AT91SAM7SE512-AU

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AT91SAM7SE512-AU

IC MCU 16/32B 512KB FLSH 128LQFP

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Specifications

Supplier Microchip Technology
Package Tray
Series SAM7SE
ProductStatus Obsolete
CoreProcessor ARM7®
CoreSize 16/32-Bit
Speed 55MHz
Connectivity EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 88
ProgramMemorySize 512KB (512K x 8)
ProgramMemoryType FLASH
RAMSize 32K x 8
Voltage-Supply(Vcc/Vdd) 1.65V ~ 1.95V
DataConverters A/D 8x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 128-LQFP

Overview

Description

AT91SAM7SE512-AU is an ARM7TDMI-S based microcontroller from Atmel (AT91SAM7SE family). Key points:
- Core and speed: 32‑bit ARM7TDMI‑S core, typically up to ~55 MHz, offering tens of MIPS.
- Memory: 512 KB on‑chip flash; around 64 KB RAM for data.
- USB: Full‑Speed USB 2.0 device controller with on‑chip transceiver (USB peripheral applications).
- Peripherals: multiple serial interfaces (USART/UART, SPI, I2C), timers, PWM, RTC, watchdog, general purpose I/O, and on‑chip analog (ADC) features.
- Power: single‑supply operation around 2.7–3.6 V.
- Packaging: AU denotes a high‑pin‑count package variant (e.g., large TQFP/LQFP form factor).
- Development: supported by Atmel Studio/ASF (Microchip MPLAB X ecosystem) with GCC toolchains; JTAG/SWD debugging options.
- Use cases: USB peripherals, embedded control, consumer electronics requiring USB connectivity.
- Notes: Mature, cost‑effective, but not as fast as Cortex‑M newer lines; ideal when USB and a proven toolchain are priorities.

Features

Key features of AT91SAM7SE512-AU (ARM7TDMI-S MCU):
- Core and speed: 32-bit ARM7TDMI-S CPU, up to about 55 MHz operation
- Memory: 512 KB Flash, ~128 KB SRAM; In-System Programming supported
- USB: USB 2.0 Full-Speed device/host controller with on-chip transceiver
- Serial and comms: multiple serial peripherals (USARTs), SPI, I2C (TWI), and SSC (SPI/I2S)
- Timers and PWM: several Timer/Counters with PWM capability
- ADC: 10-bit ADC with multiple input channels
- DMA: Peripheral DMA Controller (PDC) for efficient data transfers
- I/O: rich GPIOs (large pin-count package in AU)
- Debug: JTAG/SWD-style debugging support
- Power and safety: watchdog, brown-out reset, RTC, low-power sleep/idle/power-down modes
- Package: AU version in 100-pin LQFP
Note: exact periphery counts may vary by silicon revision; check the specific datasheet for precise numbers.

Package

It uses a 144-pin LQFP package (LQFP-144), the AU suffix indicating this LQFP option.

Pinout

- Pin count: 100 pins (AU = LQFP-100 package).
- Function: AT91SAM7SE512-AU is an ARM7TDMI-S microcontroller with 512 KB flash and 64 KB SRAM, plus a USB Full-Speed device controller and a rich peripheral set (PIO, timers, ADC/DAC, USART, SPI, TWI, etc.).

Manufacturer

- Manufacturer: Atmel Corporation (now part of Microchip Technology).
- What kind of company: A global semiconductor company that designs and manufactures embedded microcontrollers, memory, and other integrated circuits for electronics.

Application

- USB peripheral/host devices (mass storage, HID, audio)
- Industrial automation and process control
- Consumer electronics and home appliances
- Automotive/telematics and vehicle electronics
- Medical instrumentation and portable devices
- Data acquisition, measurement and logging
- Human–machine interfaces and control panels

Equivalent

Direct equivalents are other package variants of the same silicon in the SAM7S/SE family. Closest cross-parts: AT91SAM7S512 (same device, different package) and AT91SAM7SE512 variants in other package codes (e.g., -MU, -CU). Other 512 KB options exist in the SAM7S family; for lower memory, consider AT91SAM7S256/AT91SAM7SE256. For an exact cross-reference, consult Atmel/Microchip’s cross-reference table.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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