ATSAM4CMS32CB-AUR vs ATSAM4CMS32CA-AUR Comparison
Detailed side-by-side comparison of ATSAM4CMS32CB-AUR by Microchip Technology and ATSAM4CMS32CA-AUR 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
ATSAM4CMS32CB-AUR - Dual-Core 120MHz Metering MCU 2MB | Microchip
ATSAM4CMS32CB-AUR ✓ ActiveMicrochip Technology
ATSAM4CMS32CA-AUR - Dual-Core 120MHz 2MB Flash MCU | Microchip
ATSAM4CMS32CA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM4CMS32CB-AUR | ATSAM4CMS32CA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.20 | $9.75 |
| Core Processor | ARM Cortex-M4/M4F dual-core | ARM Cortex-M4/M4F |
| Core Size | 32-bit | — |
| Max Clock Frequency | 120 MHz | — |
| Flash Memory | 2 MB (2M x 8) | — |
| SRAM | 304 KB | — |
| Cache | On-chip cache | — |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Operating Temperature | -40C to +85C | -40C to +85C (TA) |
| ADC Resolution | 10 bit | — |
| GPIO Count | 57 | — |
| Metrology Accuracy | Class 0.2, dynamic range 3000:1 | — |
| Security Features | Crypto hardware | — |
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| RoHS Status | Compliant (Lead free / RoHS, Green) | Green (per Mouser listing) |
| Target Application | Residential and single-phase metering | — |
| Core Architecture | — | 32-Bit Dual-Core |
| Maximum Clock Frequency | — | 120 MHz |
| Flash Memory Size | — | 2 MB (2M x 8) |
| RAM Size | — | 256 KB (256K x 8) |
| Series | — | SAM4CM (ATSAM4CM) |
| Supply Voltage | — | [DATA_NEEDED: Supply Voltage] |
| Security Feature | — | Hardware crypto engine (CRYPTO) |
| FPU | — | Yes (Cortex-M4F, per core) |
| Special Features | — | Dual phase, Rework GND + VddCore, MRLA |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL Level] |
| Number of I/O | — | [DATA_NEEDED: Number of I/O] |