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Board schematic

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Board schematic
4
D
J2
1
3
5
7
9
11
13
15
17
19
GND
2
4
6
8
10
12
14
16
18
20
VDD_D
VCC
GND
GND
VCC
CON20AP
2
4
6
8
10
12
14
16
18
20
1
TS431BILT
VCC
1
3
5
7
9
11
13
15
17
19
#RST
GND
2
12MHz CRYSTAL
U1
1
CLK
DATA
INTRPT
PA9_FREQ_IN
2
VCC
R2
330
3V3
3
NC
C1
100nF
Cathode
R3
10k
4
Reference
R4
16k
R1
330
5
Anode
NC
1
Y1
2
MALE_CON.
PD0_OSC_IN
3
O/P
TCXO
R5
10k
C2
10pF
12MHz TCXO
C3
VDD_D
D
NC
SOT-23
CON20AP
M41T83S_SOX18
3V3
4
J1
SDA_D
SCL_D
SQW
#IRQ2
GND
VCC
3
GND
VCC
5
GND
100nF
VDD_D
STTS75DS2F_TSSOP8
U2
VDD_D
1
NC
2
C
VSS
NF
3
R12
10k
NF
NF
NF
VCC
4
NC
#IRQ2
5
VDD_D
SQW
B+
NC
#RST
NC
6
7
8
9
DU
SQW
Vbat
VSS
#IRQ1/FT/OUT
SCL
SDA
18
17
16
VSS
15
VDD_D
14
#IRQ2
R6
10k
R7
10k
R8
10k
VDD_D
VDD_D
D2
BAT54J
1
SCL_D
2
3
PA9_FREQ_IN
SCL_D
SDA_D
C11
20pF
GND
4
B+
SDA
VDD
SCL
A0
#OS
A1
GND
A2
Y3
12MHz_SMD
Y4
12MHz_TH
0.1uF
8
PD0_OSC_IN
GND
U3
SDA_D
13
12
11
10
PD0_OSC_IN
C4
R9
10k
PD1_OSC_OUT
7
C
R17
10k
C12
20pF
PD1_OSC_OUT
6
12MHz TH HOLE CRYSTAL
5
12MHz SMD CRYSTAL
GND
SOX18
C10
0.22F
GND
J4
R14
0
1
2
3
4
5
6
7
8
JTAG
B
3V3
GND
3V3
PD0_OSC_IN
PD1_OSC_OUT
#NRST
GND
3V3
C5
VBAT
PC13
PC14
PC15
PD0
PD1
NRST
VSSA
VDDA
PA0
PA1
PA2
48
47
46
45
44
43
42
41
40
39
38
37
LQFP48
VDD_2
VSS_2
PA13
PA12
PA11
PA10
PA9
PA8
PB15
PB14
PB13
PB12
36
35
34
33
32
31
30
29
28
27
26
25
8 HEADER
1
2
3
4
5
3V3
GND
JTAG_PA13
#NRST
JTAG_PA13
JTAG_PA14
R10
10k
R11
10k
D1
VCC
R15
470
JTAG
R13
10k
PA9_FREQ_IN
GND
LED
POWER INDICATOR lED
TP1
1
CLK
DATA
TEST POINT
INTRPT
Daughter Card ID : 0x09
13
14
15
16
17
18
19
20
21
22
23
24
100nF
1
2
3
4
5
6
7
8
9
10
11
12
JTAG_PA14
VDD_3
VSS_3
PB9
PB8
BOOT0
PB7
PB6
PB5
PB4
PB3
PA15
PA14
3V3
B
J3
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB10
PB11
VSS_1
VDD_1
U4
VDD_D
PA9_FREQ_IN
#IRQ2
SDA_D
SCL_D
#RST
SQW
GND
M41T83SMY6E_SOX18
3V3
A
A
GND
3V3
WWW.ST.COM
GND
C6
100nF
C7
100nF
C8
100nF
C9
100nF
Title
DAUGHTER CARD ID:- 0X09
R16
0
Size
Document Number
Rev
1
STEVAL-IFR003V1
Date:
5
4
3
2
www.BDTIC.com/ST
Monday, March 08, 2010
Sheet
1
of
1
1
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