技术特性

• ARM1176 533 MHz host processor
  • Cache: 32 KB instruction, 32 KB data
  • Vector floating point unit
• High performance embedded GPS subsystem
  • Parallel acquisition engines for 8 GPS satellites or 4 Galileo satellites
  • 32 tracking channels for all satellites in view
  • 5 correlators per channel for urban canyon robustness
  • Multibit signal processing hardware
• Advanced power management
  • Separated power islands for ultra low power mode
  • Dynamic core frequency scaling
  • 512-Byte embedded SRAM for back-up
• System infrastructure
  • LP DDR/DDR2 controller: 16 bit data 256 MB addressable (333 MHz DDR2, 200 MHz LPDDR)
  • One bank of 32 KB embedded SRAM
  • 64-channel vector interrupt controller (VIC)
  • 2 DMA controllers, 16 physical channels
  • 32 DMA request for each controller
  • Two external DMA requests are supported
• Display and graphics
  • Color LCD controller for STN,TFT or HRTFT panels with 18-bit parallel RGB interface
  • Integrated touch screen controller and ADC
  • 3D advanced graphics acceleration
  • JPEG baseline profile decoder
• High throughput interfaces
  • 1 ports USB 2.0 OTG with integrated physical layer
  • 2 SD/MMC up to 8 bit data, all bootable
• Audio interfaces and features
  • Three multichannel serial ports (I2S/TDM)
  • SPDIF input interface
  • C3 hardware reed-solomon decoder
  • Sample rate converter
• Standard interfaces
  • Four 16-bit input capture/output compare
  • Pulse width light modulator (PWL)
  • Four autobaud UART
  • Three I²C multimaster/slave interfaces
  • Two synchronous serial port (SSP, SPI)
  • 65 GPIO over 5 ports
• One controller area network (CAN) in automotive version
• Programmable voltage IOs: 1.8 V, 2.5 V, 3.3 V
• VDDIO_ON: 1.8 ±10%V, VDD_ON: VDD, 1.25 ±3%V
• TFBGA 289, 0.8 mm pitch package, packing in tray
• Ambient temperature range: -40 / +85 °C

功能框图