Figure 5.
X-NUCLEO-IDB05A2 circuit schematic - STM32 Nucleo connections
PA5
GND
1
+3V3
SMD 0805
PA9
2
CSN
R70
CLK
SMD 0805
R80
PB6
R10
SMD 0805
nS
Not mounted
Not mounted
Not mounted
J1
HEADER 1x2
MOSI
SMD 0805
IRQ
CSN
IRQ
CLK
RST
R30
SMD 0805
R40
SMD 0805
PB3
3V3
R60
SMD 0805
PA6
R20
PA1
PA0
PC7
PA8
PA7
MISO
Figure 6.
X-NUCLEO-IDB05A2 circuit schematic - BlueNRG-M0A module
SMD 0805
VDD
RESETN
MOSI
2
3
ANT.
CLK
8
1
SMD 0805
VDD
11
RST
NC1
MISO
IRQ
SMD 0805
SPI_IRQ
R11 10k
9
2
SPI_MOSI
NC2
16V
SMD 0402
R10 10k
SPI_CLK
7
4
6
GND
C2
1µF
R9
47k
1
EXT_LPCLK
SPI_CS
10
SPI_MISO
5
VIN
U1
BLUENRG-M0A
CSN
UM2700
Schematic diagrams
UM2700
-
Rev 1
page 11/18