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RN4871 Datasheet(PDF) 3 Page - Microchip Technology

Part # RN4871
Description  Bluetooth 4.2 Low Energy Module
PDF  48 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RN4871 Datasheet(HTML) 3 Page - Microchip Technology

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 2016 Microchip Technology Inc.
DS50002489A-page 3
RN4870/71
1.0
DEVICE OVERVIEW
1.1
Overview
The RN4870/71 Bluetooth Low Energy (BLE) modules
integrate Bluetooth 4.2 baseband controller, on-board
Bluetooth stack, digital and analog I/O, and RF power
amplifier into one solution.
Table 1-1 shows the various options for packaging and
features available in the RN4870/71 family. Table 1-2
provides the description of the pin functions for all the
modules in the RN4870/71 family. Figure 1-1 through
Figure 1-4 show the pinout for the different modules.
TABLE 1-1:
RN4870/71 FAMILY
Part Number(1)
Antenna On-Board
Shielding
Number of Pins
Dimensions
RN4870-V/RM118
Yes
Yes
33
12 mm x 22 mm
RN4870U-V/RM118
No
No
30
12 mm x 15 mm
RN4871-V/RM118
Yes
Yes
16
9 mm x 11.5 mm
RN4871U-V/RM118
No
No
17
6 mm x 8 mm
Note 1: The last three digits in P/N indicate firmware version. At the time of publication, the latest firmware version
is 1.18. Ensure to check product webpage for latest part number and firmware version.
TABLE 1-2:
PIN DESCRIPTION
RN4870U RN4870 RN4871U RN4871
Name
Type
Description
—
1
—
—
GND
Power
Ground reference
—
2
—
—
GND
Power
Ground reference
1
3
12
13
GND
Power
Ground reference
2
4
11
14
VBAT
Power
Positive supply input. Range: 1.9V~3.6V
—
—
10
—
BK_IN
Power
Buck power supply input
Can be connected to the VBAT pin
Connect to 10 µF low ESR ceramic capacitor
Voltage range: 1.9V to 3.6V
35
—
—
P2_2
D I/O
GPIO
PWM1
Default: Input; pulled-high
4
6
—
—
VDD_IO
Power
VDD; power input
Same input pin as VBAT
Can be connected to the VBAT pin
5
7
—
—
VDD_IO
Power
VDD; power input
Same input pin as VBAT
Can be connected to the VBAT pin
6
8
—
—
ULPC_O
Power
1.2V ULPC LDO output
Used for diagnostic purposes
Do not connect to any pin or device
For measurement, connect a bypass 1 µF
capacitor to ground
79
—
—
P2_3
D I/O
GPIO
PWM2
Default: Input; pulled-high
8
10
—
—
BK_O
Power
1.55V Buck power supply output for diagnostic
purpose
Do not connect
—
—
13
6
P1_6
D I/O
A O/p
GPIO
—
—
14
5
P1_7
D I/O
A O/p
GPIO



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