System block diagram:

Processor/Memory:

• AM335x (AM3358,324 contacts BGA)
• DDR3 4Gb /32 Meg x 16 x 8 banks
• eMMC 4GB 8-bit data
• 4KB EEPROM

I/O Interfaces:

• MMC data bus×1
• SPI×1
• I2C×1
• UART×4 (including a debug interface)
• USB×2
• MCASP audio port×1
• LCD port×1
• ADC port×8 (port 0~3 for resistive touchscreen)
• GPMC×1
• User-defined LED×2
• 1000M Ethernet PHY ×1
• Battery management×1
• Supports 24MHz crystal oscillator and 32.768 kHz clock frequency
• SOM90 connector×2
• RoHS compliant

Electrical Features:

• Operating temperature：0~70°C（commercial）、-40~85°C（Industrial ）
• Input voltage：5V
• Operating humidity：20% ~ 90%（no condensation）
• Main board size：70 mm×50 mm
• PCB specifications：8 layer design