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4.
Overview
resolution ........................................................................................................... 320 x 480
LCD type ..................................................................................................................... TFT
LCD interface ................................................................................................................ SPI
touch screen type ................................................................................................... resistive
backlight ...................................................................................................................... LED
aspect ratio ................................................................................................................... 8.5
5.
Pin Layout
pin no.
1, 17
2, 4
3, 5, 7, 8, 10, 12, 13,
15, 16
6, 9, 14, 20, 25
11
18
19
21
22
23
24
26
6.
Example
Required Hardware
•
1 x Raspberry Pi
®
1/2/3 main board
•
1 x microSD card (> 8 GB, image file ± 7.5 GB)
•
1 x microSD card reader
•
1 x micro USB cable
•
1 x USB keyboard
•
3.5" LCD module (VMP400)
Required Software
•
SD formatter
•
Win32Disklmager
•
Raspberry Pi
®
OS IMAGE
•
LCD Driver
V. 03 – 14/01/2020
MAKEVMP400
symbol
3.3 V
5 V
NC
GND
TP_IRQ
LCD_RS
LCD_SI/TP_SI
TP_SO
RST
LCD_SCK/TP_SCK
LCD_CS
TP_CS
3
description
power positive (3.3 V power input)
power positive (5 V power input)
NC
ground
touch panel interrupt, low level while the panel
detects touching
instruction/data register selection
SPI data input of LCD/touch panel
SPI data output of touch panel
reset
SPI clock of LCD/touch panel
LCD chip selection, low active
touch panel chip selection, low active
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