FET3506J-S System on Module
CPU: Rockchip RK3506J
Architecture: 3x [email protected]+1x Cortex-M0
Frequency: 1.5GHz
RAM: 256MB DDR3,512MB DDR3
ROM: 256MB NandFlash,8GB eMMC
System: Linux 6.1
FET3506J-S System on Module Based on Rockchip RK3506J Processor
FET3506J-S System on Module(SoM)/Computer on Module is developed based on the Rockchip RK3506J processor. It has undergone extensive reliability testing to ensure reliable operation in industrial environments. RK3506J is a high-performance triple-core Cortex-A7 application processor, designed with excellent power consumption control and thermal management capabilities, tailored for smart industrial applications. It offers a rich set of peripheral interfaces, such as RMII, UART, CAN, and Display, to support development in various application scenarios. 10 to 15-year longevity provides long-term and stable supply assurance for your products.
Rockchip RK3506J SoM Features:
- Edge connector, all pins are led out
- 22nm advanced process
- Display interfaces: MIPI DSI, RGB
- Rich industrial bus interfaces: RMII, CAN-FD, FLEXBUS, DSMC etc
- DSMC can be used to extend PSRAM, FPGA communication
- RM_IO enables matrix configuration for pin functions
Low Power, Low Heat
FET3506J-S SoM only consumes 0.7W under full-load operation! No heat dissipation needed;
it can pass the +85°C high-temperature test under full-load.
High-Speed Parallel Bus Interface DSMC
Low-cost, easy-to-develop FPGA-to-ARM high-speed communication bus supporting master/slave modes.
Configurable Parallel Data Interface FlexBUS
It can be used to connect ADC, DAC chips, DVP camera s, and QSPI LCD displays.
Matrix IO Design, Flexible Pin Function Configuration
RK3506 uses matrix IO design, allowing multiple functional signals to share a limited number of pin interfaces.
Any functional signal can be mapped to any pin interface through software configuration. Supports mapping 98 functional signals to 32 pin interfaces.
Storage Health Diagnosis, Extending Lifespan
Forlinx Embedded provides users with in-depth storage driver optimization and eMMC health diagnostic tools,
maximizing the storage lifespan and reliability, reducing faults caused by the depletion of storage life.
Rich Software Support
With comprehensive support for software ecosystems such as Linux 6.1, LVGL 9.2, AMP architecture, and Linux RT,
the RK3506 chip demonstrates powerful software compatibility and flexible system architecture,
capable of fully meeting the diverse application needs from display to control, widely applicable in many complex scenarios.
Wide Application Scenarios
FET3506J-S SoM is widely used in industrial automation, consumer electronics, smart healthcare, power, new energy, and communications.
With Forlinx Embedded's competitive pricing and strong after-sales support, it helps your product quickly reach the market and lead the industry.
▊ Hardware Features
FET3506J-S System on Module Basic Features |
||
---|---|---|
CPU |
Rockchip RK3506J |
|
ARM |
3×Cortex-A7,up to 1.5GHz 1×Cortex-M0 |
|
GPU |
2D GPU |
|
RAM |
256MB/512MB DDR3 |
|
ROM |
256MB Nand Flash/8GB eMMC |
|
Operating Temperature |
-40℃ ~+85℃ |
|
Working Voltage |
DC 5V |
|
Connection |
Stamp hole (146 pins in total, pin center spacing 1mm) |
|
Dimensions |
44mm×35mm |
|
OS |
Linux6.1 |
|
Flashing Method |
USB OTG |
FET3506J-S System on Module Functional Parameters |
||||
---|---|---|---|---|
Function |
QTY |
Spec. |
||
MIPI DSI |
≤1 |
Supports 1 x 2-lane MIPI Display Serial Interface with a speed of 1.5 Gbps per lane. |
Built-in VOP controller, supporting only 1 x display output at a time. |
|
RGB |
≤1 |
Supports RGB888 24-bit, with resolution up to 1280x1280@60Hz. |
RGB, FLEXBUS, and DSMC interfaces are multiplexed, allowing only one function to be selected at a time. |
|
FLEXBUS |
