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AN4630 Datasheet(PDF) 6 Page - STMicroelectronics

Part # AN4630
Description  PCB design guidelines for the BlueNRG and BlueNRG-MS devices
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4630 Datasheet(HTML) 6 Page - STMicroelectronics

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Reference schematics
AN4630
Figure 2: QFN32 package, SMD discrete balun, DC-DC converter OFF
Figure 3: QFN32 package, integrated balun, DC-DC converter ON
GAMSEC2014129-1009
C11
C17
U2
Application MCU
C18
L2
C21
C19
C15
L3
U1
BlueNRG
GNDPAD
C3
C20
L6
C16
L4
R1
C6
C10
C5
C7
XTAL2
C1
C12
C9
C4
XTAL1
C13
C14
L5
C8
1.7V to 3.6V Power Supply
SPI_MOSI
SPI_CLK
SPI_IRQ
SPI_CS
SPI_MISO
SPI_MOSI
1
SPI_CLK
2
SPI_IRQ
3
TEST1
4
VBAT3
5
TEST2
6
TEST3
7
TEST4
8
VBAT1
24
SXTAL0
23
SXTAL1
22
RF0
21
RF1
20
VBAT2
19
FXTAL0
18
FXTAL1
17
GAMSEC2014129-1021
U2
Application MCU
C7
XTAL2
L1
XTAL1
U1
BlueNRG
GNDPAD
C13
C3
U3
BALF-NRG-01D3
C19
C8
R1
C2
C20
C17
C5
L6
C18
C12
L5
C4
C1
C6
1.7 V to 3.6V Power Supply
SPI_MOSI
SPI_CLK
SPI_IRQ
SPI_CS
SPI_MISO
SPI_MOSI
1
SPI_CLK
2
SPI_IRQ
3
TEST1
4
VBAT3
5
TEST2
6
TEST3
7
TEST4
8
VBAT1
24
SXTAL0
23
SXTAL1
22
RF0
21
RF1
20
VBAT2
19
FXTAL0
18
FXTAL1
17
B1
1
B2
2
A2
3
A1
4
6/33
DocID027262 Rev 1



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