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1 EB-LM4F120-L35 Overview
The EB-LM4F120-L35 is a LCD boosterpack for the Stellaris LaunchPad (see Figure 1).
Figure 1. LCD boosterpack for Stellaris LaunchPad
The boosterpack include a 3.5 inch QVGA TFT LCD module (P/N: K350QVG-V2-F) and with build in LED
backlight driver circuit. The LCD connector also can be interfaced to larger size LCD module from Kentec
Display (4.3 inch: K430WQC-V3-FF; 5 inch: K50DWN2-V1-FF; 7 inch: K70DWN2-V1-FF; 9 inch:
K90DWN2-V1-FF).
2 Expansion Board Dimensions
Figure 2. LCD connector Location (Bottom)
3 EB-LM4F120-L3 Interface
Table 1. Pin socket connect to Stellari s LaunchPad MCU board
J1 Pin Symbol LaunchPad Pin Description
1 3V3 +3.3V
Power supply
2 LCD_D5 PB5 Data bit 5 for LCD
3 LCD_D0 PB0 Data bit 0 for LCD
4 LCD_D1 PB1 Data bit 1 for LCD
Stellaris LaunchPad LCD Boosterpack EB-LM4F120-L35
User Guide
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Continued Table 1, Main Interface Signal (Pin socket connect to EK-LM4F232 MCU board)
5 TOUCH_XP PE4 Resistor touch screen terminal (Left)
6 TOUCH_YP PE5 Resistor touch screen terminal (Top)
7 LCD_D4 PB4 Data bit 4 for LCD
8 LCD_WR PA5 Write control signal for LCD
9 LCD_RS PA6 Register/Data select for LCD
10 LCD_CS PA7 Chip select for LCD
J2 Pin Symbol LaunchPad Pin Description
1 GND GND
Ground
2 LCD_D2 PB2 Data bit 2 for LCD
3 NC PE0
No connection
4 NC PF0
No connection
5 RESET RST
Reset signal for LCD/MCU
6 LCD_D7 PB7 Data bit 7 for LCD
7 LCD_D6 PB6 Data bit 6 for LCD
8 LCD_RD PA4 Read control signal for LCD
9 TOUCH_XN PA3 Resistor touch screen terminal (Right)
10 TOUCH_YN PA2 Resistor touch screen terminal (Bottom)
J3 Pin Symbol LaunchPad Pin Description
1 5V0 VBUS
Power supply
2 GND GND
Ground
3 NC PD0
No connection
4 NC PD1
No connection
5 NC PD2
No connection
6 NC PD3
No connection
7 NC PE1
No connection
8 NC PE2
No connection
9 NC PE3
No connection
10 NC PF1
No connection
J4 Pin Symbol LaunchPad Pin Description
1 LCD_BL PF2 LCD backlight ON/OFF control.
2 NC PF3
No connection
3 LCD_D3 PB3 Data bit 3 for LCD
4 NC PC4
No connection
5 NC PC5
No connection
6 NC PC6
No connection
7 NC PC7
No connection
8 NC PD6
No connection
9 NC PD7
No connection
10 NC PF4
No connection
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Table 2. LCD Interface Signal (CN1 and CN2, 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
4-wire resistor touch screen terminal
7 YD
8 XL
9 YU
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
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
LCD interface select pin for K350QVG-V2-F, default set to i8080 16-bit parallel.
53 PS1
54 PS2
55 PS3
56, 57 NC No connection
58~60 GND Ground (0V)
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4 Schematics
Figure 3. Expansion board schematic
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5 LCD driver code examples
Bellow attachment is the source code for the K350QVG-V2-F (EB-LM4F12 0-L35).
NO. Document Attachment
1 Source code package
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