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AT91SAM7SE256-AU

AT91SAM7SE256-AU

AT91SAM7SE256-AU

Microchip Technology

256KB 256K x 8 FLASH ARM7® 16/32-Bit Microcontroller SAM7SE Series AT91SAM7SE256 128 Pin 55MHz 128-LQFP

SOT-23

AT91SAM7SE256-AU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 128-LQFP
Number of Pins 128
Supplier Device Package 128-LQFP (20x14)
Data Converters A/D 8x10b
Package Tray
Base Product Number AT91SAM7SE256
Mfr Microchip Technology
Product Status Obsolete
Operating Temperature-40°C~85°C TA
PackagingTray
Series SAM7SE
Published 1997
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Termination SMD/SMT
Max Operating Temperature85°C
Min Operating Temperature -40°C
Frequency 55MHz
Base Part Number AT91SAM7SE256
Interface EBI/EMI, I2C, SPI, UART, USART, USB
Max Supply Voltage3.6V
Min Supply Voltage1.65V
Memory Size256kB
Oscillator TypeInternal
Number of I/O 88
Speed 55MHz
RAM Size 32K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 1.65V~1.95V
Number of Bits 32
Core Processor ARM7®
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 16/32-Bit
Program Memory Size 256KB 256K x 8
Connectivity EBI/EMI, I2C, SPI, SSC, UART/USART, USB
Data Converter A/D 8x10b
Watchdog TimerYes
Access Time 48 μs
Data Bus Width 32b
Number of Timers/Counters 3
Density 2 Mb
Core Architecture ARM
EEPROM Size --
Max Frequency 55MHz
Number of Programmable I/O 88
Number of UART Channels 1
Number of ADC Channels 8
Number of PWM Channels 4
Number of I2C Channels 1
Number of SPI Channels 1
Height 1.45mm
Length 20mm
Width 14mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:3100 items

AT91SAM7SE256-AU Product Details

AT91SAM7SE256-AU Overview


The package is 128-LQFP-shaped. There are 88 I/Os. In the case of the IC chip, the type of mounting is Surface Mount. Microcontroller is based on the 16/32-Bit core architecture. The type of program memory it uses is FLASH. Temperatures in the range of -40°C~85°C TA are operated by this Microcontroller. It is part of the SAM7SE series of electrical components. Having a size of 256KB 256K x 8, Microcontroller has a program memory of X bytes. A ARM7® Core Processor is at the core of this Microcontroller. 256kB is the size of the memory in the IC part. Using the base part number AT91SAM7SE256, you will be able to find alternatives for the part. Using a 55MHz frequency, this electronic part can perform efficiently. On the chip, 128 pins are accessible. In total, there are 3 timers/counters on the device. There is FLASH memory on this piece of equipment. In addition, it comes with a ARM core architecture. It has 88 Programmable Input/Output pins that can be programmed. A total of 8 UART channels are available on it. The ADC channel count on this device totals up to 8 channels. IC chip bits total 32. In order for the device to function, it uses 4 PWM channels. 1 I2C channels are integrated by the part.

AT91SAM7SE256-AU Features


128-LQFP package
Mounting type of Surface Mount
Minimum temperature of -40°C


AT91SAM7SE256-AU Applications


There are a lot of Microchip Technology
AT91SAM7SE256-AU Microcontroller applications.


  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers

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