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AT91SAM9R64_09 Datasheet, PDF (1/52 Pages) ATMEL Corporation – AT91 ARM Thumb Microcontrollers | |||
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Features
⢠Incorporates the ARM926EJ-S⢠ARM® Thumb® Processor
â DSP Instruction Extensions
â ARM Jazelle® Technology for Java® Acceleration
â 4 Kbyte Data Cache, 4 Kbyte Instruction Cache, Write Buffer
â 265 MIPS at 240 MHz
â Memory Management Unit
â EmbeddedICE⢠In-circuit Emulation, Debug Communication Channel Support
⢠Multi-layer AHB Bus Matrix for Large Bandwidth Transfers
â Six 32-bit-layer Matrix
â Boot Mode Select Option, Remap Command
⢠One 32-KByte internal ROM, Single-cycle Access at Maximum Speed
⢠One 64-KByte internal SRAM, Single-cycle Access at Maximum Speed
â 4 Blocks of 16 Kbytes Configurable in TCM or General-purpose SRAM on the AHB
Bus Matrix
â Single-cycle Accessible on AHB Bus at Bus Speed
â Single-cycle Accessible on TCM Interface at Processor Speed
⢠2-channel DMA
â Memory to Memory Transfer
â 16 Bytes FIFO
â LInked List
⢠External Bus Interface (EBI)
â EBI Supports SDRAM, Static Memory, ECC-enabled NAND Flash and
CompactFlash®
⢠LCD Controller (for AT91SAM9RL64 only)
â Supports Passive or Active Displays
â Up to 24 Bits per Pixel in TFT Mode, Up to 16 bits per Pixel in STN Color Mode
â Up to 16M Colors in TFT Mode, Resolution Up to 2048x2048, Virtual Screen
Support
⢠High Speed (480 Mbit/s) USB 2.0 Device Controller
â On-Chip High Speed Transceiver, UTMI+ Physical Interface
â Integrated FIFOs and Dedicated DMA
â 4 Kbyte Configurable Integrated DPRAM
⢠Fully-featured System Controller, including
â Reset Controller, Shutdown Controller
â Four 32-bit Battery Backup Registers for a Total of 16 Bytes
â Clock Generator and Power Management Controller
â Advanced Interrupt Controller and Debug Unit
â Periodic Interval Timer, Watchdog Timer and Real-time Timer and Real-time Clock
⢠Reset Controller (RSTC)
â Based on Two Power-on Reset Cells
â Reset Source Identification and Reset Output Control
⢠Shutdown Controller (SHDC)
â Programmable Shutdown Pin Control and Wake-up Circuitry
⢠Clock Generator (CKGR)
â Selectable 32768 Hz Low-power Oscillator or Internal Low-power RC Oscillator on
Battery Backup Power Supply, Providing a Permanent Slow Clock
â 12 MHz On-chip Oscillator for Main System Clock and USB Clock
â One PLL up to 240 MHz
AT91 ARM
Thumb
Microcontrollers
AT91SAM9R64
AT91SAM9RL64
Preliminary
Summary
6289CSâATARMâ28-May-09
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