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AT91SAM7SE512-AU
AT91SAM7SE512-AU
| Part Number | AT91SAM7SE512-AU |
|---|---|
| Manufacturer | Microchip Technology / Atmel |
| Category | Integrated Circuits (ICs) -> Embedded – Microcontrollers |
| Description | 32-bit ARM7 Flash MCU, 512KB Flash, 32KB SRAM, 128LQFP, External Bus Interface for external memory expansion |
| Stock Status | In Stock / Pre-order Available |
| Origin | Original Factory Authentic |
Product Overview
The AT91SAM7SE512-AU is a 32-bit industrial microcontroller built on ARM7TDMI core, stable operating frequency up to 48MHz with peak 55MHz. It integrates 512KB embedded Flash and 32KB internal SRAM, equipped with exclusive EBI external bus interface to expand SDRAM, NAND Flash and SRAM without extra logic. Rich analog and digital peripherals, multi-level low power modes, wide industrial temperature range, perfect for industrial control, medical equipment and data acquisition devices.
Core Advantages
High-Capacity Memory & Flexible External Expansion
512KB on-chip Flash supports complex firmware storage. Built-in EBI bus directly connects SDRAM, NAND Flash and SRAM, suitable for large storage projects.
32-bit ARM7TDMI High-performance Core
Supports 16-bit Thumb compression instruction, balances running efficiency and code size, delivers stable real-time interrupt response.
Abundant Built-in Peripheral Interfaces
Comes with USB2.0 Full Speed, I2C, SPI, 4 USART and 8-channel 10-bit ADC, meets diverse communication and analog sampling demands.
Complete Power & Safety Protection Circuit
Dynamic frequency adjustment reduces power consumption; integrated POR, brown-out detection, watchdog and RTC to enhance system stability.
Key Specifications
| Brand | Microchip Technology / Atmel |
|---|---|
| RoHS | RoHS Compliant / Lead Free |
| EDA/CAD Resource | 3D Model, PCB Footprint & Symbol Available |
| Product Warranty | 1 Year Factory Quality Warranty |
| Package / Case | MQFP-128 (20mm × 14mm) |
| Mounting Type | Surface Mount (SMD) |
| Surface Marking / Silkscreen | AT91SAM7SE512 AU Marking |
| CPU Core | ARM7TDMI |
| Architecture Bit Width | 32-Bit (Support 16-bit Thumb Instruction) |
| Max Operating Frequency | Up to 48 MHz (Peak 55MHz) |
| On-chip Flash Size | 512KB (512K × 8) |
| Flash Type | Embedded FLASH |
| Internal SRAM Capacity | 32K × 8 |
| External Bus Interface | EBI 16-bit External Memory Bus |
| GPIO Pins Count | 88 General Purpose I/O Pins |
| Power Supply Voltage | Core:1.65V ~ 1.95V; I/O Port:3.0V ~ 3.6V |
| ADC Resources | 8-channel 10-bit Analog-to-Digital Converter |
| Communication Interfaces | USB2.0 Full Speed, I2C, SPI, 4 × USART |
| Timer / PWM Channels | 6-channel 16-bit Timer / PWM |
| Clock Oscillator | Internal RC Oscillator + External Crystal Oscillator Support |
| Typical Operating Current | 45mA @48MHz Core Operation |
| Low Power Mode Current | ≤15μA Standby Mode |
| Operating Temperature Range | -40°C ~ +85°C Industrial Grade |
Typical Applications
- Industrial Control Systems & Automation Equipment
- POS Payment Terminals and Handheld Transaction Devices
- Medical Monitoring Instruments & Diagnostic Equipment
- Communication Gateways and Protocol Conversion Devices
- Data Recorders, Embedded Storage and Server Monitoring Modules
- Smart Meters and High-end Consumer Electronic Products
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Stock Shipment Time | Shipped within 1-2 business days after payment |
| Global Delivery Cycle | 3-7 working days worldwide |
| Available Shipping Channels | DHL, UPS, FedEx, EMS |
| Supported Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What core advantage does AT91SAM7SE512-AU have over ordinary SAM7S series MCUs?
A1: The SAM7SE series adds independent EBI external bus interface, which can directly expand external SDRAM/NAND Flash; standard SAM7S only supports internal memory without external bus expansion function.
Q2: Does this chip support low power energy-saving operation modes?
A2: Yes, the built-in PMC power management controller provides multiple low-power modes. It can turn off unused peripheral clocks and adjust the main frequency to reduce overall power consumption.
Q3: Can this microcontroller work stably in industrial high and low temperature environments?
A3: Yes, industrial temperature grade, working temperature range -40°C ~ +85°C, suitable for factory automation, medical equipment and other harsh temperature scenarios.
Q4: What development tools are compatible with AT91SAM7SE512-AU for programming and debugging?
A4: Standard JTAG debugging interface, compatible with Keil MDK, IAR Embedded Workbench, ARM GCC open source tool chain, supporting online download and real-time debugging.
Q5: Is the 55MHz full temperature range available for continuous operation?
A5: 55MHz is peak frequency under ideal temperature and voltage; stable long-term operation within -40~85°C is recommended at 48MHz to avoid performance drift.
Q6: Do you provide free samples of AT91SAM7SE512-AU for testing?
A6: We support sample supply for customer project verification. You can submit sample demand via the inquiry form, we will confirm sample quantity and freight cost quickly.
Q7: Are your AT91SAM7SE512-AU 100% original brand new?
A7: All our MCUs are original factory new stock, with complete original packaging. We can provide factory material certification upon request.
Q8: Can you support full BOM one-stop matching for my whole project?
A8: Yes, we provide full BOM kitting service. Send your complete component list through the inquiry form, we will quote all parts together.
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