≤1 |
Supports 1 x flexible parallel FLEXBUS interface, enabling high-speed IO switching. |
||
DSMC |
≤1 |
Supports the DSMC data bus for PSRAM and FPGA communication. FPGA can be expanded through the DSMC interface, with master mode supporting ×8 and ×16 data bits, and slave mode supporting ×8 data bits. |
||
USB 2.0 |
2 |
Supports 2 x high-speed USB 2.0 ports, with 1 x USB supporting OTG. |
||
SDMMC |
≤1 |
Supports 1x SDIO, 4 bits; the eMMC version SoM does not have this interface. |
||
Ethernet |
2 |
2 × RMII, 10/100-Mbps, supporting both full-duplex and half-duplex operations |
||
CAN-FD |
2 |
Supports CAN2.0 and CAN-FD |
||
SPI |
3 |
SPI0/SPI1 support both serial master and slave modes, configurable by software; SPI2 supports serial slave mode only. |
||
UART |
≤6 |
Supports 6 x serial communication interfaces, with UART0 serving as the debug serial port. |
||
I2C |
3 |
Supports both 7-bit and 10-bit address modes, as well as master and slave modes, with a maximum speed of up to 1Mbit/s. |
||
Audio |
/ |
4 × SAI(TX 1Lane/RX 1Lane ×2, TX 4Lane/RX 1Lane × 1, TX 1Lane/RX 4Lane × 1) |
||
FSPI |
≤1 |
Supports 1 x FSPI interface. By default, the SoM is connected to the SPI NAND FLASH, which supports system startup. |
||
SARADC |
≤4 |
10-bit resolution, with a speed up to 1MS/s, and an input voltage range of 0~1.8V. |
||
PWM |
≤11 |
Supports 12 x PWM interfaces, with 1 x already occupied by the SoM, leaving 11 available for user use. |
||
JTAG |
≤1 |
Supports JTAG SWD interface debugging, multiplexed with the debug serial port UART0 pins. |
||
TOUCH KEY |
≤8 |
Supports 8 x TOUCH KEY |
||
GPIO |
≤76 |
GPI≤70, GPO≤76,among them, the six pins MIPI_DPHY_DSI_TX_D0N/D0P/D1N/D1P/CLKN/CLKP can only be used as General Purpose Outputs (GPO). |
Note: The parameters in the table are hardware design or theoretical CPU values.
▊ Carrier Board

OK3506J-S Development Board
To minimize your development workload, we offer starter kits that can be used as complete development platforms for evaluation and application development.
OK3506J-S Single Board Computer by Forlinx, paired with the Rockchip RK3506J series SoM possessing 3×Cortex-A7 cores running at 1.5GHz and a Cortex-M0 core, supports the Linux 6.1 system.This development board, equipped with diverse functional interfaces, enables users to assess the product's performance, stability and user-friendliness more conveniently, thus accelerating the verification and development process.
▊ Downloads
Catalog:
Forlinx Catalog Manual
Product Brief:
FET3506J-S SoM and OK3506J-S SBC Introduction
▊ Accessories
Please click here to get more information about the supported modules and accessories.
▊ Technical Support
1. Files to be provided after buying
Hardware related: datasheet, user guide, carrier board schematic, carrier board PCB, SoM pinmux;
Firmware related: OS image, testing demo, source code, manual;
Compiling environment
2. Fast response after-sale technical support service
Contact Us
Welcome to get in touch with us, our experts will reply to your email within 24 hours.
▊ How To Buy
1. Order Online
We have an online store on Alibaba, please contact us for details.
2. Order Offline
Please send your inquiry to [email protected];
3. Payment Terms
100% T/T in advance.
▊ Shipment
1. Delivery: Goods will be shipped by express upon the receipt of the payment;
2. Lead time: Goods will be shipped out within five working days for sample orders and 6 weeks for bulk orders;
3. Shipping charge: Buyers should bear the shipping cost.
▊ Other Forlinx Recommendations
Architecture: 2×Cortex-A7+RISC-V+DSP
Frequency: 1.2GHz
RAM: 512/256MB DDR3L
ROM: 256MB NandFlash,8GB eMMC
System: Linux
Architecture: 3x [email protected]+1x Cortex-M0
Frequency: 1.5GHz
RAM: 256MB DDR3,512MB DDR3
ROM: 256MB NandFlash,8GB eMMC
System: Linux
