AT91SAM9G25-CU集成电路（IC）的微处理器规格书PDF中文资料

Description

Based on the ARM926EJ-S™ core, the Atmel® | SMART SAM9G25 is an embedded microprocessor unit, running at 400 MHz and featuring connectivity peripherals, a high data bandwidth architecture and a small footprint package option, making it an optimized solution for industrial applications.

Features

● 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 DDR2 Controller

● 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 Multibit Error Correcting Code (PMECC)

● System running at up to 133 MHz

● Power-on Reset Cells, Reset Controller, Shut Down 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 performance

● Two dual port 8-channel DMA Controllers

● Advanced Interrupt Controller and Debug Unit

● Two Programmable External Clock Signals

● Low Power Mode

● Shut Down Controller with four 32-bit Battery Backup Registers

● Clock Generator and Power Management Controller

● Very Slow Clock Operating Mode, Software Programmable Power Optimization Capabilities

● Peripherals

● ITU-R BT. 601/656 Image Sensor Interface

● USB Device High Speed, USB Host High Speed and USB Host Full Speed with dedicated On-Chip Transceiver

● One 10/100 Mbps Ethernet MAC Controller

● Two High Speed Memory Card Hosts

● Two Master/Slave Serial Peripheral Interface

● Two 3-channel 32-bit Timer/Counters

● One Synchronous Serial Controller

● One 4-channel 16-bit PWM Controller

● Three Two-wire Interfaces

● Four USARTs, two UARTs, one DBGU

● One 12-channel 10-bit Analog-to-Digital Converter

● Soft Modem

● Write Protected Registers

● I/O

● Four 32-bit Parallel Input/Output Controllers

● 105 Programmable I/O Lines Multiplexed with up to Three Peripheral I/Os

● Input Change Interrupt Capability on Each I/O Line, optional Schmitt trigger input

● Individually Programmable Open-drain, Pull-up and pull-down resistor, Synchronous Output

● Packages

● 217-ball BGA, pitch 0.8 mm

● 247-ball TFBGA, pitch 0.5 mm

● 247-ball VFBGA, pitch 0.5 mm