AT91SAM7X128(2006_02) データシートの表示（PDF） - Atmel Corporation

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AT91SAM7X128
(Rev.:2006_02)

AT91 ARM® Thumb®-based Microcontrollers

Atmel Corporation 

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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6120D–ATARM–02-Feb-06

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