Microchip Technology ATSAM3A4CA-CU Microcontrollers
IC MCU 32BIT 256KB FLSH 100TFBGA
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAM3A4CA-CU
Base Model
Detailed Description
IC MCU 32BIT 256KB FLSH 100TFBGA
Package
100-TFBGA
Lifecycle Status
Active
Datasheet
ATSAM3A4CA-CU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAM3A4CA-CU Microcontrollers technical specifications.
General
RAM Size
64K x 8
RoHS
Yes
Number of Pins
100
Package / Case
100-TFBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O
63
Alternate Parts Comparison (ATSAM3A4CA-CU vs ATSAM3A4CA-AU vs ATSAM4SA16CA-CU vs ATSAM4S4CA-CUR)
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-TFBGA | 100-LQFP | 100-TFBGA | 100-TFBGA |
| 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 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 64K x 8 | 64K x 8 | 160K x 8 | 64K 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, Memory Card, SPI, SSC, UART/USART, USB | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Data Converters | A/D 16x12b; D/A 2x12b | A/D 16x12b; D/A 2x12b | A/D 16x12b; D/A 2x12b | A/D 16x12b; D/A 2x12b |
| Number of I/O | 63 | 63 | 79 | 79 |
| 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, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| 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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