AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 19

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

8.5
8.6
SAM7S321/32
SAM7S161/16
16 Kbytes of Fast SRAM
32 Kbytes of Flash Memory, single plane
8 Kbytes of Fast SRAM
16 Kbytes of Flash Memory, single plane
4 Kbytes of Fast SRAM
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
Single-cycle access at full speed
256 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
8 lock bits, protecting 8 sectors of 32 pages
Protection Mode to secure contents of the Flash
Single-cycle access at full speed
256 pages of 64 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 32 pages
Protection Mode to secure contents of the Flash
Single-cycle access at full speed
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
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