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RNBD451 Datasheet(PDF) 43 Page - Microchip Technology

Part # RNBD451
Description  RNBD451 Bluetooth® Low Energy Module Data Sheet
PDF  67 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RNBD451 Datasheet(HTML) 43 Page - Microchip Technology

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RNBD451
Basic Connection Requirement
© 2022 Microchip Technology Inc.
and its subsidiaries
Advance Information Data Sheet
DS70005514A-page 43
5.
Basic Connection Requirement
The RNBD451 module requires attention to a minimal set of device pin connections before proceeding with
development.
Figure 5-1. RNBD451 Module Basic Connection and Interface Diagram
GND
1
GND
2
NMCLR
3
PB0
4
GND
8
VDD_A
7
PB3
5
PB5
6
PA11
9
PA12
10
PB6
12
GND
11
PB7
13
VDD
27
VDD
28
PA8
29
PA9
30
PA7
31
PA10
32
PA13
33
PA14
34
PA2
35
PA3
36
PB2
37
PB1
38
PB4
39
40
0Ω
U 1
RNBD451
GND
PB0
PB3
PB5
PA11
PA12
PB3
PB6
PB7
PA9
PA7
PA10
PA14
PA2
PA3
PB2
PB1
PB4
PA13
PA8
RNBD451
0.1uF
C1
R2
GND
GND
0.1uF
C2
4.7uF
C3
GND
VDD
GND
GND
0.1uF
C4
4.7uF
C5
GND
GND
VDD
NMCLR
GND
TPAD_GND
5.1
Power Pins
It is recommended that a bulk and a decoupling capacitor be added at the input supply pin (VDD, VDD_A and GND
pins) of the RNBD451 module.
• It is recommended that 4.7 μF be on the VDD_A pin and 4.7 μF and a 0.1 μF be on the VDD pin.
• The value of the capacitors are based on typical application requirements and are the minimum recommended
values. Depending on the application requirement (in other words, a noisy power line or other known noise
sources), the values of capacitors can be adjusted to provide a clean supply to the module.
• All capacitors must be placed close to the Module Power supply pins.
5.2
Master Clear (NMCLR) Pin
The NMCLR pin provides for two specific device functions:
• Device Reset



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