Datasheet RN4677 (Microchip) - 7
| Hersteller | Microchip |
| Beschreibung | Bluetooth 4.0 Dual Mode Module |
| Seiten / Seite | 28 / 7 — RN4677. 1.5. Status Indication I/O Pins. TABLE 1-4:. STATUS INDICATION. … |
| Dateiformat / Größe | PDF / 508 Kb |
| Dokumentensprache | Englisch |
RN4677. 1.5. Status Indication I/O Pins. TABLE 1-4:. STATUS INDICATION. P04/STATUS_IND_2. P15/STATUS_IND_1. Indication. 1.6
Modelllinie für dieses Datenblatt
Textversion des Dokuments
link to page 7 link to page 7 link to page 8 link to page 8
RN4677 1.5 Status Indication I/O Pins
I/O pins P15 and P04 are Status Indicator 1 and 2 signals, respectively, which both provide status indication to the MCU as shown in Table 1-4.
TABLE 1-4: STATUS INDICATION P04/STATUS_IND_2 P15/STATUS_IND_1 Indication
H H Power default/Shutdown state H L Access state L H Link state (no UART data being transmitted) L L Link state (UART data being transmitted)
1.6 Software Button (SW_BTN) 1.10 System Configuration
The Software Button (SW_BTN) input pin powers the To turn RN4677 into operation modes, set configuration RN4677 on (high) or off (low). for I/O pins P20, P24 and EAN, see Table 1-5. Both P20 and P24 have internal pull ups, whereas EAN has
1.7 WAKE UP (WAKEUP)
internal pull down. The Wake Up (WAKEUP) input pin wakes the RN4677
1.11 Power
from shutdown mode (active-low). Figure 1-4 shows an example power scheme using a
1.8 RESET (RST_N)
3.3V Low Dropout (LDO) regulator supplying 3.3 V to both the RN4677 (BAT_IN and VDD_IO) and MCU The Reset (RST_N) input pin resets the RN4677 VDD. This power scheme ensures that RN4677 and (active-low pulse for at least 63 ns). MCU I/O voltages are compatible. Figure 1-5 shows an example power scheme using a
1.9 Status LED (LED1)
3.7V lithium-ion battery. The RN4677 has an internal The status LED (LED1) indicates: 3.3V LDO regulator. Battery power is applied to BAT_IN pin. The regulated 3.3V output is on the • Standby LDO33_O pin. From the LDO33_O pin, voltage is • Inquiry routed to the VDD_IO pin and external circuitry • Link including the MCU. This power scheme ensures that • Link Back RN4677 and MCU I/O voltages are compatible. • Low Battery
CAUTION
• Page The internal 3.3V LDO current source: Each indication is a configurable flashing sequence. LED brightness can also be configured. 50 mA maximum. Otherwise, damage to RN4677 PICtail may occur.
TABLE 1-5: SYSTEM CONFIGURATION SETTINGS P20 P24 EAN Operational Mode
High High Low Normal operation Low High Low Test (Write EEPROM) Low Low High Write Flash (Firmware programming) 2015 Microchip Technology Inc.
Advance Information
DS50002370A-page 7 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
RN4677 1.5 Status Indication I/O Pins
I/O pins P15 and P04 are Status Indicator 1 and 2 signals, respectively, which both provide status indication to the MCU as shown in Table 1-4.
TABLE 1-4: STATUS INDICATION P04/STATUS_IND_2 P15/STATUS_IND_1 Indication
H H Power default/Shutdown state H L Access state L H Link state (no UART data being transmitted) L L Link state (UART data being transmitted)
1.6 Software Button (SW_BTN) 1.10 System Configuration
The Software Button (SW_BTN) input pin powers the To turn RN4677 into operation modes, set configuration RN4677 on (high) or off (low). for I/O pins P20, P24 and EAN, see Table 1-5. Both P20 and P24 have internal pull ups, whereas EAN has
1.7 WAKE UP (WAKEUP)
internal pull down. The Wake Up (WAKEUP) input pin wakes the RN4677
1.11 Power
from shutdown mode (active-low). Figure 1-4 shows an example power scheme using a
1.8 RESET (RST_N)
3.3V Low Dropout (LDO) regulator supplying 3.3 V to both the RN4677 (BAT_IN and VDD_IO) and MCU The Reset (RST_N) input pin resets the RN4677 VDD. This power scheme ensures that RN4677 and (active-low pulse for at least 63 ns). MCU I/O voltages are compatible. Figure 1-5 shows an example power scheme using a
1.9 Status LED (LED1)
3.7V lithium-ion battery. The RN4677 has an internal The status LED (LED1) indicates: 3.3V LDO regulator. Battery power is applied to BAT_IN pin. The regulated 3.3V output is on the • Standby LDO33_O pin. From the LDO33_O pin, voltage is • Inquiry routed to the VDD_IO pin and external circuitry • Link including the MCU. This power scheme ensures that • Link Back RN4677 and MCU I/O voltages are compatible. • Low Battery
CAUTION
• Page The internal 3.3V LDO current source: Each indication is a configurable flashing sequence. LED brightness can also be configured. 50 mA maximum. Otherwise, damage to RN4677 PICtail may occur.
TABLE 1-5: SYSTEM CONFIGURATION SETTINGS P20 P24 EAN Operational Mode
High High Low Normal operation Low High Low Test (Write EEPROM) Low Low High Write Flash (Firmware programming) 2015 Microchip Technology Inc.
Advance Information
DS50002370A-page 7 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