Atmel SAMA5D3 EK Series - Optional Display Module (DM) Board; DM Board Overview

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SAMA5D3x-EK User Guide [USER GUIDE]
11180B–ATARM–29-Oct-13
6. Optional Display Module (DM) Board
6.1 DM Board Overview
The DM board integrates a 5.0” TFT LCD module with touchscreen, as well as four QTouch pads.
Figure 6-1. DM Board
6.1.1 Equipment List
The DM board components are:
 One 5.0” TFT LCD module
 LCD back light driver
 3.3V regulator
 QTouch device
 1-wire device
6.1.2 Function Blocks
6.1.2.1 3.3V Regulator
The 5-0_WVGA_R_AEA-DM Board features its own LDO for local power regulation. It accepts DC 5V power from 500
mA high-side power switch on EK and outputs a regulated +3.3V to most other circuits on the board.
Figure 6-2. DM Power Supply
500mA capability
SELCONFIG
5V_INTER
3V3_LCD
C13
100n
C12
10u
C11
100n
C15
2.2u
C10
10u
MN3
SPX3819
VIN
1
GND
2
EN
3
BYP
4
VOUT
5