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AT91SAM7X256 Datasheet(PDF) 15 Page - ATMEL Corporation

No. de Pieza. AT91SAM7X256
Descripción  AT91 ARM Thumb-based Microcontrollers
Descarga  664 Pages
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Fabricante  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
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AT91SAM7X256 Datasheet(HTML) 15 Page - ATMEL Corporation

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15
6120D–ATARM–02-Feb-06
AT91SAM7X256/128 Preliminary
9.
Memory
9.1
AT91SAM7X256
• 256 Kbytes of Flash Memory
– 1024 pages of 256 bytes
– Fast access time, 30 MHz single-cycle access in Worst Case conditions
– Page programming time: 6 ms, including page auto-erase
– Page programming without auto-erase: 3 ms
– Full chip erase time: 15 ms
– 10,000 write cycles, 10-year data retention capability
– 16 lock bits, each protecting 16 sectors of 64 pages
– Protection Mode to secure contents of the Flash
• 64 Kbytes of Fast SRAM
– Single-cycle access at full speed
9.2
AT91SAM7X128
• 128 Kbytes of Flash Memory
– 512 pages of 256 bytes
– Fast access time, 30 MHz single-cycle access in Worst Case conditions
– Page programming time: 6 ms, including page auto-erase
– Page programming without auto-erase: 3 ms
– Full chip erase time: 15 ms
– 10,000 write cycles, 10-year data retention capability
– 8 lock bits, each protecting 8 sectors of 64 pages
– Protection Mode to secure contents of the Flash
• 32 Kbytes of Fast SRAM
– Single-cycle access at full speed


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