Schematic

1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2015/6/11 Sheet of
File: E:\ \..\LCD Keypad shield v2.0.SchDocDrawn By:
1
2
3
4
5
6
7
8
J1
+5V
+3.3V
1
2
3
4
5
6
J3
RESET AREF
1
2
3
4
5
6
7
8
9
10
J2
1
2
3
4
5
6
7
8
J4
VIN
PA0
PA1
PA4
PB0
PC1
PC0
PA9_TX
PC7
PB6
PB13
PB14
PB15
PB9_SDA
PB8_SCL
PA3
PA2
PA10_RX
PB5
PB3
PB4
PB10
PA8
GND
GND
VIN
5V
3.3V
NC
IOREF
GND
AREF
2K
R3
FD1 FD2
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
VSS
1
VDD
2
VO
3
RS
4
R/W
5
E
6
D0
7
D1
8
D2
9
D3
10
D4
11
D5
12
D6
13
D7
14
BLK
15
BLA
16
U1
510R
R4
820R
R6
1.8K
R8
5.1K
R9
+5V
10K
RP
+5V
D8 D9 D4 D5 D6 D7
+5V
5.1K
R1
10K
R2
Q1
D10
10K
R7
RESET
A0
+5V
0V
RIGHT
1V
UP
2V
DOWN
3V
LEFT
4V
SELECT
Reset
1.5K
R10
PIDOWN01 PIDOWN02
PIDOWN03PIDOWN04
CODOWN
COFD1 COFD2
PIJ101
PIJ102
PIJ103
PIJ104
PIJ105
PIJ106
PIJ107
PIJ108
COJ1
PIJ201
PIJ202
PIJ203
PIJ204
PIJ205
PIJ206
PIJ207
PIJ208
PIJ209
PIJ2010
COJ2
PIJ301
PIJ302
PIJ303
PIJ304
PIJ305
PIJ306
COJ3
PIJ401
PIJ402
PIJ403
PIJ404
PIJ405
PIJ406
PIJ407
PIJ408
COJ4
PILEFT01 PILEFT02
PILEFT03PILEFT04
COLEFT
PIQ101
PIQ102
PIQ103
COQ1
PIR101
PIR102
COR1
PIR201PIR202
COR2
PIR301
PIR302
COR3
PIR401
PIR402
COR4
PIR601
PIR602
COR6
PIR701
PIR702
COR7
PIR801
PIR802
COR8
PIR901
PIR902
COR9
PIR1001
PIR1002
COR10
PIReset01 PIReset02
COReset
PIRIGHT01 PIRIGHT02
PIRIGHT03PIRIGHT04
CORIGHT
PIRP01
PIRP02
PIRP03
CORP
PISELECT01 PISELECT02
PISELECT03PISELECT04
COSELECT
PIU101 PIU102 PIU103 PIU104 PIU105 PIU106 PIU107 PIU108 PIU109 PIU1010 PIU1011 PIU1012 PIU1013 PIU1014 PIU1015 PIU1016
COU1
PIUP01 PIUP02
PIUP03PIUP04
COUP
PIJ104
PIJ102
PIJ105
PIR102
PIR302
PIR702
PIRP01
PIU102 PIU1015
PIJ301
PIR301
PIR402
PIRIGHT02
PIRIGHT03
NLA0
PIJ302
NLA1
PIJ303
NLA2
PIJ304
NLA3
PIJ305
NLA4
PIJ306
NLA5
PIJ408
NLD0
PIJ407
NLD1
PIJ406
NLD2
PIJ405
NLD3
PIJ404
PIU1011
NLD4
PIJ403
PIU1012
NLD5
PIJ402
PIU1013
NLD6
PIJ401
PIU1014
NLD7
PIJ2010
PIU104
NLD8
PIJ209
PIU106
NLD9
PIJ208
PIR101
PIR202
NLD10
PIJ207
NLD11
PIJ206
NLD12
PIJ205
NLD13
PIJ202
NLD14
PIJ201
NLD15
PIDOWN01
PIDOWN04
PIJ106
PIJ107
PIJ204
PILEFT01
PILEFT04
PIQ102
PIR1001
PIReset01
PIRIGHT01
PIRIGHT04
PIRP03
PISELECT01
PISELECT04
PIU101 PIU105
PIUP01
PIUP04
PIDOWN02
PIDOWN03
PIR601
PIR802
PIJ101
PIJ203
POAREF
PILEFT02
PILEFT03
PIR801
PIR902
PIQ101PIR201
PIQ103
PIU1016
PIR401
PIR602
PIUP02
PIUP03
PIJ103
PIR701
PIReset02
PORESET
PIR901
PISELECT02
PISELECT03
PIR1002
PIRP02
PIU103 PIU107 PIU108 PIU109 PIU1010
PIJ108
POAREF PORESET