ATSAM3S2CA-AU vs ATSAM4S2CB-ANR Comparison
Detailed side-by-side comparison of ATSAM3S2CA-AU by Microchip Technology and ATSAM4S2CB-ANR 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
ATSAM3S2CA-AU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2CA-AU ✓ ActiveMicrochip Technology
ATSAM4S2CB-ANR - 120MHz Cortex-M4 MCU 128KB Flash | Microchip
ATSAM4S2CB-ANR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S2CA-AU | ATSAM4S2CB-ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M4 (32-bit RISC) |
| Core Size | 32-Bit | — |
| Max Clock Frequency | 64 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 128 KB (128K x 8) |
| SRAM | 32 KB | 64 KB |
| Series | SAM3S | — |
| Instruction Set | Thumb-2 | — |
| Memory Protection Unit | Yes (MPU) | — |
| I/O Ports | 47 | — |
| Supply Voltage (VDDCORE domain) | 1.08 V to 1.32 V | — |
| I/O Supply | 1.8 V / 3.3 V | — |
| Temperature Grade | Industrial (-40C to +85C) | — |
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm), gull-wing, square LFQFP |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | ACTIVE | — |
| Program Memory Type | Flash | — |
| RoHS Status | RoHS Compliant (lead-free, 'AU' suffix) | RoHS compliant (green package per Mouser listing) |
| Core Architecture | — | ARMv7E-M Harvard, 3-stage pipeline |
| Maximum Clock Frequency | — | 120 MHz |
| Supply Voltage | — | 1.62 V to 3.6 V |
| Core Voltage | — | 1.2 V |
| Power Consumption | — | 180 uA/MHz (typical, per Microchip) |
| USB | — | Full-speed USB Device port with embedded transceiver |
| Number of I/O | — | Up to 79 programmable I/O lines |
| Operating Temperature | — | -40C to +85C (industrial grade) |
| Terminal Form | — | Gull Wing |
| Packaging | — | Tape & Reel (suffix NR) |
| Flash Family Range | — | Up to 2048 KB within SAM4S family, dual-bank with cache |