UM1519
Schematics
Doc ID 022813 Rev 2
31/40
Figure 13.
STM3220-21-45-46G-EVALLCD
TouchS
cr
een_X+
Touch
Sc
reen_X
-
TouchS
cr
een_Y+
Touch
Sc
reen_
Y-
CS
1
RS
2
WR
/S
C
L
3
RD
4
RESET
5
VD
D
24
VC
I
25
GN
D
26
GN
D
27
B
L
_VD
D
28
B
L
_C
ontr
ol
23
B
L
_GN
D
22
PD
1
6
PD
2
7
PD
3
8
PD
4
9
PD
5
10
PD
6
11
PD
7
12
PD
8
13
PD
10
14
PD
11
15
PD
12
16
PD
13
17
PD
14
18
PD
15
19
PD
16
20
PD
17
21
SD
O
29
SD
I
30
XL
31
XR
32
YD
33
YU
34
CN1
9
3.2
"
LCD_c
onnec
to
r
(MB785
with
AM
-240320D4T
OQW
-T00H(R))
+3V
3
+5
V
To I/O expandor
RE
SE
T
#
D[0..15]
A[0..20]
A[0..20]
D[0..15]
FSMC_NWE
FS
M
C
_N
O
E
FSMC_NE
3
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D1
0
D1
1
D1
2
D1
3
D1
4
D1
5
A0
PD
5
PD
4
PG
10
R170
150
R171
150
R172
150
R173
150
R174
150
R175
150
R176
150
R177
150
R82
150
R161
150
R163
150
R165
150
R166
150
R167
150
R168
150
R169
150
R78
150
R1
19
150
R162
150
R164
150
C148
10u
F
L2
BEAD
C153
100n
F
L1
BEAD
LCD_HSY
N
C
LCD_VSY
N
C
LCD_C
S
1
2
3
4
5
6
CN2
2
H
e
ad
er
3X2H
PC[0..15]
PC
10
PC
11
PC
12
PC[0..15]
Reser
v
e
d
fo
r
LC
D
c
onnec
to
r
R6
7
0
+3V
3
R68
[N/A
]
AM12009v1