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RN4871 데이터시트(PDF) 11 Page - Microchip Technology

부품명 RN4871
상세설명  Bluetooth 4.2 Low Energy Module
PDF  48 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RN4871 데이터시트(HTML) 11 Page - Microchip Technology

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 2016 Microchip Technology Inc.
DS50002489A-page 11
RN4870/71
3.0
INTERFACE PINS
Figure 3-1 shows the power scheme using a 3.3V
low-dropout regulator to the RN487x and a host MCU.
This scheme ensures that the same voltage is used for
both the module and the MCU.
Figure 3-1 also shows the basic UART connections to
the host MCU.
Figure 3-2 shows the recommended connections for
running the RN4870/71 on coin cell battery.
FIGURE 3-1:
POWER SCHEME
System Configurator
System Configurator
Note 1: Ensure VDD_IO and MCU VDD voltages are compatible
2: Control and Indication ports are configurable
3: To implement low-power operation, enable the UART_RX_IND
pin and connect to ground.
Note 1: Ensure VDD_IO and MCU VDD voltages are compatible
2: Control and Indication ports are configurable
3: 10 µF (X5R) and 330 ohm resistor are required for RN487x
4: BK_IN connects to VBAT for RN4871U
5: To implement low-power operation, enable the UART_RX_IND
pin and connect to ground.
RN4870/71/70U
RN4871U



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