ST ST72F651, User Manual, Page: 26 / 30

Schematic UM0452
26/30
Appendix A Schematic
5.4 Evaluation board schematic
Figure 19. Schematic
XT
1
12M
H
z
C2 33pF
C3
33pF
R6 1.
5k
US
B
_
V
C
C
1
US
B
_
D
-
2
US
B
_
D
+
3
US
B
_
GN
D
4
J2 US
B
C
O
N
PE3
48
PE2
(HS)
47
PE1
(HS)
46
PE0
(HS)
45
PD7
44
PD6
43
PD5
42
PD4
41
PD3
40
PD2
39
PD1
38
PD0
37
PC7
36
PC6
35
PC5
34
PC4
33
PF3
55
OSCOUT
64
OSCIN
63
Vss2
62
Vssa
61
Vdd a
60
Vdd 2
59
PF6/ICCDATA
58
PF5/I CCCLK
57
PF4
56
PF2
54
SDA
53
SCL
52
RESET
51
VPP
50
PE4
49
US
B
V
ss
1
US
B
D
M
2
US
B
D
P
3
U
S
BVCC
4
US
B
V
d
d
5
V
ddf
6
V
ssf
7
P
E
5
/
MMC
_
C
MD
8
P
E
6
/
MMC
_
D
A
T
9
P
E
7
/
MMC
_
C
L
K
10
PB0
/
D0
11
PB1
/
D1
12
PB2
/
D2
13
PB3
/
D3
14
PB4
/
D4
15
PB5
/
D5
16
PB6/ D6
17
PB7/ D7
18
PA0/SM C_CLE/ CF_A 0
19
PA1/SM C_WE /C F_A1
20
PA2/SM C_ALE/CF_A2
21
PA3/SM C_RE/C F_RE
22
PA4/ SMC_R/ B
23
PA5/ CF_WE
24
PA6
25
PA7
26
PC0
27
PC1/ MS _BS
28
PC2/ MS _DAT
29
PC3/ MS _CLK
30
Vdd1
31
Vss1
32
U2
S
T
72F
651
C8 100n
F
D0 D1 D2 D3 D4 D5
SM C_RB
PA3
D7
D6
VCC
GND
VCC
On
B
o
ar
d
F
la
sh
V
ddf
R4 4.
7k
R5 4.
7k S
M
C_
RB
D0 D1 D2 D3 D4 D5 D6 D7
PA
3
R1 330E
US
B
LED
Re
d
NA
ND_
CE
1
NA
ND_
CE
1
C6
100n
F
US
B
+
5
V
C1
2
4.
7µ
F
V
ddf
NC
1
NC
48
NC
47
NC
46
NC
45
I/
O
7
44
I/
O
6
43
I/
O
5
42
I/
O
4
41
NC
40
NC
39
NC
38
VCC
37
VSS
36
NC
35
NC
34
NC
33
I/
O
3
32
I/
O
2
31
I/
O
1
30
I/
O
0
29
NC
28
NC
27
NC
26
NC
25
NC
2
NC
3
NC
4
NC
5
NC
6
#R
/B
7
#R
E
8
#C
E
9
NC
10
NC
11
VCC
12
VSS
13
NC
14
NC
15
CLE
16
AL
E
17
#W
E
18
#W
P
19
NC
20
NC
21
NC
22
NC
23
NC
24
U1 NA
ND_
F
L
A
S
H1
C1 10µ
F
-10V
VCC
R2 330E
PD
4
SDA
SCL
SD
A
SC
L
XT
2
32.
