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AT91SAM7S256D-AU
ARM7® SAM7S Microcontroller IC 16/32-Bit 55MHz 256KB (256K x 8) FLASH 64-LQFP (10x10)
Brands: Microchip Technology
Mfr.Part #: AT91SAM7S256D-AU
Datasheet: AT91SAM7S256D-AU Datasheet (PDF)
Package/Case: 64-LQFP
RoHS Status:
Stock Condition: 7713 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomAT91SAM7S256D-AU General Description
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.
The multi-layer bus matrix, multiple SRAM banks, PDC, and DMA support parallel tasks and maximize data throughput.
The SAM7S256 operates from 1.65V to 3.6V and is available in 64-pin LQFP and QFN packages.
Features
- ARM7TDMI® ARM® Thumb® Processor 32-bit RISC Architecture
- High-density 16-bit Instruction Set
- EmbeddedICE™ In-circuit Emulation, Debug Communication Channel Support
- 256 Kbytes, Organized in 1024 Pages of 256 Bytes (Single Plane)
- 64 Kbytes embedded SRAM, Single-cycle Access at Maximum Speed
- Memory Controller (MC)
- Memory Protection Unit
- Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components
- Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout Detector
- Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and One PLL
- Power Management Controller (PMC)
- Advanced Interrupt Controller (AIC)
- Two-wire UART and Support for Debug Communication Channel interrupt, Programmable ICE Access Prevention
- 20-bit Programmable Counter plus 12-bit Interval Counter
- Windowed Watchdog (WDT)
- Real-time Timer (RTT)
- 32 Parallel Input/Output Controllers (PIO)
- Eleven Peripheral DMA Controller (PDC) Channels
- Four High-current Drive I/O lines, Up to 16 mA Each
- 64-lead LQFP
- 64-pad QFN
- One Synchronous Serial Controller (SSC)
- Two Universal Synchronous/Asynchronous Receiver Transmitters (USART)
- One Master/Slave Serial Peripheral Interfaces (SPI)
- One USB 2.0 Full Speed (12 Mbits per second) Device Port
- One Three-channel 16-bit Timer/Counter (TC)
- One Four-channel 16-bit PWM Controller (PWMC)
- One Two-wire Interface (TWI)
- One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
- Up to 55 MHz at 1.8V and 85⋅ C Worst Case Conditions
- Up to 48 MHz at 1.65V and 85⋅ C Worst Case Conditions
- SAM-BA - Interface with SAM-BA Graphic User Interface
- IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Series | SAM7S | Package | Tray |
| Product Status | Active | Programmabe | Verified |
| Core Processor | ARM7® | Core Size | 16/32-Bit |
| Speed | 55MHz | Connectivity | I2C, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Number of I/O | 32 |
| Program Memory Size | 256KB (256K x 8) | Program Memory Type | FLASH |
| RAM Size | 64K x 8 | Voltage - Supply (Vcc/Vdd) | 1.65V ~ 1.95V |
| Data Converters | A/D 8x10b | Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | Mounting Type | Surface Mount |
| Supplier Device Package | 64-LQFP (10x10) | Package / Case | 64-LQFP |
| Base Product Number | AT91SAM7S256 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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AT91SAM7S256D-AU is a high-performance 32-bit microcontroller from Atmel. It features a 256 KB Flash memory, 64 KB SRAM, and a wide range of communication interfaces. It is ideal for embedded applications requiring advanced connectivity and processing capabilities.
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Equivalent
Some equivalent products of the AT91SAM7S256D-AU chip are the AT91SAM7S512C-AU, AT91SAM7X256-AU, and AT91SAM7X512-AU. These chips offer similar features and functionality, making them suitable alternatives for various embedded applications. -
Features
AT91SAM7S256D-AU is a 32-bit microcontroller with 256 KB of Flash and 64 KB of SRAM memory. It operates at a maximum frequency of 55 MHz and includes multiple communication interfaces such as USART, SPI, and I2C. It also has multiple timers/counters and analog-to-digital converters for various applications. -
Pinout
The AT91SAM7S256D-AU has 64 pins and is a 32-bit microcontroller based on the ARM7TDMI-S processor core. It offers 256KB of flash memory, 64KB of SRAM, and various peripherals for embedded applications. -
Manufacturer
The manufacturer of the AT91SAM7S256D-AU is Microchip Technology Inc. It is an American company that specializes in manufacturing a wide range of microcontrollers, semiconductors, and other electronic components. Microchip Technology Inc. is a leading provider of embedded control solutions for a variety of industries, including automotive, consumer electronics, and industrial automation. -
Application Field
The AT91SAM7S256D-AU is commonly used in various applications such as industrial automation, home and building automation, automotive control systems, medical devices, consumer electronics, and other applications where a high-performance, low-power microcontroller is required. -
Package
The AT91SAM7S256D-AU chip comes in an LQFP package, with a form factor of 7mm x 7mm and a size of 48 pins.
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