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AT91SAM7S321-MU

AT91SAM7S321-MU

AT91SAM7S321-MU

Microchip Technology

32KB 32K x 8 FLASH ARM7® 16/32-Bit Microcontroller SAM7S Series AT91SAM7S321 64 Pin 55MHz 64-VFQFN Exposed Pad

SOT-23

AT91SAM7S321-MU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-VFQFN Exposed Pad
Number of Pins 64
Supplier Device Package 64-QFN (9x9)
Data Converters A/D 8x10b
Package Tray
Base Product Number AT91SAM7S321
Mfr Microchip Technology
Product Status Obsolete
Operating Temperature-40°C~85°C TA
PackagingTray
Series SAM7S
Published 1997
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Frequency 55MHz
Base Part Number AT91SAM7S321
Interface I2C, I2S, SPI, UART, USART, USB
Max Supply Voltage3.6V
Min Supply Voltage1.65V
Memory Size32kB
Oscillator TypeInternal
Number of I/O 32
Speed 55MHz
RAM Size 8K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 1.65V~1.95V
Core Processor ARM7®
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 16/32-Bit
Program Memory Size 32KB 32K x 8
Connectivity I2C, SPI, SSC, UART/USART, USB
Data Converter A/D 8x10b
Watchdog TimerYes
Data Bus Width 32b
Number of Timers/Counters 3
Core Architecture ARM
EEPROM Size --
Max Frequency 55MHz
Number of Programmable I/O 32
Length 9mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:1657 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$5.12000$5.12
500$5.0688$2534.4
1000$5.0176$5017.6
1500$4.9664$7449.6
2000$4.9152$9830.4
2500$4.864$12160

AT91SAM7S321-MU Product Details

AT91SAM7S321-MU Overview


Packaged in a 64-VFQFN Exposed Pad format, this MCU is available in a compact size. There are 32 I/Os on the Microcontroller. It is important to note that the Microcontroller has a Surface Mount mounting type. 16/32-Bit core is the basis for this Microcontroller. This program has a type of memory called FLASH for this MCU's program memory. Temperatures in this range are operated by this Microcontroller. The SAM7S series includes this electrical component. There is 32KB 32K x 8 bytes of program memory in MCU, which corresponds to the size of the program. With a ARM7® Core processor, MCU is equipped with the latest technology available. 32kB memory size belongs to the Chip part. Alternatives can be found by looking at the base part number AT91SAM7S321. In the case of 55MHz frequency operation, it can perform efficiently. The chip has 64 pins. The clock has 3 timers/counters to keep track of the time. There is a FLASH memory feature on this equipment. With ARM core architecture, it offers high performance. A total of 32 programmable I/Os are available on this board.

AT91SAM7S321-MU Features


64-VFQFN Exposed Pad package
Mounting type of Surface Mount
Minimum temperature of -40°C


AT91SAM7S321-MU Applications


There are a lot of Microchip Technology
AT91SAM7S321-MU Microcontroller applications.


  • Equipment control
  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights

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