AOM-3821 Debian 12 user guide

產品特性(Features)

• Rockchip RK3588 Arm Quad Cortex-A76 2.4GHz and Quad Cortex-A55 1.8 GHz
• Onboard 4/8 GB LPDDR4 memory and 32/64 GB eMMC
• Supports 8K @ 60 fps H.265/VP9 video decoding and 8K @ 30 fps H.265/H.264 video encoding
• Supports HDMI, DP, eDP and LVDS/DSI
• 4 x PCIe 3.0, dual gigabit LAN, 2 x USB 3.0, USB2.0 OTG, SATA 3.0, 2 x CAN, 4 x MIPI-CSI, 3 x UART
• Supports Linux Debian11 and Android

產品官網鏈接（Product official website link）

AOM-3821 - 研华

接口布局和尺寸（Layout and Sizes）

AOM-3821 Board Dimension Layout

Mechanical Specifications

• Dimension：RTXe form factor size：（D X W）77 x 65 mm
• Height on Top：2mm
• Height on Bottonm：1.5mm

Electrocal Specifications

• Power Supply Voltage：DC-in 5V+-5%
• Power Supply Current：

Model	Maximum mode	Kernel idle	Sleep mode
AOM-3821	7.61W	1.40W	0.07W

Test Conditions:
1. Test loading:
- Maximum load mode: Running programs*
- Idle mode: DUT power management off and no running any program
2. OS: Debian12
*Programs software: Burnin.sh (full loading for CPU+NPU+GPU+VPU)

Environmental Specifications

• Operating Temperature：0~70 °C / -40 ~ 85 °C
• Operating Humidity: 40°C @ 95% relative humidity, non-condensing
• Storage Temperature: -40 ~ 85 °C 
• Storage Humidity: 95% @ 60 °C 

AOM-3821 on AOM-DB3500 Connector，Jumper，Switch Settings

Connector List
Lable	Function	Lable	Function
DC IN	4Pin Terminal Connector for DC IN（Input）	CN3	GPIO Pin Header
ROM-AB1	RTXe connector	HDMI RX	HDMI RX Connector（Input）
ROM-CD1	RTXe connector	CAN0_1	CAN Bus Connector
PWRBTN PH	Power Button Pin Header	HDM A TYPE	HDMI Connector
RSTBTN_PH	Reset Button Pin Header	TYPEC_DP	DP&USB2.0+USB 3.0 Typec Connector
DEBUG	Debug Port	SD	SD Card Connector
MIC1	MIC-IN Connector（Input）	MICRO USB	Micro USB Connector（USB2.0 only）
LOUT1	Headphones Connector（Output）	USB1/2	TypeA USB Connector（2xUSB2.0+USB3.0）
MIC2	MIC-IN Connector（Input）	SPI_CN2	SPI0 Pin Header
LOUT2	Headphones Connector（Output）	SPI_CN1	SPI1 Pin Header
PCIEA-X4	PCIe x4 Connector	GMAC0	GMAC0 Connector
EDP	EDP Connector	GMAC1	GMAC1 Connector
EDP BL	EDP Backlight Connector	ERP DEBUG	EPR MCU FW Update Connector
I2S0		RTC BAT
I2S1		CN1
SIM		M.2_B
CN2		M.2_E1

When using AOM-3821 with the carrier board AOM-DB3500, please follow the below jumper and switch settings.

Connector/Jumper/Switch	Function
CN3	Header for GPIO Test
J28/J26/J25/J27/J31/J37/J32	GPIO & ADC Selection
J15	EDP Power Selection Header
J16	EDP Inverter Power Selection Header
J12	EDP1 Detect Selection Header
J5/J6	SPI0&SPI1 Selection
J8	M2_E1 Power Selection Header
J10	M.2_B Power Selection Header
J9	UART switch M2_E1&M2_E2
J7/J35/J36	USB2.0 connect to Type A(USB1/2) or MICRO_USB
SW2/SW3	USB0_OTG&USB0_Host power en & oc Selection
SW1	Mode setting

快速入门（Quick Start）

系统下载（OS Download）

Note：LIV=Yocto Linux , UIV=Ubuntu，DIV=Debain，AIV=Android 

            LBV=BSP，LIV=Image

Product	Image Version	Release Date	Release Version	Release notes	Image Download	BSP Download Tag	SDK	Comment	Test Report
AOM-3821	DIV110067	2025/06/16	RTM	Release_Note	Baidu  Password：a887 Dropbox	RK3588_RISC_DIV110067.xml	Ask PM for Help		Test Report

• Alpha:  Basic I/O function bring up by RD;

• Beta:  Basic I/O function、performance and middleware verified by RD. Peripherals integrated;

• GA:  Beta version by QE verification;

• RTM:  Beta version by SI/Power/QE verification and pre-loaded;

Debian 烧录方法（Debian flash eMMC Method）

1、AOM-3821 on AOM-DB3500 Usering_RKTool.

2、AOM-3821 on AOM-DB3500 Usering bootup_sd_disk made_by SDDiskTool.

Linux 基本使用方式（Basic usage of Linux）

AOM-3821 （Develop Board AOM-DB3500）Support List Desocroption

DC_IN

DEBUG（DB9）

Button（RST、PWR）

AUDIO_MIC1/OUT1

AUDIO_MIC2/OUT2

Display

M.2_B Key——4G/5G

M.2_E1 Key——WIFI/BT

M.2_E1 Key——PCIE/SATA

SPI_CN1&SPI_SN2&CN2_I2C——I2C/SPI