OLIMEX RK3328-SOM-EVB User manual

RK3328-SOM-EVB
User Manual
Rev.1.0 May 2021
olimex.com
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Table of Contents
Overview.....................................................................................................................................................3
General information................................................................................................................................4
Order codes.............................................................................................................................................5
RK3328-SOM-E B Features.................................................................................................................6
Software.......................................................................................................................................................7
Power supply...............................................................................................................................................8
Hardware components.................................................................................................................................9
SOC.........................................................................................................................................................9
Memory...................................................................................................................................................9
PMU........................................................................................................................................................9
USB.........................................................................................................................................................9
Display....................................................................................................................................................9
Audio......................................................................................................................................................9
Connectors.................................................................................................................................................10
EXT1.....................................................................................................................................................10
UEXT....................................................................................................................................................11
Open Source Hardware design..................................................................................................................12
Revision History........................................................................................................................................13
Contact information...................................................................................................................................14
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Overview
RK3328-SOM-E B is Evaluation board for RK3328-SOM System On Module with Quad core Cortex-
A53 64 bit ARM SOC.
The RK3328-SOM-E B allow all features of the SOM to be explored.
Top view:
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RK3328-SOM-E B Rev 1.0 www.olimex.com

General information
RK3328 SOC is Quad core Cortex-A53 running up to 1.5 Ghz, USB 3.0, 2x USB 2.0, I2S, UART, SPI,
I2C, Audio Codec, DDR3L memory, HDMI.
The system on modules are produced in commercial 0-70C temperature.
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Order codes
RK3328-SOM-E B commercial grade 0-70C. Note that this board do not include SOM
module, so you have to purchase separately RK3328-SOM-1G or
RK3328-SOM-2G
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RK3328-SOM-E B Rev 1.0 www.olimex.com

RK3328-SOM-EV Features
•Connectors for RK3328-SOM
•USB-Host
•USB-OTG
•USB 3.0
•Megabit Ethernet
•Gigabit Ethernet
•Flash module connector
•HDMI
•micro SD card
•Debug UART
•UEXT connector
•EXT1 connector
•Power supply jack +5 DC
•Reset and Power buttons
•Power LED
•Operating temperature 0-70C
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Software
Rockchip provides Android 7.1 and Android 8.1 SDK with sources, Debian and Ubuntu Linux
distributions with all hardware accelerators working. The Linux is not mainline.
Pre-built images are hosted at:
http://images.olimex.com/release/ rk3328 /
We recommend the images to be written to SD card with minimum 16GB Class10 speed like:
https://www.olimex.com/Products/Components/Storage/MICRO-SD-CLASS10/
To write the images we recommend balenaEtcher:
https://www.balena.io/etcher/
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Power supply
RK3328-SOM-E B requires +5 , 1A to operate.
Do not apply more than 5 as this would damage the RK3328-SOM-E B and RK3328-SOM.
Power consumption is:
•around 0.4A during boot and idle
•around 0.6A when working at full speed
•around 0.8A at stress
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Hardware components
SOC
RK3328 is Quad core Cortex-A53 ARM running @1.5Ghz
Memory
RK3328-SOM can have 1GB or 2GB DDR3L memory, powered with 1.35 , with 16 bit data bus width
and running at 1066Mhz (533Mhz clock).
PMU
RK3328-SOM have Power Management Unit based on RK805. It allow the power voltage to SOC core,
peripherals, DDR3L memory and etc to be programmable via I2C. Special driver in Linux take care for
the different power modes.
US
One USB 3.0 and two High Speed USB 2.0 Host and OTG
Display
HDMI output 1080p Full HD resolution.
Audio
Build in Stereo Audio codec.
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Connectors
EXT1
EXT1 is 26 pin 0.1 inch (2.54 mm) step connector with 2x ADC, DAC, Audio Codec, UART1, SPDIF,
IR Rx, PWM2, 11x GPIOs:
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RK3328-SOM-E B Rev 1.0 www.olimex.com

UEXT
UEXT is universal connector where different modules can be connected: interfaces, adaptors, sensors,
relays, RFID, RTC etc. You can see all them on Olimex web page:
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RK3328-SOM-E B Rev 1.0 www.olimex.com

Open Source Hardware design
RK3328-SOM-E B is open source hardware, this means that all CAD sources are available to be learn,
study, modify, distribute, make, and sell the design or hardware based on that design.
The board is designed using KiCad.
KiCad is open source software and completely free to download and use.
All files are available on GitHub.
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Revision History
Revision 1.0 May 2021
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RK3328-SOM-E B Rev 1.0 www.olimex.com

Contact information
Headquarters and Factory address:
OLIMEX Ltd
ul. Pravda 2
Plovdiv 4000
BULGARIA
Sales: [email protected]
Technical Support: [email protected]
Corporate Website: www.olimex.com
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