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Low Price Industrial Grade Linux Single Board Computer OK335xS-II Windows CE Development Board
OK335xS-II is an excellent single board computer based on Cortex-A8 featuring MCU AM335x with low power cost efficient and excellent product performance item which is available for both embedded Linux and Windows CE6.0 system. All components on this single board computer are industrial grade components. It is with 600MHz frequency, 128M DDR3 RAM and 256M NAND Flash. As TI Sitara official aurthorized IDH in China, Forlinx launched this compact sized single board computer with an ultra low price and full technical support. It's very popular among users in HMI, medical, smart home, robotic, IoT gateway solution, etc. What's more both the single board computer and system on module (SoM) were approved by CE&FCC, all components and solder paste are comply with RoHS. Now let's have a look at more details about this item.

FET335xS-II SoM Hardware Features
FET335xS-II Industrial CPU System on Module | |||
CPU | AM3354 | I2C | 3-ch |
Architecture | A8 | SPI | 2-ch |
Main Frequency | 600MHz | CAN | 2-ch |
RAM | 128M DDR3 | USB HOST | 1-ch USB HOST 2.0 |
FLASH | 256M SLC Nandflash | USB DEVICE | 1-ch USB DEVICE 2.0 |
Temp range | -40℃-+85℃ | SD/MMC/SDIO | 3-ch MMC |
Humidity | 10%~90% | Ethernet | 2-ch Gb Ethernet port |
Input Voltage | 5V | UART/IrDA | 6-ch |
2D/3D | Support 2D/3D graphics acceleration | EINT/GPIO | Support |
GPU | Power VRSGX530 | ADC | 7-ch |
PMU | TPS650250 | Video Codec | Software codec |
Size | 52mm*42mm*2.6mm | JTAG | 1-ch |
Connection method | Stamp hole | EEPROM | Support (Only for Encryption) |
OS | Linux3.2 WinCE6.0 | PWM | 3-ch (1-ch for self definition,1-ch for backlight, 1-ch for buzzer) |
LCD | RGB16bit | SATA | Support to connect with usb to SATA module |
Audio | IIS interface |
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OK335xS-II Single Board Computer Hardware Features
OK335xS-II Industrial Single Board Computer | |||
I2C | 1-ch | RTC | Support |
SPI | 1-ch | User key | 3 |
CAN | 2-ch (CAN transceiver is not on the board, only can bus here) | Boot switch | Set to boot from Nandflash or SD card |
RS485 | 1-ch | Reset | 1 |
SD/MMC/SDIO | 1-ch SD card | PWM | 3-ch |
USB HOST | 4-ch, support USB 2.0 protocol | LED | 2-ch |
USB DEVICE | 1-ch, support USB 2.0 protocol | GPIO | Many, multiplexed with other pins |
Ethernet | 1-ch 100M Ethernet port | LVDS | Support |
Serial | 4-ch (1-ch is for debugging,3-ch LVCOMS) | SATA | Support to connect with USB to SATA module |
Input voltage | 5V | GPS | Support to connect with external GPS module |
LCD | 1-ch, support resistive, capacitive touch screen; support LCD to VGA module | 3G | Support to connect with external AD3812 module(USB) |
ADC | 7-ch, (2-ch is for self definition, 1-ch is for slide rheostat,4-ch is for resistive touch) |
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Carrier board pin diagram

OK335xS-II carrier board silk printed
FET335xS-II SoM silk print

OK335xS-II Development Board Software Features
Single Board Computer OK335xS-II with Linux3.2 OS | ||
U-boot version | u-boot-2011.09 | |
Kernel version | Linux-3.2.0 | |
Drivers | Ethernet driver | LCD FrameBuffer |
LED driver | Resistive touch screen driver | |
LCD driver | RTC driver | |
USB driver | Serial driver | |
PWM driver(Backlight and buzzer) | User key driver | |
Flash ECC | Watchdog driver | |
Nand Flash driver | IIC driver | |
UBI file system | AD driver | |
TF card driver |
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Single Board Computer OK335xS-II with Windows CE6.0 OS | ||
BootLoader | EBOOT SD card flashing | |
Flashing method | SD card flashing | |
CE version | PB6.0 | |
Drivers | LED | User key |
GPIO | RTC | |
I2C | NANDFlash | |
SPI | Display | |
Serial | Ethernet | |
Touch screen driver,resistive touch | USB (OTG/USB/HOST) | |
SD card | Backlight | |
DMA | AD | |
Audio | PWM | |
Watchdog |
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Application
inudstrial control, intelligent traffic, portable device, medical, electronics, power system, environment monitoring, car electronics, IoT gateway, smart home, EV charging pile, security, etc.
Packing & Shipping
A complete OK335xS-II development board contains below accessories
1. a power adapter DC 5V 2A
2. a serial port cable
3. a mini USB cable

generally, the single board computer OK335xS-II could be packed as one pc a box or multiple pcs packed in a carton.The packing is depended on board quantity.
the parcel(s) could be sent out by express as requested within five working days after receipt of full payment.
Our Superiority
1. TI authurized IDH indentity
2. we are an original manfactuer with our own powerful R&D and technical support team
3. ready-to-use technical files for users' development(schematic, source code, user manual, etc. ) and after-sale technical service
4. long product life time guarantee
5. best product quality, the items approved by CE&FCC
About Us
Founded in 2007 and located in Baoding City (nearby Beijing), Forlinx Embedded Tech. Co., Ltd. is one of the best and leading manufacturer of embedded system ARM single board computer/system on module (SoM) in China. As a member of CSIA (China Software Industry Association) Embedded System Branch,dedicated to providing customers with best embedded ARM development board/single board computer, CPU module/SoM, expand modules and solutions, its main products are single board computer, CPU module, TFT LCD module and other added-on modules sold to all over the world.
With an excellent R&D group and close relationships with chipset suppliers such as Samsung, TI, Freescale/NXP, etc., Forlinx has placed TI AM335x Cortex-A8 featuring industrial grade single board computer and NXP/Freescale i.MX6 Cortex-A9/A7 featuring series development platforms,ARM9 and ARM11 series products to market to be widely used by thousands of enterprises from all walks of life (smart home, communication, new energy, medical. transportation, navigation, environment inspection, etc.) for product developments.
Years of innovation and development and also supporting from customers, Forlinx has become a mainstream brand in embedded industry in China.

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