Datasheet BM78 (Microchip) - 6
| Hersteller | Microchip |
| Beschreibung | Bluetooth Dual Mode Module |
| Seiten / Seite | 50 / 6 — BM78. TABLE 1-1:. PIN DESCRIPTION (CONTINUED). S5 Pin. 05 Pin. Symbol. … |
| Dateiformat / Größe | PDF / 2.2 Mb |
| Dokumentensprache | Englisch |
BM78. TABLE 1-1:. PIN DESCRIPTION (CONTINUED). S5 Pin. 05 Pin. Symbol. Type. Description. Legend:
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BM78 TABLE 1-1: PIN DESCRIPTION (CONTINUED) S5 Pin 05 Pin Symbol Type Description
20 18 EAN DI External address-bus negative System configuration pin along with P2_0 and P2_4 pins used to set the module in any of the three modes: • Application mode (for normal operation), • Test mode (to change EEPROM values), and • Write Flash mode (to download the firmware into the module), refer to Table 2-1 ROM: Must be pulled high to VDD_IO FLASH: Must be pulled down with 4.7 kOhm to Ground 21 19 RST_N DI Module Reset (active-low) (internal pull-up) Apply a pulse of at least 63 ns 22 20 HCI_RXD DI UART data input 23 21 HCI_TXD DO UART data output 24 22 P3_1 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 25 23 P3_2 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 26 24 P3_3 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 27 25 P3_4 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 28 26 P3_6 DIO Do not connect 29 27 P3_7 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 30 28 LED1 DO LED driver, connect to LDO33_0 31 29 GND Power Ground reference — 30 BT_RF AIO External antenna connection (50 Ohm) 32 — GND Power Ground reference 33 — GND Power Ground reference
Legend:
A = Analog D = Digital I = Input O = Output 2016-2020 Microchip Technology Inc. DS60001380C-Page 6 Document Outline BM78 Features RF/Analog Data Throughput FIGURE 1: BM78 MODULE MAC/Baseband/Higher Layer Operating Conditions Applications General Description Table of Contents Most Current Data Sheet Errata Customer Notification System 1.0 System Overview FIGURE 1-1: Internal Block Diagram of BM78 module TABLE 1-1: Pin Description FIGURE 1-2: BM78SPPS5MC2/NC2 Pin Diagram FIGURE 1-3: BM78SPP05MC2/NC2 Pin Diagram 2.0 Application Information 2.1 System Configuration TABLE 2-1: System Configuration Settings 2.2 Control and Indication I/O Pins TABLE 2-2: CONTROL AND INDICATION I/O PIN ASSIGNMENTS TABLE 2-3: CONFIGURABLE FUNCTIONS AND DESCRIPTIONS 2.3 Status Indication I/O Pins TABLE 2-4: Status Indication 2.4 Power Tree FIGURE 2-1: Power Tree Diagram 2.5 Software Power Button (SW_BTN) FIGURE 2-2: SW_BTN TIMING (HIGH) at Application MODE FIGURE 2-3: SW_BTN TIMING at Access States FIGURE 2-4: SW_BTN TIMING (Low) at Link States 2.6 WAKE-UP FIGURE 2-5: Wake-up Time 2.7 External Reset FIGURE 2-6: Timing waveforms on Reset 2.8 LED Driver FIGURE 2-7: LED Driver 2.9 Host MCU Interface over UART FIGURE 2-8: Power and MCU Interface Example for BM78 module 2.10 Reference Circuit FIGURE 2-9: BM78SPP05MC2/NC2 Reference Circuit FIGURE 2-10: BM78SPP05MC2/NC2 Reference Circuit FIGURE 2-11: BM78SPPS5MC2/NC2 Reference Circuit FIGURE 2-12: BM78SPPS5MC2/NC2 Reference Circuit 3.0 Operating Modes FIGURE 3-1: Operating Mode Configuration 3.1 Auto Pattern Mode FIGURE 3-2: Auto Pattern Mode 3.2 Manual Pattern FIGURE 3-3: State Changes by MCU in Manual Pattern 4.0 Electrical Characteristics Absolute Maximum Ratings TABLE 4-1: Recommended Operating Conditions TABLE 4-2: 3.3V LDO Electrical Parameters TABLE 4-3: PMU LDO TABLE 4-4: SAR-ADC AND Battery Voltage Detector TABLE 4-5: Intensity Controllable LED Driver TABLE 4-6: Power Consumption-Classic TABLE 4-7: Power Consumption-Low Energy 5.0 Radio Characteristics TABLE 5-1: Transmitter Performance TABLE 5-2: Receiver Performance 6.0 Physical Dimensions FIGURE 6-1: BM78SPPS5MC2/NC2 Module Dimensions FIGURE 6-2: BM78SPPS5MC2/NC2 Recommended PCB Footprint FIGURE 6-3: BM78SPPS5MC2/NC2 Host PCB Mounting Suggestion FIGURE 6-4: BM78SPP05MC2/NC2 Module Dimensions FIGURE 6-5: BM78SPP05MC2/NC2 Recommended PCB Footprint FIGURE 6-6: BM78SPP05MC2/NC2 Host PCB Mounting Suggestion 7.0 Reflow Profile Module FIGURE 7-1: Reflow Profile 8.0 Module Placement Guidelines FIGURE 8-1: Module Placement Examples TABLE 8-1: Recommended Antenna FIGURE 8-2: Keep Out Area Recommended for Antenna 8.1 BM78SPPS5MC2/NC2 Ceramic Chip Antenna FIGURE 8-3: BM78SPPS5MC2/NC2 Antenna Radiation Pattern TABLE 8-2: Antenna Radiation Pattern Details 9.0 Ordering Information TABLE 9-1: BM78 Module SKUs Appendix A: Certification Notices TABLE A-1: EUROPEAN COMPLIANCE TESTING Appendix B: Revision History The Microchip WebSite Trademarks Worldwide Sales
