ST STEVAL-STWINBX1 - Figure 42. Adapter Board Circuit Schematic

Figure 42. Adapter board circuit schematic
34 pin-Expansion
plug connector
VDD
DIL24 Socket
VDD
VDD
VDD
S B14NC
S B9 NC
S B5 NC
0R SB15
R2 2.2K (NC)
S B3 0R
S B8 0R
S B4 NC
S B6 NC
0R SB16
R1 2.2K (NC)
CN2
1
2
S P C15503
3
4
5
6
7
8
9
10
11
12
14
15
16
17
19
20
21
22
23
24
13
18
C1
330pF
S B7
0R
NC S B13
S B11 NC
S B12 0R
S B1 0R
C2
330pF
CN1
1 2
CON34-P lug
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21
22
23 24
25 26
27 28
29 30
31 32
33 34
0RS B10 NC S B17
S B2 NC
I2C_S CL
S P I_MIS O
S P I_MOS I
S P I_CS
INT1
S P I_CLK
INT2
I2C_S DA
S P I_MIS O
S P I_MOS I
S P I_CLK
S P I_CS
I2C_S DA
I2C_S CL
INT1
INT2
S P I_CS _2
S P I_CS _2
INT2
INT2
INT1 INT2
UM2965 - Rev 1
page 43/58
UM2965
Schematic diagrams