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부품번호 | RN41N 기능 |
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기능 | Class 1 Bluetooth Module | ||
제조업체 | Microchip | ||
로고 | |||
전체 28 페이지수
RN41/RN41N
Class 1 Bluetooth® Module with EDR Support
Features
• Fully qualified Bluetooth® version 2.1 module,
supports version 2.1 + Enhanced Data Rate
(EDR)
• ASCII command interface over UART
• Postage-stamp sized form factor:
- RN41: 13.4 x 25.8 x 2 mm
- RN41N: 13.4 x 20 x 2 mm
• Low-power (30 mA connected, < 10 mA sniff
mode)
• UART (SPP or HCI) and USB (HCI only) data
connection interfaces
• Sustained SPP data rates: 240 Kbps (Slave
mode), 300 Kbps (Master mode)
• HCI data rates: 1.5 Mbps sustained, 3.0 Mbps
burst in HCI mode
• Embedded Bluetooth stack profiles include: GAP,
SDP, RFCOMM, L2CAP protocols, with SPP, HID,
and DUN profile support (does not require any
host stack).
• Bluetooth SIG qualified, end product listing
• Castellated SMT pads for easy and reliable PCB
mounting
• Class 1 high-power amplifier with on-board
ceramic chip antenna (RN41) or external antenna
(RN41N)
• Compliance:
- Modular Certified for the United States (FCC)
and Canada (IC)
- European R&TTE Directive Assessed Radio
Module
- Australia/New Zealand/Korea/Taiwan/Japan
- Bluetooth SIG QDID
• Integrated Crystal, Internal Voltage Regulator,
Matching Circuitry, Power Amplifier, Low Noise,
Memory Amplifier and PCB Antenna
• Easy Integration into Final Product - Minimize
Product Development, Quicker Time to Market
• Compatible with Microchip Microcontroller Fami-
lies (PIC16F, PIC18F, PIC24F/H, dsPIC33 and
PIC32)
• Up to 100 meter range
Applications
• Cable replacement
• Barcode scanners
• Measurement and monitoring systems
• Industrial sensors and controls
• Medical devices
2014 Microchip Technology Inc.
DS50002280A-page 1
RN41/RN41N
1.0 DEVICE OVERVIEW
The RN41/RN41N module is a small form factor, low-
power, class 1 Bluetooth radio that is ideal for
designers who want to add wireless capability to their
products without spending significant time and money
developing Bluetooth-specific hardware and software.
The RN41/RN41N supports multiple interface
protocols, is simple to design in, and is fully certified,
making it a complete embedded Bluetooth solution.
With its high-performance, chip antenna (RN41) or
external antenna (RN41N), and support for Bluetooth
EDR, the RN41/RN41N delivers up to a 3-Mbps data
rate for distances up to 100 meters.
1.1 MCU Interface
The RN41/RN41N module is managed through ASCII
commands via the UART and/or PIO signals. A MCU
(micro-controller-unit) or host processor sends com-
mands to module to configure features, read status,
and manage Bluetooth data connections.
As shown in Figure 1-1, the UART TX and RX are
required to communicate with module and transfer data
across Bluetooth SPP connection.
Connecting the hardware flow control lines CTS and
RTS is highly recommended for applications that
transmits a continuous stream of data.
The module can be configured locally via the UART or
over-the-air. To support instant cable replacement,
auto-discovery/pairing does not require software con-
figuration. Additionally, the module supports auto-con-
nect master, I/O pin (DTR), and character-based trigger
modes.
TABLE 1-1: ENVIRONMENTAL CONDITIONS
Parameter
Temperature Range (Operating)
Temperature Range (Storage)
Relative Humidity (Operating)
Relative Humidity (Storage)
Moisture Sensitivity Level
FIGURE 1-1:
RN41/RN41N TO MCU
INTERFACE
Table 1-1, Table 1-2, Table 1-3, Table 1-4, and Table 1-
5 provide the module’s environmental conditions, elec-
trical characteristics, dimensions, radio characteristics,
and digital I/O characteristics.
1.2 ASCII Command and Data
Interface
The “Bluetooth Data Module Command Reference and
Advanced Information User’s Guide” provides a com-
plete description of the ASCII command and data inter-
face for the RN41/RN41N module.
Value
-40o C ~ 85o C
-40o C ~ 85o C
90%
90%
1
TABLE 1-2: ELECTRICAL CHARACTERISTICS
Parameter
Min.
Typ.
Max.
Units
Supply Voltage (DC)
RX Supply Current
TX Supply Current
Average Power Consumption
Standby/Idle (Default Settings)
Connected (Normal Mode)
Connected (Low-Power Sniff)
Standby/Idle (Deep Sleep Enabled)
3.0 3.3 3.6
V
— 35 60 mA
— 65 100 mA
— 25 — mA
— 30 — mA
— 8 — mA
250 2.5 — mA
DS50002280A-page 4
2014 Microchip Technology Inc.
4페이지 RN41/RN41N
TABLE 1-6: PIN DESCRIPTION
Pin Symbol
Type
Description
1 GND
Power
2 SPI_MOSI DI
3 GPIO6
DIO
4 GPIO7
DIO
5 RESET
DI
6 SPI_CLK DI
7 PCM_CLK DIO
8 PCM_SYNC DIO
9 PCM_IN
DI
10 PCM_OUT DO
11 VDD
Power
12 GND
Power
13 UART_RX DI
14 UART_TX DO
15 UART_RTS DO
16 UART_CTS DI
17 USB_D+
DIO
18 USB_D-
DIO
19 GPIO2
DIO
20 GPIO3
21 GPIO5
DIO
DIO
22 GPIO4
DIO
23 SPI_CSB DI
24 SPI_MISO DO
25 GND
Power
26 RF ANT
AIO
27 GND
Power
28 GND
Power
29 GND
Power
30 AIO0
AIO
31 GPIO8
DIO
32 GPIO9
DIO
33 GPIO10
DIO
34 GPIO11
DIO
35 AIO1
AIO
Ground reference
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
Set Bluetooth master (high = auto-master mode)
Set baud rate (high = force 9,600, low = 115K or firmware setting)
Active-low Reset
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
(Do not connect) PCM interface(1)
(Do not connect) PCM interface(1)
(Do not connect) PCM interface(1)
(Do not connect) PCM interface(1)
Positive Supply
Ground reference
UART receive input
UART transmit output
UART RTS, goes high to disable host transmitter
UART CTS, if set high, it disables transmitter
USB port. 1.5K pullup activated when USB port is ready (~500 ms after reset).
USB port
Status, high when connected, low otherwise. See Section 2.3 “Connection
Status”.
Auto discovery = high
Status, toggles based on state, low on connect. See Section 2.3 “Connection
Status”.
Set factory defaults. See Section 2.2 “Factory Reset Using GPIO4”.
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
Ground reference (RN41N only)
Antenna, 50-Ohm impedance (RN41N only)
Ground reference (RN41N only)
Ground reference
Ground reference
(Not used) Optional analog input.
UART TX/RX data activity
I/O
I/O (remote DTR signal)
I/O (remote RTS signal)
(Not used) Optional analog input
Note 1: Pin numbers 7 through 10 are reserved for future use.
2014 Microchip Technology Inc.
DS50002280A-page 7
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부품번호 | 상세설명 및 기능 | 제조사 |
RN41 | Class 1 Bluetooth Module | Microchip |
RN41N | Class 1 Bluetooth Module | Microchip |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |