Rev.: 01
1 EB-STM3210E-LCD Overview
The EB-STM3210E-LCD is an extension board for the EM-STM3210E Development Board (see Figure 1).
Figure 1. LCD connector expansion board for EM-STM3210C
The expansion board has build in LED backlight driver circuit and 60pin FPC connector for the Kentec LCDs
(3.5 inch: K350QVG-V2-F; 4.3 inch: K430WQC-V3-FF; 5.0 inch: K50DWN2-V1-FF; 7.0 inch: K70DWN2-V1-FF;
9.0 inch: K90DWN2-V1-FF).
2 EB-STM3210E-LCD Dimensions
Figure 2. Outline Dimensions (Top) Figure 2. LCD connector Location (Bottom)
EM-STM3210E LCD Interface Expansion Board
(EB-STM3210E-LCD) User Guide
Rev.: 01
3 EB-STM3210E-LCD Interface
Table 1. Main Interface Signal (40pin header connect to EM-STM3210E MCU board)
Pin Symbol Description
1 CS Chip select signal for LCD
2 RS Command/Data select input for LCD
3 WR Write control signal for LCD
4 RD Read control signal for LCD
5 Reset Reset input signal for LCD
6~21
D0~D15 16-bit data bus
22 GND Ground (0V)
23 BL_ON LCD Backlight control input.
24, 25
VDD Power Supply (3.3V)
26, 27
GND Ground (0V)
28 VDD Power Supply (3.3V)
29, 30
NC No connection
31 XL
32 XR
33 YD
34 YU
Reserved for 4-wire resistive touch screen
Table 2. LCD Interface Signal (60pin ZIF connector to LCD module)
Pin Symbol Description
1, 2 LED_K LED power supply (-)
3, 4 LED_A LED power supply (+)
5 GND Ground (0V)
6 XR
7 YD
8 XL
9 YU
4-wire resistor touch screen terminal
10 GND Ground (0V)
11~13
NC No Connection
14 Reset Reset input signal for LCD
15 CS Chip select for LCD
16~19
NC No Connection
20 D0 Data bit 0, default connected to GND on MCU board
21~25
D1~D5 Data bit 1 ~ bit 5
26, 27
NC No Connection
28~30
D6~D8 Data bit 6 ~ bit 8
31 D9 Data bit 9, default connected to GND on MCU board
32, 33
D10, D11 Data bit 10 ~ bit 11
34, 35
NC No Connection
Continued Table 2, LCD Interface Signal (60pin ZIF connector to LCD module)
Rev.: 01
36~41
D12~D17 Data bit 12 ~ bit 17
42~44
GND Ground (0V)
45, 46
AVDD Power supply (3.3V)
47, 48
VCC Power supply (3.3V)
49 RS Command/Data select signal for LCD
50 RD Read control signal for LCD
51 WR Write control signal for LCD
52 PS0
53 PS1
54 PS2
55 PS3
LCD interface select pin for K350QVG-V2-F, default set to 4-wire SPI interface.
56, 57
NC No connection
58~60
GND Ground (0V)
4 Schematics
1 2 3 4
A
B
C
D
4321
D
C
B
ATitle
Number RevisionSize
A4
Date: 23-Aug-2011 Sheet of
File: D:\KentecDisplay\Element14\Embest\EM-LPC1700\PCB\EM-STM3210C_LCD.ddbDrawn By:
LED-K
1
LED-K
2
LED-A
3
LED-A
4
GND
5
XR
6
YD
7
XL
8
YU
9
GND
10
NC
11
NC
12
NC
13
RESET
14
CS
15
SPCLK
16
SPSDA
17
NC
18
NC
19
D0
20
D1
21
D2
22
D3
23
D4
24
D5
25
NC
26
NC
27
D6
28
D7
29
D8
30
D9
31
D10
32
D11
33
NC
34
NC
35
D12
36
D13
37
D14
38
D15
39
D16
40
D17
41
HSYNC
42
VSYNC
43
DCLK
44
AVDD
45
AVDD
46
VCC
47
VCC
48
DC
49
RD
50
WR
51
PS0
52
PS1
53
PS2
54
PS3
55
WSYNC
56
NC
57
OE(DEN)
58
GND
59
GND
60
CN1
3V3
PS0
PS1
PS2
PS3
R7
R4
R8
R6
R5
R3
R2
R1
R19
3V3
R11
R12
R13
R14
R15
R16
R17
R18
3V3
RESET
CS
RS
WR
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
RD
XR
YD
XL
YU
LED-K
LED-A
LED-K
LED-A
L1
22uH
C3
4.7uF D1 C4
1.0uF
R21 NC
R10
100K
R20
15R(for 20mA)
3V3
VIN
1
GND
2
EN
3FB 4
SW 5
GND 0
U1
PT4110
SW
D2
C1
0.1uF C2
0.1uF
3V3 3V3
LED-A
LED-K
R9
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
P1
CON34
CS
RS
WR/SCL
RD
RESET
3V3
SDO
SDI
SCK
XL
XR
YD
YU
VDD
VDD
GND
GND
GND
NC
NC
0R
0R
0R
NC
0R
0R
0R
0R
0R
0R
0R
NC
NC
NC
NC
Figure 3. Expansion board schematic
5 LCD driver code examples
Bellow attachment is the source code for the K350QVG-V2-F.
NO.
Document Attachment
1 Source code package
