AT91SAM7S256-AU-001
ARM microcontroller with Thumb-based RISC architecture, featuring a 32-bit ARM7 CPU running at 55MHz and utilizing flash memoryAT91SAM7S256-AU-001
ARM microcontroller with Thumb-based RISC architecture, featuring a 32-bit ARM7 CPU running at 55MHz and utilizing flash memory
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Manufacturer Part # : AT91SAM7S256-AU-001
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Package/Case: LQFP-64
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Part Status : Discontinued
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Brand: Microchip Technology
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Product Categories : Microcontrollers
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Service & Packaging
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AT91SAM7S256-AU-001 DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
1 | $2.701 | $2.70 |
200 | $1.078 | $215.60 |
500 | $1.042 | $521.00 |
1000 | $1.025 | $1,025.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
In conclusion, the AT91SAM7S256-AU-001 microcontroller offers a compelling blend of performance, connectivity, and energy efficiency, making it a top choice for embedded system developers. Its robust feature set and compact form factor make it a versatile option for a myriad of applications, from IoT devices to industrial automation systems. Whether you require reliable communication interfaces, advanced control capabilities, or low-power operation, this microcontroller delivers on all fronts, empowering you to bring your innovative ideas to life seamlessly and efficiently
![](/files/uploads/product/b/17051c799f0741abb40b3531a13faa0f.webp)
Key Features
- Incorporates the ARM7TDMI® ARM® Thumb® Processor
- – High-performance 32-bit RISC Architecture
- – High-density 16-bit Instruction Set
- – Leader in MIPS/Watt
- – EmbeddedICE™ In-circuit Emulation, Debug Communication Channel Support
- Internal High-speed Flash
- – 512 Kbytes (SAM7S512) Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes (Dual Plane)
- – 256 Kbytes (SAM7S256) Organized in 1024 Pages of 256 Bytes (Single Plane)
- – 128 Kbytes (SAM7S128) Organized in 512 Pages of 256 Bytes (Single Plane)
- – 64 Kbytes (SAM7S64) Organized in 512 Pages of 128 Bytes (Single Plane)
- – 32 Kbytes (SAM7S321/32) Organized in 256 Pages of 128 Bytes (Single Plane)
- – 16 Kbytes (SAM7S161/16) Organized in 256 Pages of 64 Bytes (Single Plane)
- – Single Cycle Access at Up to 30 MHz in Worst Case Conditions
- – Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
- – Page Programming Time: 6 ms, Including Page Auto-erase, Full Erase Time: 15 ms
- – 10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities, Flash Security Bit
- – Fast Flash Programming Interface for High Volume Production
- Internal High-speed SRAM, Single-cycle Access at Maximum Speed
- – 64 Kbytes (SAM7S512/256)
- – 32 Kbytes (SAM7S128)
- – 16 Kbytes (SAM7S64)
- – 8 Kbytes (SAM7S321/32)
- – 4 Kbytes (SAM7S161/16)
- Memory Controller (MC)
- – Embedded Flash Controller, Abort Status and Misalignment Detection
- Reset Controller (RSTC)
- – Based on Power-on Reset and Low-power Factory-calibrated Brown-out Detector
- – Provides External Reset Signal Shaping and Reset Source Status
- Clock Generator (CKGR)
- – Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL
- Power Management Controller (PMC)
- – Software Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz) and Idle Mode
- – Three Programmable External Clock Signals
- Advanced Interrupt Controller (AIC)
- – Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
- – Two (SAM7S512/256/128/64/321/161) or One (SAM7S32/16) External Interrupt Source(s) and One Fast Interrupt Source, Spurious Interrupt Protected
- (Continue ...)
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | ARM Microcontrollers - MCU | RoHS | Details |
Series | SAM7S/SE | Mounting Style | SMD/SMT |
Package / Case | LQFP-64 | Core | ARM7TDMI |
Program Memory Size | 256 kB | Data Bus Width | 32 bit/16 bit |
ADC Resolution | 10 bit | Maximum Clock Frequency | 55 MHz |
Number of I/Os | 32 I/O | Data RAM Size | 64 kB |
Supply Voltage - Min | 1.65 V | Supply Voltage - Max | 1.95 V |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 85 C |
Analog Supply Voltage | 3.3 V | Brand | Microchip Technology |
Data RAM Type | RAM | Height | 1.4 mm |
I/O Voltage | 1.65 V to 3.6 V | Interface Type | I2C, SPI, USART, USB |
Length | 10 mm | Moisture Sensitive | Yes |
Number of ADC Channels | 8 Channel | Number of Timers/Counters | 3 Timer |
Processor Series | SAM7S | Product | MCU |
Product Type ! | ARM Microcontrollers - MCU | Program Memory Type ! | Flash |
Factory Pack Quantity | 160 | Subcategory | Microcontrollers - MCU |
Watchdog Timers | Watchdog Timer | Width | 10 mm |
Unit Weight | 0.012088 oz |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is AT91SAM7S256-AU-001?
The AT91SAM7S256-AU-001 is a high-performance, 32-bit ARM-based microcontroller designed by Microchip. It features a rich set of peripherals and interfaces, making it suitable for various embedded applications such as industrial automation, consumer electronics, and automotive systems.
How Does AT91SAM7S256-AU-001 Work?
The AT91SAM7S256-AU-001 operates as a powerful microcontroller with a 32-bit ARM core, providing high computational performance and efficient code execution. It integrates a wide range of peripherals including timers, communication interfaces, and analog-to-digital converters, enabling versatile system integration and control.
How Many Pins does AT91SAM7S256-AU-001 have and What are the Functions of the Pinout Configuration?
The AT91SAM7S256-AU-001 is housed in a 64-lead LQFP (Low Profile Quad Flat Package) package. The pinout configuration includes:
- GND: Ground pins.
- VDD: Power supply pins.
- Pins for multiple I/O ports, communication interfaces (such as USART, SPI, and I2C), timers, and analog peripherals.
What are the Pros and Cons of AT91SAM7S256-AU-001?
Pros:
- High-Performance Core: Features a 32-bit ARM core for efficient and powerful processing.
- Rich Peripheral Integration: Offers a wide range of peripherals for system control and interfacing.
- Industrial-Temperature Range: Suitable for industrial and automotive applications requiring extended temperature operation.
- Development Ecosystem: Supported by a comprehensive development ecosystem including compilers, debuggers, and software libraries.
Cons:
- Complexity: May require thorough understanding and expertise in ARM-based microcontroller programming and system integration.
- External Components: Integration may require additional external components such as voltage regulators, oscillators, and decoupling capacitors.
- System Design Considerations: Careful consideration of power management, noise immunity, and signal integrity is necessary for optimal performance.
Are There Any Equivalents/Alternatives to AT91SAM7S256-AU-001 for Recommendation?
- The STM32F4 series from STMicroelectronics offers alternative 32-bit ARM-based microcontrollers with similar performance and peripheral integration.
- Microcontrollers such as the LPC1700 series from NXP and the Kinetis K series from NXP provide alternatives to the AT91SAM7S256-AU-001 for diverse embedded applications.
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