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AT91SAM7X512_07 Datasheet, PDF (1/45 Pages) ATMEL Corporation – Incorporates the ARM7TDMI ARM Thumb Processor | |||
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Features
⢠Incorporates the ARM7TDMI® ARM® Thumb® Processor
â High-performance 32-bit RISC Architecture
â High-density 16-bit Instruction Set
⢠Leader in MIPS/Watt
â EmbeddedICE⢠In-circuit Emulation, Debug Communication Channel Support
⢠Internal High-speed Flash
â 512 Kbytes (AT91SAM7X512) Organized in Two Banks of 1024 Pages of
256 Bytes (Dual Plane)
â 256 Kbytes (AT91SAM7X256) Organized in 1024 Pages of 256 Bytes (Single Plane)
â 128 Kbytes (AT91SAM7X128) Organized in 512 Pages of 256 Bytes (Single Plane)
⢠Single Cycle Access at Up to 30 MHz in Worst Case Conditions
⢠Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
⢠Page Programming Time: 6 ms, Including Page Auto-erase,
Full Erase Time: 15 ms
⢠10,000 Write Cycles, 10-year Data Retention Capability,
Sector Lock Capabilities, Flash Security Bit
⢠Fast Flash Programming Interface for High Volume Production
⢠Internal High-speed SRAM, Single-cycle Access at Maximum Speed
â 128 Kbytes (AT91SAM7X512)
â 64 Kbytes (AT91SAM7X256)
â 32 Kbytes (AT91SAM7X128)
⢠Memory Controller (MC)
â Embedded Flash Controller, Abort Status and Misalignment Detection
⢠Reset Controller (RSTC)
â Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout
Detector
â Provides External Reset Signal Shaping and Reset Source Status
⢠Clock Generator (CKGR)
â Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL
⢠Power Management Controller (PMC)
â Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz) and
Idle Mode
â Four Programmable External Clock Signals
⢠Advanced Interrupt Controller (AIC)
â Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
â Two External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt
Protected
⢠Debug Unit (DBGU)
â 2-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
⢠Periodic Interval Timer (PIT)
â 20-bit Programmable Counter plus 12-bit Interval Counter
⢠Windowed Watchdog (WDT)
â 12-bit key-protected Programmable Counter
â Provides Reset or Interrupt Signals to the System
â Counter May Be Stopped While the Processor is in Debug State or in Idle Mode
Product
Description
AT91SAM7X512
AT91SAM7X256
AT91SAM7X128
Preliminary
Summary
NOTE: This is a summary document.
The complete document is available on
the Atmel website at www.atmel.com.
6120ESâATARMâ08-Oct-07
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