技术特性

• ARM926EJ-S 333 MHz core
• High-performance 8-channel DMA
• Dynamic power-saving features
• Configurable peripheral functions multiplexed on 102 shared I/Os
• Memory:
  • 32 KB ROM and 8 KB internal SRAM
  • LPDDR-333/DDR2-666 external memory interface
  • Serial Flash Memory interface (SMI)
  • Flexible static memory controller (FSMC) up to 16-bit data bus width, supporting NAND Flash
  • External memory interface (EMI) up to 32- bit data bus width, supporting NOR Flash and FPGAs
• Connectivity
  • 2 x USB 2.0 Host
  • USB 2.0 Device
  • 1 x fast Ethernet MII port
  • 4 x fast Ethernet SMII ports
  • 1 x SSP Synchronous serial peripheral (SPI, Microwire or TI protocol) with 4 chip selects
  • 1 x I²C
  • 1 x fast IrDA interface
  • 6 x UART interface
  • 1x TDM/E1 HDLC interface with 128/32 timeslots per frame respectively
  • 2x RS485 HDLC ports
• Security
  • C3 Cryptographic accelerator
• Miscellaneous functions
  • Integrated real time clock, watchdog, and system controller
  • 8-channel 10-bit ADC, 1 Msps
  • JPEG CODEC accelerator
  • Six 16-bit general purpose timers with programmable prescaler, 4 capture inputs
  • Up to 102 GPIOs with interrupt capability

功能框图