TEMPERATURE37TABLE 21: CURRENT CONSUMPTION37TABLE 22: RELATED DOCUMENTS45TABLE 23: TERMS AND ABBREVIATIONS45FIGURE 1: FUNCTIONAL DIAGRAM13FIGURE 2: PIN ASSIGNMENT15FIGURE 3: REFERENCE CIRCUIT FOR THE VBAT AND VDD_EXT INPUT21FIGURE 4: TURN-ON TIMING21FIGURE 5: TURN-OFF TIMING22FIGURE 6: REFERENCE CIRCUIT OF RESET BY USING DRIVING CIRCUIT23FIGURE 7: REFERENCE CIRCUIT OF RESET BY USING BUTTON23FIGURE 8: REFERENCE DESIGN FOR SWD INTERFACE24FIGURE 9: REFERENCE DESIGN FOR MAIN PORT25FIGURE 10: REFERENCE DESIGN FOR DEBUG PORT26FIGURE 11: LEVEL MATCH DESIGN FOR 3.3V SYSTEM26FIGURE 12: SKETCH MAP FOR RS-232 INTERFACE MATCH27FIGURE 13: BEHAVIORS OF RI WHEN A URC OR SMS IS RECEIVED29FIGURE 14: REFERENCE DESIGN FOR NETLIGHT30FIGURE 15: REFERENCE DESIGN FOR RF31FIGURE 16: MICROSTRIP LINE DESIGN ON A 2-LAYER PCB32FIGURE 17: COPLANAR WAVEGUIDE LINE DESIGN ON A 2-LAYER PCB32GROUND)33GROUND)33FIGURE 20: RECOMMENDED RF CABLE WELDING35FIGURE 21: TOP AND SIDE DIMENSIONS OF EM300-8A MODULE (UNIT: MM)38FIGURE 22: BOTTOM DIMENSIONS OF EM300-8A MODULE (UNIT: MM)39FIGURE 23: RECOMMENDED FOOTPRINT (UNIT: MM)40FIGURE 26: REFLOW SOLDERING THERMAL PROFILE42FIGURE 27: TAPE DIMENSIONS43FIGURE 28: REEL DIMENSIONS44サイズ: 789KBページ数: 47Language: Englishマニュアルを開く