|
AT91SAM9G20_14 Datasheet, PDF (1/832 Pages) ATMEL Corporation – Incorporates the ARM926EJ-S ARM Thumb Processor | |||
|
Features
⢠Incorporates the ARM926EJ-S⢠ARM® Thumb® Processor
â DSP Instruction Extensions, ARM Jazelle® Technology for Java® Acceleration
â 32-KByte Data Cache, 32-KByte Instruction Cache, Write Buffer
â CPU Frequency 400 MHz
â Memory Management Unit
â EmbeddedICEâ¢, Debug Communication Channel Support
⢠Additional Embedded Memories
â One 64-KByte Internal ROM, Single-cycle Access at Maximum Matrix Speed
â Two 16-KByte Internal SRAM, Single-cycle Access at Maximum Matrix Speed
⢠External Bus Interface (EBI)
â Supports SDRAM, Static Memory, ECC-enabled SLC NAND Flash and
CompactFlash®
⢠USB 2.0 Full Speed (12 Mbits per second) Device Port
â On-chip Transceiver, 2,432-byte Configurable Integrated DPRAM
⢠USB 2.0 Full Speed (12 Mbits per second) Host and Dual Port
â Single or Dual On-chip Transceivers
â Integrated FIFOs and Dedicated DMA Channels
⢠Ethernet MAC 10/100 Base T
â Media Independent Interface or Reduced Media Independent Interface
â 128-byte FIFOs and Dedicated DMA Channels for Receive and Transmit
⢠Image Sensor Interface
â ITU-R BT. 601/656 External Interface, Programmable Frame Capture Rate
â 12-bit Data Interface for Support of High Sensibility Sensors
â SAV and EAV Synchronization, Preview Path with Scaler, YCbCr Format
⢠Bus Matrix
â Six 32-bit-layer Matrix
â Boot Mode Select Option, Remap Command
⢠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
⢠Reset Controller (RSTC)
â Based on a Power-on Reset Cell, Reset Source Identification and Reset Output
Control
⢠Clock Generator (CKGR)
â Selectable 32,768 Hz Low-power Oscillator or Internal Low Power RC Oscillator on
Battery Backup Power Supply, Providing a Permanent Slow Clock
â 3 to 20 MHz On-chip Oscillator, One up to 800 MHz PLL and One up to 100 MHz PLL
⢠Power Management Controller (PMC)
â Very Slow Clock Operating Mode, Software Programmable Power Optimization
Capabilities
â Two Programmable External Clock Signals
⢠Advanced Interrupt Controller (AIC)
â Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
â Three External Interrupt Sources and One Fast Interrupt Source, Spurious
Interrupt Protected
⢠Debug Unit (DBGU)
â 2-wire UART and Support for Debug Communication Channel, Programmable ICE
Access Prevention
AT91 ARM
Thumb
Microcontrollers
AT91SAM9G20
6384EâATARMâ05-Feb-10
|
▷ |