Microchip Technology ATUC128D3-A2UR Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 128KB FLASH 64LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATUC128D3-A2UR
Detailed Description
IC MCU 32BIT 128KB FLASH 64LQFP
Package
64-LQFP
Key Features
Package / Case: 64-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATUC128D3-A2UR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATUC128D3-A2UR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
AVR®32 UC3 D
RAM Size
16K x 8
RoHS
Yes
Package / Case
64-LQFP
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, I²S, POR, PWM, WDT
Number of I/O
51
Related Parts Comparison (ATUC128D3-A2UR vs AT89C51CC03CA-RDTUM vs ATSAM4SD16CA-AN vs ATSAM4N8BA-AUR)
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 Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.65V ~ 3.6V | 3V ~ 5.5V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | AVR | 80C51 | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 8-Bit | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 16K x 8 | 2.25K x 8 | 160K x 8 | 64K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, SPI, UART/USART, USB | CANbus, SPI, UART/USART | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, SPI, UART/USART |
| Data Converters | A/D 8x10b | A/D 8x10b | A/D 16x12b; D/A 2x12b | A/D 11x10b; D/A 1x10b |
| Number of I/O | 51 | 36 | 79 | 47 |
| 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
MCF51JF128VLHNXP SemiconductorsNXP
IC MCU 32BIT 128KB FLASH 64LQFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.