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UM1765 Datasheet(PDF) 10 Page - STMicroelectronics

Part # UM1765
Description  Bluetooth low energy expansion board based on BlueNRG for STM32 Nucleo
PDF  14 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1765 Datasheet(HTML) 10 Page - STMicroelectronics

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Board schematic and bill of material
UM1765
10/14
DocID026346 Rev 5
5
Board schematic and bill of material
Table 3. Bill of materials (part 1)
Item
Quantity
Reference
Part
Note
1
4
C1, C17, C20, C22
1u_0402_X5R
VBAT & SMPS OUT filter cap
2
6
C2, C16, C18, C19, C21, C23
100n_0402_X7R
VBAT filtering
3
2
C3, C15
100p_0402_C0G
VBAT filtering
4
1
C4
150n_0402_X5R
VREG filtering
5
2
C5, C6
22p_0402_C0G
32 kHz XTAL load cap
6
1
C27
56p_0402_C0G
TX/RX balun cap
7
1
C24
56p_0402_C0G
TX/RX bypass cap
8
1
C25
TBD_0402_COG
Tuning cap
9
1
C26
TBD_0402_COG
Tuning cap
10
1
L4
TBD_0402
Tuning cap
11
2
C13, C14
15p_0402_C0G
16 MHz XTAL load cap
12 (1)
1
L1
LF-XTAL filtering ind
13
1
L2
HF-XTAL filtering ind
14
1
J1
THR 1.27 mm 2x5 pins
Test connector
15
1
J2
RF_IN/OUT
UFL jack assembly, End Launch
16
1
U4
BALF-NRG-01D3
Integrated balun for BlueNRG
QFN32
17
1
CN5
Extra-long 10 pins female-
male strip
Female side mounted to the top
18
2
CN6, CN9
Extra-long 8 pins female-
male strip
Female side mounted to the top
19
CN8
Extra-long 6 pins female-
male strip
Female side mounted to the top
20
1
Q1
XTAL
XTAL
21
1
Q2
XTAL
XTAL
22
5
R1, R3, R4, R5, R6
Connect to VDD, pull-down
23
1
R2
10k_0402
Connect to ground
24
2
R7, R9
100k_0402
Pull-up and pull-down
25
4
R10, R12, R14, R15
0_0402
jumper-resistor
26
3
R11, R13, R16
0_0402
jumper-resistor
27
1
U1
BlueNRG
RF IC
28
1
U5
HEADER 1X2
Male strip 1X2, 100 mils
27
1
U3
EEPROM
Memory
28
3
TEST8, TEST11,TEST12
Test point
Test point
1.
Not present on board market 14xx near U3.



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