ChipNordic Semiconductor

nRF52811 QFN48 Bluetooth LE SoC pinout

Nordic nRF52811 Bluetooth Low Energy SoC pin assignment for the QFN48 6x6mm package, including GPIO, 32 MHz and 32.768 kHz crystal pins, SWD, RF antenna and regulator pins.

Aliase:NRF52811-QFAA-R, nRF52811-QFAA-R

Datasheet (PDF)

QFN48 6x6mm Top View

49 Pins

Pin-Tabelle49

Pin	Signal / Name	Typ	Alternative Funktionen
1	DEC1	Power	0.9 V regulator digital supply decoupling
2	P0.00/XL1	Digital	General purpose I/OConnection for 32.768 kHz crystal (LFXO)Analog input
3	P0.01/XL2	Digital	General purpose I/OConnection for 32.768 kHz crystal (LFXO)Analog input
4	P0.02/AIN0	Digital	General purpose I/OSAADC input AIN0COMP input
5	P0.03/AIN1	Digital	General purpose I/OSAADC input AIN1COMP input
6	P0.04/AIN2	Digital	General purpose I/OSAADC input AIN2COMP input
7	P0.05/AIN3	Digital	General purpose I/OSAADC input AIN3COMP input
8	P0.06	Digital	General purpose I/O
9	P0.07	Digital	General purpose I/O
10	P0.08	Digital	General purpose I/O
11	P0.09	Digital	General purpose I/O
12	P0.10	Digital	General purpose I/O
13	VDD	Power	Power supply
14	P0.11	Digital	General purpose I/O
15	P0.12	Digital	General purpose I/O
16	P0.13	Digital	General purpose I/O
17	P0.14	Digital	General purpose I/O
18	P0.15	Digital	General purpose I/O
19	P0.16	Digital	General purpose I/O
20	P0.17	Digital	General purpose I/O
21	P0.18	Digital	General purpose I/O
22	P0.19	Digital	General purpose I/O
23	P0.20	Digital	General purpose I/O
24	P0.21/~nRESET	Digital	General purpose I/OConfigurable as pin reset
25	SWDCLK	Digital	Serial wire debug clock input for debug and programming
26	SWDIO	Digital	Serial wire debug I/O for debug and programming
27	P0.22	Digital	General purpose I/O
28	P0.23	Digital	General purpose I/O
29	P0.24	Digital	General purpose I/O
30	ANT	Analog	Single-ended radio antenna connection
31	VSS	Ground	Ground (radio supply)
32	DEC2	Power	1.3 V regulator supply decoupling (radio supply)
33	DEC3	Power	Power supply decoupling
34	XC1	Analog	Connection for 32 MHz crystal
35	XC2	Analog	Connection for 32 MHz crystal
36	VDD	Power	Power supply
37	P0.25	Digital	General purpose I/O
38	P0.26	Digital	General purpose I/O
39	P0.27	Digital	General purpose I/O
40	P0.28/AIN4	Digital	General purpose I/OSAADC input AIN4COMP input
41	P0.29/AIN5	Digital	General purpose I/OSAADC input AIN5COMP input
42	P0.30/AIN6	Digital	General purpose I/OSAADC input AIN6COMP input
43	P0.31/AIN7	Digital	General purpose I/O pinSAADC input AIN7COMP input
44	NC	NC	Leave unconnected
45	VSS	Ground	Ground
46	DEC4	Power	1.3 V regulator supply decoupling, input from DC/DC regulatorOutput from 1.3 V LDO
47	DCC	Power	DC/DC regulator output
48	VDD	Power	Power supply
EP	VSS	Ground	Die pad ground, must be connected to VSS

QFN48 6x6mm Top View

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