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Microchip Technology AT32UC3B1256-AUR Microcontroller, Microprocessor, FPGA Modules

IC MCU 32BIT 256KB FLASH 48TQFP

5,730 ActiveMicrochip Technology48-TQFP$15.50RoHS
AT32UC3B1256-AUR 48-TQFP package illustration

Same model may have multiple batches, images only for reference.

AT32UC3B1256-AUR
Part Number (MPN)
AT32UC3B1256-AUR
Detailed Description
IC MCU 32BIT 256KB FLASH 48TQFP
Package
48-TQFP
Key Features
Package / Case: 48-TQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF AT32UC3B1256-AUR Datasheet
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Technical Specifications

Microchip Technology AT32UC3B1256-AUR Microcontroller, Microprocessor, FPGA Modules technical specifications.

General

RAM Size
32K x 8
RoHS
Yes
Number of Pins
48
Package / Case
48-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.65V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O
28

Related Parts Comparison (AT32UC3B1256-AUR vs AT32UC3B1128-AUT vs AT32UC3B164-AUT vs AVR64DA48T-I/PT)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / Case48-TQFP48-TQFP48-TQFP48-TQFP
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.65V ~ 3.6V1.65V ~ 3.6V1.65V ~ 3.6V1.8V ~ 5.5V
Number of Pins48484848
Core ProcessorAVRAVRAVRAVR
Core Size32-Bit Single-Core32-Bit Single-Core32-Bit Single-Core8-Bit
RAM Size32K x 832K x 816K x 88K x 8
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
ConnectivityI²C, IrDA, SPI, SSC, UART/USART, USBI²C, IrDA, SPI, SSC, UART/USART, USBI²C, IrDA, SPI, SSC, UART/USART, USBI²C, SPI, UART/USART
Data ConvertersA/D 6x10bA/D 6x10bA/D 6x10bA/D 18x12b; D/A 1x10b
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Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

This part is listed as a cross for

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