Atmel AT91SAM7X-EK Bedienungsanleitung PDF herunterladen (Seite 11)

AT91SAM7X-EK Evaluation Board User Guide 3-1

6195E–ATARM–22-Mar-07

Section 3

Board Description

3.1 AT91SAM7X

Microcontroller

! Incorporates the ARM7TDMI

ARM

Thumb

Processor

– High-performance 32-bit RISC Architecture

– High-density 16-bit Instruction Set

– Leader in MIPS/Watt

– EmbeddedICE

™

, Debug Communication Channel Support

! Internal High-speed Flash

– 256 Kbytes (AT91SAM7X256) Organized in 1024 Pages of 256 Bytes

– 128 Kbytes (AT91SAM7X128) Organized in 512 Pages of 256 Bytes

– 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

– 64 Kbytes (AT91SAM7X256)

– 32 Kbytes (AT91SAM7X128)

! Memory Controller (MC)

– Embedded Flash Controller, Abort Status and Misalignment Detection

! Reset Controller (RSTC)

– Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout

Detector

– Provides External Reset Signal Shaping and Reset Source Status

! Clock Generator (CKGR)

– Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL

! Power Management Controller (PMC)

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 32 33

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Chrisdic 25 Apr 2024 | 20:30:38

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Atmel AT91SAM7X-EK Bedienungsanleitung Seite 11