768kH
z
C1
3
6pF C1
4
6pF
VC
C
R1
4
10k
R3 4k7
C5 100n
F
S2
RESET
GND
C4
100n
F
C7
100n
F
RT
C
V
ddf
ICC
RESE T
ICCDATA
ICCCLK
VPP
GND
Vddf
R
9
10k
R
1
0
10k
X1
1
X0
2
Vb
at
3
GN
D
4
SDA
5
SCL
6
IR
Q
7
VCC
8
U4 M
41T
81S
SDA
1
SCL
2
OS
3
GN
D
4
A2
5
A1
6
A0
7
VCC
8
TS
1
ST
DS75
SDA
1
SCL
2
OS
3
GN
D
4
A2
5
A1
6
A0
7
VCC
8
TS
2
ST
LM
75
C1
1
100n
F
VCC
SD
A
SC
L
SD
A
SC
L
SD
A
SC
L
C9 100n
F
C1
0
100n
F
BZ
1
B
U
ZZE
R
R1
5
1.
5k
VCC
PD
4
AL
AR
M
LED
re
d
R1
1
1.
5k
VCC
BT
1
BA
T
T
E
RY
T
E
M
P
S
E
NS
OR
-I
T
E
M
P
S
E
NS
OR
-II
VCC
1
GND
2
VLCD
3
RST
4
E1
5
E2
6
R/W
7
A0
8
DB1
10
DB2
11
DB3
12
DB4
13
DB5
14
DB6
15
DB7
16
DB0
9
LCD1 T
S
12232C
DB7
DB5
DB4
DB6
DB0
DB1
DB2
DB3
R2
0
10k
LC D_A0
GND
E1
E2
VCC
GND
PWM1
PWM1
E2 E1 PWM0
R1
7
270E
1 2
J3 DC
F
A
N
VCC
US
B
+
5
V
VC
C
+V
GN
D
1 2 3
J1 JA
C
K
EXT
LED
G
re
en
VC
C
1
2
3
4
5
6
7
8
9
10
CON1 HEA
D
ER
5
X
2
GN
D
VCC
VP
P
ICCD
A
T
A
ICCCL
K
RE
S
E
T
R1
8
10k
LC D_A0
LC
D
SDA
1
SCL
2
OS
3
GN
D
4
A2
5
A1
6
A0
7
VCC
8
TS
1
A
SO-
8
Socket
SD
A
SC
L
OS
1
SDA
1
SCL
2
OS
3
GN
D
4
A2
5
A1
6
A0
7
VCC
8
TS
2
A
T
SSOP-
8
S
OCK
E
T
SD
A
SC
L
OS
2
CLE AL
E
#W
E
#W
P
CLE
ALE
#WE
#WP
MISO
MOSI
SCK
1
2
3
4
5
6
7
8
CON2 HEA
D
ER
4
X
2
VC
C
GND
M
IS
O
MO
SI
SC
K
SD
A
SC
L
DB7 DB5 DB4 DB6 DB0 DB1 DB2 DB3
R7
0E
R8
330E
R1
3
10k
OS
1
OS
2
A0
#
A1
#
A2
#
A0 A1 A2
A0 A1 A2
A0 A1 A2
A1 A2
R1
2
10k
BU
Z
Z
LED
ye
ll
o
w
I2
C
LED
gr
ee
n
A0
#
A1
#
A2
#
A0
#
A1
#
A2
#
A0
#
A1
#
A2
#
IRQ/# SS
D1 IN
4148
R16 100E
R19 100E
A0
A0
vddf
GND
A1
vddf
GND
A2
vddf
GND
A0
#
VC
C
GND
A1
#
VC
C
GND
A2
#
VC
C
GND
S1
VCC
VCC
R2
7
10k
IR
Q/#
S
S
IR
Q/#
S
S
C1
6
100n
F
C1
5
330n
F
I
1
G
2
O
3
U3
L7805
C1
7
100u
F
/10v
R2
1
2
.2
k
R2
2
2
.2
k
R
2
3
2
.2
.k
R
2
4
2
.2
.k
R
2
6
2
.2
.k
R2
5
2
.2
k
FAN
2
3 1
Q2 2ST
R
1215
1
2 3
Q1 ST
B
100N
F
C1
9
100n
F
C1
8
100n
F