Datasheet RN4677 (Microchip) - 5

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RN4677 TABLE 1-2: PIN DESCRIPTION RN4677 RN4677U Name Type Description Pin Pin
1 — GND Power Ground reference 2 — GND Power Ground reference 3 1 GND Power Ground reference 4 2 BAT_IN Power Battery input. Main positive supply input. Connect to 10 µF low ESR ceramic capacitor. 5 3 SW_BTN DI Software Button - H: Power On; L: Power Off. See
Section 1.6 “Software Button (SW_BTN)”
. 6 4 LDO33_O Power Internal 3.3V LDO regulator output. Connect to 10 µF low ESR ceramic capacitor. 7 5 VDD_IO Power I/O positive supply input. Ensure VDD_IO and MCU I/O voltages are compatible. 8 6 LDO18_O Power Internal 1.8V LDO regulator output. Connect to 10 µF low ESR ceramic capacitor. 9 7 WAKEUP DI Wakeup from shutdown mode (active-low; internal pull up) 10 8 PMULDO_O Power Power management unit output. Connect to 1 µF low ESR ceramic capacitor. 11 9 P04 DO Status Indicator 2 (STATUS_IND_2). See
Section 1.5 “Status Indication I/O Pins”
. 12 10 P15 DO Status Indicator 1 (STATUS_IND_1). See
Section 1.5 “Status Indication I/O Pins”
. 13 11 P12/SCL DO I2C SCL (Do not connect) 14 12 P13/SDA DIO I2C SDA (Do not connect) 15 13 P17/CTS DIO Configurable control or indication pin or UART CTS (input) 16 14 P05 DIO Configurable control or indication pin 17 15 P00/RTS DIO Configurable control or indication pin or UART RTS (output) 18 16 P20 DI System configuration (internal pull up). See
Section 1.10 “System Configuration”
. 19 17 P24 DI System configuration (internal pull up). See
Section 1.10 “System Configuration”
. 20 18 EAN DI System configuration (internal pull down). See
Section 1.10 “System Configuration”
. 21 19 RST_N DI Module Reset (active-low; internal pull up). Apply a pulse of at least 63 ns. 22 20 RXD DI UART data input 23 21 TXD DO UART data output 24 22 P31 DIO Configurable control or indication pin. If configured as input; internal pull up. 25 23 P32 DIO Configurable control or indication pin. If configured as input; internal pull up. 26 24 P33 DIO Configurable control or indication pin If configured as input; internal pull up. 27 25 P34 DIO Configurable control or indication pin If configured as input; internal pull up. 28 26 P36 DIO Do not connect 29 27 P37 DIO Configurable control or indication pin (when configured as input: internal pull up) 30 28 LED1 DO Status LED. See
Section 1.9 “Status LED (LED1)”
.  2015 Microchip Technology Inc.
Advance Information
DS50002370A-page 5 Document Outline Bluetooth® 4.0 Dual Mode Module Features Operational RF/Analog Data Throughput MAC/Baseband/Higher Layer Antenna Compliance General Description Applications Table of Contents Most Current Data Sheet Errata Customer Notification System 1.0 Device Overview TABLE 1-1: RN4677 Module Family Types FIGURE 1-1: RN4677 Block Diagram 1.1 Interface Description FIGURE 1-2: RN4677 PIN Diagram FIGURE 1-3: RN4677U PIN Diagram TABLE 1-2: PIN Description 1.2 Configuring the RN4677 1.3 UART Interface 1.4 Control and Indication I/O Pins TABLE 1-3: Configuration And Indication I/O Assignments 1.5 Status Indication I/O Pins TABLE 1-4: Status Indication 1.6 Software Button (SW_BTN) 1.7 WAKE UP (WAKEUP) 1.8 RESET (RST_N) 1.9 Status LED (LED1) 1.10 System Configuration 1.11 Power TABLE 1-5: system configuration settings FIGURE 1-4: RN4677 To MCU Interface Example - LDO FIGURE 1-5: RN4677 To MCU Interface Example - Battery 1.12 Mounting Details 1.13 Soldering Recommendations FIGURE 1-6: RN4677 Module Dimensions FIGURE 1-7: RN4677 Recommended PCB Footprint FIGURE 1-8: RN4677 Host PCB Mounting Suggestion 2.0 Application Information 2.1 RN4677 Ceramic Chip Antenna FIGURE 2-1: RN4677 Antenna Radiation Pattern 2.2 External Configuration and Programming FIGURE 2-2: External Programming Header Connections 3.0 Regulatory Approval 3.1 United States 3.1.1 LABELING AND USER INFORMATION REQUIREMENTS 3.1.2 RF EXPOSURE 3.1.3 HELPFUL WEB SITES 3.2 Canada 3.2.1 LABELING AND USER INFORMATION REQUIREMENTS 3.2.2 RF EXPOSURE 3.2.3 APPROVED EXTERNAL ANTENNA TYPES 3.2.4 HELPFUL WEB SITES 3.3 Europe 3.3.1 LABELING AND USER INFORMATION REQUIREMENTS 3.3.2 EXTERNAL ANTENNA REQUIREMENTS 3.3.3 HELPFUL WEB SITES TABLE 3-1: European Compliance Testing 4.0 Electrical Characteristics TABLE 4-1: Environmental Conditions TABLE 4-2: Electrical Characteristics TABLE 4-3: Supply Consumption-Classic(1) TABLE 4-4: Supply Consumption-low Energy(1) TABLE 4-5: UART Baud 5.0 Ordering Information TABLE 5-1: Ordering Information Appendix A: Revision History Revision A (May 2015) The Microchip Web Site Customer Change Notification Service Customer Support Product Identification System Worldwide Sales and Service