Microchip Technology ATUC256L4U-D3HR Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 256KB FLASH 48TLLGA
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATUC256L4U-D3HR
Detailed Description
IC MCU 32BIT 256KB FLASH 48TLLGA
Package
48-UFLGA Exposed Pad
Key Features
Package / Case: 48-UFLGA Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATUC256L4U-D3HR Datasheet
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Technical Specifications
Microchip Technology ATUC256L4U-D3HR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
AVR®32 UC3 L
Interface
CAN, I2C, IrDA, LIN, SPI, UART, USART, USB
Memory Size
64 kB
RAM Size
32K x 8
Data Bus Width
32 b
RoHS
Yes
Number of Pins
48
Package / Case
48-UFLGA Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Alternate Parts Comparison (ATUC256L4U-D3HR vs ATUC64L4U-D3HR vs ATUC256L4U-D3HES vs ATUC64L4U-D3HT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 48-UFLGA Exposed Pad | 48-UFLGA Exposed Pad | 48-UFLGA Exposed Pad | 48-UFLGA Exposed Pad |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | 16K x 8 | 32K x 8 | 16K x 8 |
| Connectivity | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB |
| Data Converters | A/D 8x12b | A/D 8x12b | A/D 8x12b | A/D 8x12b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Program Memory Size | 256KB (256K x 8) | 64KB (64K x 8) | 256KB (256K x 8) | 64KB (64K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Action |
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 .
Suggested replacements
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