UM1065
Schematics
Doc ID 018640 Rev 4
Figure 37.
3.2” LCD module with SPI and 16-bit interface
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
A.1(PCB.SCH)
Date:
3/27/2009
Enable
DotClk
HSYNC
VSYNC
CS
RS
WR
RD
#RESET
SDO
SDI
VDD
PD
0
PD
1
PD
2
PD
3
PD
4
PD
5
PD
6
PD
7
PD
8
PD
9
P
D10
P
D11
P
D12
P
D13
P
D14
P
D15
P
D16
P
D17
YU
YD
XR
XL
VSS
1
XL
2
XR
3
YD
4
YU
5
VSS
6
IM0/ID
7
IM
1
8
IM
3
9
SDO
10
NC
11
SDI
12
D17
13
D16
14
D15
15
D14
16
D13
17
D12
18
D11
19
D10
20
D9
21
D8
22
D7
23
D6
24
D5
25
D4
26
D3
27
D2
28
D1
29
D0
30
CS
31
RESET
32
RS
33
WR/SCL
34
RD
35
VSYNC
36
HSYNC
37
DOTCLK
38
ENABLE
39
VCC
40
VCC
41
VSS
42
L
ED_K
43
L
ED_A
44
VSS
45
CN2
F
F
0245SS1
R4
0
R1
10K
VDD
RP1
10K
RP2
10K
RP4
10K
PD
0
PD
2
PD
4
PD
6
PD
8
PD
9
P
D10
P
D11
P
D12
P
D13
P
D14
P
D15
P
D16
P
D17
Enable
DotClk
HSYNC
VSYNC
VDD
C3
1
u
F
/50V
R3
4K7
R2
4K7
SDI
SDO
RD
RS
Soldered
for
Serial
interface
only
Soldered
for
i80-s
y
stem
16-bit
interface
The
34-pin
connector
to
mother
board
for
both
serial
&
16bit
interface.
Compatible
with
MB694
with
Touch
screen
signals
added
on
Pi
n
31-34.
CS
RS
WR
RD
#RESET
VDD
B
L
GND
B
L
VDD
B
L
_Control
PD
1
PD
2
PD
3
PD
4
PD
5
PD
6
PD
7
PD
8
P
D10
P
D11
P
D12
P
D13
P
D14
P
D15
P
D16
P
D17
SDO
SDI
A
K
Z1
STPS
1
L
4
0
M
C1
4.7uF/50V
L1
4.7uH(1A)
R7
10
B
L
GND
B
L
VDD
R6
100K
C2
2.2uF
R5
0
R8
do
not
fit
B
L
VDD
B
L
_Control
B
L
GND
B
L
GND
B
L
GND
AM-240320D4TOQW-T00H(R)
Vi
1
Rset
2
GND
3
FB
4
NC
5
Vo
6
EN
7
SW
8
P
GND
9
U1
S
T
L
D40DPMR
CS
1
RS
2
WR/SCL
3
RD
4
RESET
5
VDD
24
VCI
25
GND
26
GND
27
B
L
_VDD
28
B
L
_Control
23
B
L
_GND
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
P
D10
14
P
D11
15
P
D12
16
P
D13
17
P
D14
18
P
D15
19
P
D16
20
P
D17
21
SDO
29
SDI
30
XL
31
XR
32
YD
33
YU
34
CN1
3.2LCD_connector
YU
YD
XR
XL
LC
D
board
connector
to
Mother
board
M
B785
1
1
3.2"
LCD
module
with
both
SPI
&
16bit
interface
RP3
10K
RP6
10K
RP5
10K
PD
1
PD
3
PD
5
PD
7