BM78 TABLE 1-1: PIN DESCRIPTION (CONTINUED) S5 Pin 05 Pin Symbol Type Description
20 18 EAN DI External address-bus negative System configuration pin along with P2_0 and P2_4 pins used to set the module in any of the three modes: • Application mode (for normal operation), • Test mode (to change EEPROM values), and • Write Flash mode (to download the firmware into the module), refer to Table 2-1 ROM: Must be pulled high to VDD_IO FLASH: Must be pulled down with 4.7 kOhm to Ground 21 19 RST_N DI Module Reset (active-low) (internal pull-up) Apply a pulse of at least 63 ns 22 20 HCI_RXD DI UART data input 23 21 HCI_TXD DO UART data output 24 22 P3_1 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 25 23 P3_2 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 26 24 P3_3 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 27 25 P3_4 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 28 26 P3_6 DIO Do not connect 29 27 P3_7 DIO Configurable control or Indication pin (Internally pulled-up, if configured as an input) 30 28 LED1 DO LED driver, connect to LDO33_0 31 29 GND Power Ground reference — 30 BT_RF AIO External antenna connection (50 Ohm) 32 — GND Power Ground reference 33 — GND Power Ground reference
Legend:
A = Analog D = Digital I = Input O = Output 2016-2020 Microchip Technology Inc. DS60001380C-Page 6 Document Outline BM78 Features RF/Analog Data Throughput FIGURE 1: BM78 MODULE MAC/Baseband/Higher Layer Operating Conditions Applications General Description Table of Contents Most Current Data Sheet Errata Customer Notification System 1.0 System Overview FIGURE 1-1: Internal Block Diagram of BM78 module TABLE 1-1: Pin Description FIGURE 1-2: BM78SPPS5MC2/NC2 Pin Diagram FIGURE 1-3: BM78SPP05MC2/NC2 Pin Diagram 2.0 Application Information 2.1 System Configuration TABLE 2-1: System Configuration Settings 2.2 Control and Indication I/O Pins TABLE 2-2: CONTROL AND INDICATION I/O PIN ASSIGNMENTS TABLE 2-3: CONFIGURABLE FUNCTIONS AND DESCRIPTIONS 2.3 Status Indication I/O Pins TABLE 2-4: Status Indication 2.4 Power Tree FIGURE 2-1: Power Tree Diagram 2.5 Software Power Button (SW_BTN) FIGURE 2-2: SW_BTN TIMING (HIGH) at Application MODE FIGURE 2-3: SW_BTN TIMING at Access States FIGURE 2-4: SW_BTN TIMING (Low) at Link States 2.6 WAKE-UP FIGURE 2-5: Wake-up Time 2.7 External Reset FIGURE 2-6: Timing waveforms on Reset 2.8 LED Driver FIGURE 2-7: LED Driver 2.9 Host MCU Interface over UART FIGURE 2-8: Power and MCU Interface Example for BM78 module 2.10 Reference Circuit FIGURE 2-9: BM78SPP05MC2/NC2 Reference Circuit FIGURE 2-10: BM78SPP05MC2/NC2 Reference Circuit FIGURE 2-11: BM78SPPS5MC2/NC2 Reference Circuit FIGURE 2-12: BM78SPPS5MC2/NC2 Reference Circuit 3.0 Operating Modes FIGURE 3-1: Operating Mode Configuration 3.1 Auto Pattern Mode FIGURE 3-2: Auto Pattern Mode 3.2 Manual Pattern FIGURE 3-3: State Changes by MCU in Manual Pattern 4.0 Electrical Characteristics Absolute Maximum Ratings TABLE 4-1: Recommended Operating Conditions TABLE 4-2: 3.3V LDO Electrical Parameters TABLE 4-3: PMU LDO TABLE 4-4: SAR-ADC AND Battery Voltage Detector TABLE 4-5: Intensity Controllable LED Driver TABLE 4-6: Power Consumption-Classic TABLE 4-7: Power Consumption-Low Energy 5.0 Radio Characteristics TABLE 5-1: Transmitter Performance TABLE 5-2: Receiver Performance 6.0 Physical Dimensions FIGURE 6-1: BM78SPPS5MC2/NC2 Module Dimensions FIGURE 6-2: BM78SPPS5MC2/NC2 Recommended PCB Footprint FIGURE 6-3: BM78SPPS5MC2/NC2 Host PCB Mounting Suggestion FIGURE 6-4: BM78SPP05MC2/NC2 Module Dimensions FIGURE 6-5: BM78SPP05MC2/NC2 Recommended PCB Footprint FIGURE 6-6: BM78SPP05MC2/NC2 Host PCB Mounting Suggestion 7.0 Reflow Profile Module FIGURE 7-1: Reflow Profile 8.0 Module Placement Guidelines FIGURE 8-1: Module Placement Examples TABLE 8-1: Recommended Antenna FIGURE 8-2: Keep Out Area Recommended for Antenna 8.1 BM78SPPS5MC2/NC2 Ceramic Chip Antenna FIGURE 8-3: BM78SPPS5MC2/NC2 Antenna Radiation Pattern TABLE 8-2: Antenna Radiation Pattern Details 9.0 Ordering Information TABLE 9-1: BM78 Module SKUs Appendix A: Certification Notices TABLE A-1: EUROPEAN COMPLIANCE TESTING Appendix B: Revision History The Microchip WebSite Trademarks Worldwide Sales