
AT91SAM7S256D-AU-999
ActiveARM MCU, SAM 32 FAMILY AT91SAM7S SERIES MICROCONTROLLERS, ARM7TDMI, 32 BIT, 55 MHZ, 256 KB
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AT91SAM7S256D-AU-999
ActiveARM MCU, SAM 32 FAMILY AT91SAM7S SERIES MICROCONTROLLERS, ARM7TDMI, 32 BIT, 55 MHZ, 256 KB
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Technical Specifications
Parameters and characteristics for this part
| Specification | AT91SAM7S256D-AU-999 |
|---|---|
| Connectivity | USB, SSC, UART/USART, I2C, SPI |
| Core Processor | ARM7® |
| Core Size [Max] | 32 Bit |
| Core Size [Min] | 16 Bit |
| Data Converters [custom] | 8 |
| Data Converters [custom] | 10 |
| Mounting Type | Surface Mount |
| Number of I/O | 32 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Oscillator Type | Internal |
| Package / Case | 64-LQFP |
| Peripherals | Brown-out Detect/Reset, DMA, POR, WDT, PWM |
| Program Memory Size | 256 KB |
| Program Memory Type | FLASH |
| RAM Size | 64 K |
| Speed | 55 MHz |
| Supplier Device Package | 64-LQFP (10x10) |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 11.73 | |
| 25 | $ 10.65 | |||
| 100 | $ 9.67 | |||
| Digi-Reel® | 1 | $ 11.73 | ||
| 25 | $ 10.65 | |||
| 100 | $ 9.67 | |||
| Tape & Reel (TR) | 1500 | $ 9.67 | ||
| Microchip Direct | T/R | 1 | $ 11.73 | |
| 25 | $ 10.65 | |||
| 100 | $ 9.67 | |||
| 1000 | $ 8.81 | |||
| 5000 | $ 8.45 | |||
| Newark | Each (Supplied on Cut Tape) | 1 | $ 12.20 | |
| 10 | $ 11.64 | |||
| 25 | $ 11.08 | |||
| 50 | $ 10.57 | |||
Description
General part information
AT91SAM7S256 Series
Microchip's ARM®-based SAM7S256 is a member of the SAM7S series of flash microcontrollers based on the 32-bit ARM7TDMI RISC processor.
It operates at a maximum speed of 55MHz and features 128KB of flash memory and 64KB of SRAM.
The peripheral set includes a Full Speed USB device and Phy at 12Mbps, UART, two USARTs, TWI (I2C), SPI, SSC, two PWM timers, three 16-bit timers, RTT, 8x10-bit ADC and 32 IO lines. It achieves single-cycle instruction access from embedded flash at 27 MIPS.
Documents
Technical documentation and resources