ATSAM3A4CA-AU vs ATSAM4S16CA-AU Comparison
Detailed side-by-side comparison of ATSAM3A4CA-AU by Microchip Technology and ATSAM4S16CA-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-AU ✓ ActiveMicrochip Technology
ATSAM4S16CA-AU - Cortex-M4 120MHz 1MB Flash MCU | Microchip
ATSAM4S16CA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3A4CA-AU | ATSAM4S16CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M4 |
| Core Size | 32-bit | 32-bit |
| Maximum Clock Speed | 84 MHz | 120 MHz |
| Program Memory Size | 256 KB (2 x 128 KB banks) | — |
| Program Memory Type | FLASH | — |
| RAM Size | 64 KB (2 x 32 KB banks) | — |
| Supply Voltage | 1.62 V to 3.6 V | 1.2 V / 3.3 V |
| Data Converters | A/D 16x12-bit; D/A 2x12-bit | — |
| Connectivity | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB | EBI/EMI, I2C, IrDA, MMC, SPI, SSC, UART/USART |
| Oscillator Type | Internal | — |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| SysTick Counter | 24-bit | — |
| Operating Temperature | -40C to +85C | — |
| Package | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | SAM3A | SAM4S |
| Flash Memory | — | 1 MB (1M x 8) |
| SRAM | — | 128 KB |
| Cache | — | 2 Kbytes |
| Memory Protection Unit | — | Yes (MPU) |
| DSP Instruction Set | — | Yes |
| Operating Temperature Range | — | Industrial (-40C to +85C) |
| Life Cycle Stage | — | Active |
| RoHS Status | — | Compliant (Green package per Mouser: LQFP, GREEN, IND TEMP) |