深圳市中立信电子科技有限公司

AT91SAM9X25-CU

微处理器 - MPU BGA GRN IND TMP MRLA SMART ARM-based Embedded MPU

Description AT91SAM9X25-CU

The SAM9X25 is a member of the Atmel® | SMART series of 400 MHz ARM926EJ-S™ embedded microprocessor units. This MPU features multiple networking/connectivity peripherals, optimized for industrial applications such as building automation, gateways and medical.

Features AT91SAM9X25-CU

 Core

̶ ARM926EJ-S™ ARM® Thumb® Processor running at up to 400 MHz @ 1.0V +/- 10%

̶ 16 Kbytes Data Cache, 16 Kbytes Instruction Cache, Memory Management Unit

 Memories

̶ One 64-Kbyte internal ROM embedding bootstrap routine: Boot on NAND Flash, SDCard, DataFlash or serial

DataFlash. Programmable order.

̶ One 32-Kbyte internal SRAM, single-cycle access at system speed

̶ High Bandwidth Multi-port DDR SDR SDRAM Controller (DDRSDRC)

̶ 32-bit External Bus Interface supporting 4-bank and 8-bank DDR2/LPDDR, SDR/LPSDR, Static Memories

̶ MLC/SLC 8-bit NAND Controller, with up to 24-bit Programmable Multi-bit Error Correcting Code (PMECC)

 System running at up to 133 MHz AT91SAM9X25-CU

̶ Power-on Reset Cells, Reset Controller, Shutdown Controller, Periodic Interval Timer, Watchdog Timer and Real Time Clock

̶ Boot Mode Select Option, Remap Command

̶ Internal Low Power 32 kHz RC and Fast 12 MHz RC Oscillators

̶ Selectable 32768 Hz Low-power Oscillator and 12 MHz Oscillator

̶ One PLL for the system and one PLL at 480 MHz optimized for USB High Speed

̶ Twelve 32-bit-layer AHB Bus Matrix for large Bandwidth transfers

̶ Dual Peripheral Bridge with dedicated programmable clock for best performances

̶ Two dual port 8-channel DMA Controllers (DMAC)

̶ Advanced Interrupt Controller (AIC) and Debug Unit (DBGU)

̶ Two Programmable External Clock Signals