AT91SAM7S256-AU-001 Atmel, AT91SAM7S256-AU-001 Datasheet - Page 19

• Manufacturer Part Number: AT91SAM7S256-AU-001
• Description: IC ARM7 MCU 32BIT 256K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256-AU-001

• Package / Case: 64-LQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 55MHz
• Number Of I /o: 32
• Core Processor: ARM7
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Core Size: 16/32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: AT91SAM7S256AU001

8.4
8.5
8.6
6175FS–ATARM–03-Dec-07
AT91SAM7S64
AT91SAM7S321/32
AT91SAM7S161/16
• 64 Kbytes of Flash Memory, single plane
• 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
– 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
– 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
AT91SAM7S Series Summary
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