AT91SAM7S64 datasheet(17/42 Pages) ATMEL

17 / 42 page

6175BS–ATARM–04-Nov-05

AT91SAM7S Series Summary

Memory

9.1

AT91SAM7S256

•

256 Kbytes of Flash Memory single plane

–

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, 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

AT91SAM7S128

•

128 Kbytes of Flash Memory single plane

–

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, 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

9.3

AT91SAM7S64

•

64 Kbytes of Flash Memory single plane

–

512 pages of 128 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, protecting 16 sectors of 32 pages

–

Protection Mode to secure contents of the Flash

•

16 Kbytes of Fast SRAM

–

Single-cycle access at full speed

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