User's Manual
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Keenon Robotics Manuals
Electronics
RK3288 Board
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Table Of Contents
1 Document information
1.1.
2 Hardware design block diagram
2.1 Functional block diagram
2.2 Power diagram
3 Power Consumption
4 Hardware capabilities
4.1 Introduction to the basic functions of the hardware
4.2 Power supply circuit
4.2.1 DCDC:12V to 5V
4.2.2 DCDC:12V to VCC_4G(3.4V)
4.2.3 PMU:VCC_SYS(5V) generates a variety of power supplies through the PMU chip
4.2.4 DC:5V to VDD_CPU
4.2.6 DCDC:5V to VDD_GPU
4.2.6 3.3V generates VCC_Flash(1.8V) through the LDO
4.3 Minimal system
4.4 USB circuit
4.4.1 USB_HUB Circuits
4.4.2 WIFI circuit
4.5 Storage circuits
4.5.1 DDR Circuits
4.5.2 Flash Circuits
4.6 LCD circuit
4.6.1 LVDS Circuits
4.6.2 LCD backlight circuit
4.6.3 Touch Circuits
4.6.4 EDP interface
4.7 Audio Circuits
4.8 Ethernet
4.9 232 Communication circuits
5 Connector datasheet
6 PCB production information
6.1 PCB
6.2 PCB Design Rules
6.2.1 Net Class
6.2.2 Clearance and Creepage
6.2.3 Additional PCB information
Pa
ge:18
5
Connector dat
asheet
Figure 28
Physical D
iagram
J4:LCD
touch int
erface
Model
HX20020-6A
Interf
ace Picture:
description
HX20020-6A
The network name
Level
cu
rrent
illustr
ate
Pin1
VCC_IO
3.3V
2.8A
Pin2
I2C4_SCL
Pin3
I2C4_SDA
Pin4
TOUCH_INT
Pin5
TOUCH_RST
Pin6
GND
0V
1
...
...
16
17
18
19
20
...
...
26
