Microchip Technology ATSAM3A4CA-AU Microcontrollers
IC MCU 32BIT 256KB FLASH 100LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAM3A4CA-AU
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 100LQFP
Package
100-LQFP
Lifecycle Status
Active
Datasheet
ATSAM3A4CA-AU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAM3A4CA-AU Microcontrollers technical specifications.
General
RAM Size
64K x 8
Package / Case
100-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O
63
Speed
84MHz
Core Processor
ARM® Cortex®-M3
Program Memory Type
Flash
Alternate Parts Comparison (ATSAM3A4CA-AU vs ATSAM3A4CA-CU vs ATSAM4CMS8CC-AUR vs ATSAM4C32CA-AUR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 100-LQFP | 100-TFBGA | 100-LQFP | 100-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 ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4/M4F |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Dual-Core | 32-Bit Dual-Core |
| RAM Size | 64K x 8 | 64K x 8 | 128K x 8 | 304K x 8 |
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC, SPI, SSC, UART/USART, USB | CANbus, I²C, IrDA, LINbus, MMC, SPI, SSC, UART/USART, USB | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART |
| Data Converters | A/D 16x12b; D/A 2x12b | A/D 16x12b; D/A 2x12b | A/D 6x10b | A/D 8x10b |
| Number of I/O | 63 | 63 | 57 | 74 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT |
| Action |
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.