BLUENRG-1 Datasheet, PDF (148/173 Pages) STMicroelectronics – Bluetooth low energy wireless system-on-chip

Pin description
Pins
14 D4
15 B4
16 D5
17 A6
18 B5
19 -
20 C6
21 D6
22 E4
23 E5
24 E6
25 B3
26 F6
27 F4
28 F3
29 -
30 F2
31 E3
32 E2
- A4
- B6
- C1
- F5
Name
ANATEST1
ADC1
ADC2
FXTAL1
FXTAL0
VBAT2
RF1
RF0
SXTAL1
SXTAL0
VBAT1
RESETN
SMPSFILT1
SMPSFILT2
VDD1V2
DIO13
DIO12
TEST
DIO11
GND
GND
GND
GND
I/O
O
I
I
I
I
VDD
I/O
I/O
I
I
VDD
I
I
I/O
O
I/O
I/O
I
I/O
GND
GND
GND
GND
BlueNRG-1
Description
Analog output
ADC input 1
ADC input 2
16/32 MHz crystal
16/32 MHz crystal
Battery voltage input
Antenna + matching circuit connection
Antenna + matching circuit connection
32 kHz crystal
32 kHz crystal
Battery voltage input
System reset
SMPS output to external filter
SMPS output to external filter/battery voltage input
1.2 V digital core output
General purpose digital I/O
General purpose digital I/O
Test pin put to GND
General purpose digital I/O
Ground
Ground
Ground
Ground
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DocID028866 Rev 1