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Figure 7-2: Touch Screen connection schematic
LCD-RST
PMD5
PMD6
PMD7
LCD-RS
LCD-CS#
LCD-YU
LCD-XL
LCD-YD
LCD-XR
LCD-B
LED
PMR
D
PMW
R
PMD4
PMD3
PMD2
PMD1
PMD0
PMD8
PMD9
PMD10
PMD11
PMD13
PMD12
PMD15
PMD14
VCC-3.3
Vcap
E9
10uF
VDD
16
RE6
4
RE5
3
RB0
25
RB1
24
RB2
23
RB3
22
RB4
21
RB5
20
RE7
5
RG6/SCK2
10
RG7/SDI2
11
VSS
15
RG9
14
RG8/SDO2
12
MCLR
13
RG15
1
VDD
2
RC1
6
RC2
7
RC3
8
RC4
9
RA0/TMS
17
RE8/INT1
18
RE9/INT2
19
RB11
35
AVD
D
30
RB9
33
RB8
32
RB13
42
RB12
41
RB15
44
RB14
43
RF4
49
RF5
50
VSS
36
RB6
26
AVS
S
31
RB10
34
RB7
27
VDD
37
RA9
28
RA10/VR
EF+
29
RA1
38
RF13
39
RF12
40
RD14
47
RD15
48
VSS
45
VDD
46
RC14
74
RC13
73
RD0
72
RD11
71
RD10
70
VDD
62
VSS
65
D+/RG2
57
RF3
51
U1RX/RF2
52
VUSB
55
D-/RG3
56
OSC2
64
RD8
68
OSC1
63
RD9
69
VSS
75
RA14
66
RA15
67
RA4
60
RA5
61
SCL2/RA2
58
SDA2/RA3
59
U1TX/RF8
53
VBUS
54
RD2
77
RF0
87
RD7
84
RD6
83
RD5
82
RD4
81
RE4
100
ENVR
EG
86
Vcap/VDDcore
85
RD1
76
RE0
93
RD3
78
RF1
88
RE1
94
RE2
98
RE3
99
RG
13
97
RG
12
96
RG
14
95
RA7
92
RA6
91
RG
0
90
RG
1
89
RD13
80
RD12
79
U1
PIC32MX460F512L
R23
1K
VCC-SYS
LCD-RST
LCD-RS
LCD-CS#
LCD-YU
LCD-XL
LCD-YD
LCD-XR
VCC-3.3
E13
10uF
R25
10K
VCC-3.3
R24
10K
LCD-RST
LCD-CS#
VCC-3.3
LCD-BLED
R42
300K
VCC-3.3
R41
300K
LCD-YU
LCD-XL
VCC-3.3
Q1
BC846
R40
12
VCC-SYS
Q2
BC846
Q3
BC846
PMRD
PMWR
C21
18nF
C22
18nF
D2
BAT43
LED-A1
2
DB17
15
HSYNC
12
RD
35
VSYNC
11
WR/SCL
36
LED-A2
3
LED-A3
4
LED-A4
5
IM0
6
ENABLE
14
IM1
7
IM2
8
IM3
9
DOTCLK
13
GND
43
SDO
33
RESET
10
RS
37
CS
38
FMARK
39
VCC-IO
40
XR
44
YD
45
XL
46
SDI
34
LED-K
1
YU
47
DB16
16
DB15
17
DB14
18
DB13
19
DB12
20
DB11
21
DB10
22
DB9
23
DB8
24
DB7
25
DB6
26
DB5
27
DB4
28
DB3
29
DB2
30
DB1
31
DB0
32
VCC
41
VCC-I
42
TFT1
MI0283QT2
VCC-3.3
PMD8
PMD9
PMD10
PMD11
PMD15
PMD14
PMD13
PMD12
PMD4
PMD3
PMD5
PMD6
PMD7
PMD2
PMD1
PMD0
C5
100nF
C6
100nF
C7
100nF
C8
100nF
VCC-3.3 VCC-3.3
VCC-3.3 VCC-3.3
VCC-3.3
C25
100nF
VCC-3.3
E8
10uF
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