Microchip Technology AT32UC3A3128S-ALUR Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 128KB FLASH 144LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT32UC3A3128S-ALUR
Detailed Description
IC MCU 32BIT 128KB FLASH 144LQFP
Package
144-LQFP
Key Features
Package / Case: 144-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AT32UC3A3128S-ALUR Datasheet
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Technical Specifications
Microchip Technology AT32UC3A3128S-ALUR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
128K x 8
Package / Case
144-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.75V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number of I/O
110
Speed
66MHz
Core Processor
AVR
Alternate Parts Comparison (AT32UC3A3128S-ALUR vs AT91M42800A-33AU-999 vs PIC32MZ1024EFE144-I/PL vs ATSAM4E16EB-AN)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 144-LQFP | 144-LQFP | 144-LQFP | 144-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 ~ 85°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 1.75V ~ 3.6V | 2.7V ~ 3.6V | 2.1V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | AVR | ARM7® | MIPS32® M-Class | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 16/32-Bit | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 128K x 8 | 8K x 8 | 256K x 8 | 128K x 8 |
| Connectivity | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG | EBI/EMI, SPI, UART/USART | EBI/EMI, Ethernet, I²C, PMP, SPI, SQI, UART/USART, USB OTG | CANbus, EBI/EMI, Ethernet, IrDA, SD, SPI, UART/USART, USB |
| Number of I/O | 110 | 54 | 120 | 117 |
| Oscillator Type | Internal | External | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, POR, WDT | POR, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Program Memory Type | Flash | ROMless | 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 .
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