EVBUM2769/D
14
0V
1.
65V
R161
10k
R162
10k
R163
10k
R164
10k
R165
10k
R166
10k
1
2
3
4
K1
1
TACT
1
2
3
4
K21
TACT
1
2
3
4
K12
TACT
1
2
3
4
K22
TACT
1
2
3
4
K13
TACT
1
2
3
4
K23
TACT
1
2
3
4
K14
TACT
1
2
3
4
K24
TACT
R167
10k
R168
10k
KEY0
KEY1
KEY2
KEY3
TP102
DVDD
TP101
DGND
DVDD
DGND
DVDD
DGND
VCC
1
GND
2
CS
3
RESET
4
D/C
5
MOSI
6
SCK
7
LED
8
MISO
9
T
−
CLK
10
T
−
CS
11
T
−
DIN
12
T
−
DO
13
T
−
IRQ
14
CN102
Socket
−
Pin14
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
B16
A9
A16
B15
B9
A15
B14
A10
A14
B13
B10
A13
B12
A1
1
A12
B1
1
A17 A18 A19 A20 A21 A22 A23 A24 A25 A26
B17 B18 B19 B20 B21 B22 B23 B24 B25 B26
CN101
FX2
−
52S
−
1.27DS
DGND
DVDD
LED DC MOSI SCK MISO CS RESET
5V
DGND
KEY3 KEY2 KEY1 KEY0
DGND
DVDD
T
−
CLK
T
−
CS
T
−
DIN
T
−
DO
T
−
IRQ
RE
−
A
RE
−
B
KEY0
DGND
3
1
2
Q151 2SA733
2
3
1
Q152
2SC945
R151
3k3
DVDD
R152
10k
R153
3k3
DGND
R154
10k
DGND
R155
0
R156
OPEN
A G B
RE101
R_ENC
DGND
DC MOSI SCK
MISO
CS RESET
T
−
CLK
T
−
CS
T
−
DIN
T
−
DO
T
−
IRQ
DVDD
DGND
LED
TP121
5V
R107
0
R108
0
R109
0
R1
10
0
R1
11
0
R1
12
0
R1
13
0
R125
0
R126
0
R127
0
R128
0
R135
0
R136
0
R137
0
R138
0
R139
0
R140
0
R141
0
R157
0
R171
0
TP107
LED
TP1
13
RESET
TP108
DC
TP109
MOSI
TP1
10
SCK
TP1
11
MISO
TP1
12
CS
TP135
T
−
CLK
TP136
T
−
CS
TP137
T
−
DIN
TP138
T
−
DO
TP139
T
−
IRQ
TP140
RE
−
A
TP141
RE
−
B
TP125
KEY3
TP126
KEY2
TP127
KEY1
TP128
KEY0
TP178
LED
−
ON
R144
0
1 2 3 4
CN103
WL
−
8
−
4
SD_CS SD_MOSI SD_MISO SD_SCK
C102
100u/10v
C101
0.1z
DGND
C104
100u/10v
C103
0.1z
DGND
Figure 17. LC786830DEMO
−
LCD Board