Microchip Technology SAM4CM | Microchip Technology
SAM4CM series from Microchip Technology
Microchip Technology SAM4CM Series Overview
Dual-core ARM Cortex-M4 MCU with metrology engine for single-phase smart meters.
The SAM4CM from Microchip Technology is a Dual-core ARM Cortex-M4 MCU with metrology engine for single-phase smart meters. This series includes 3 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.
Built on a Dual ARM Cortex-M4 architecture, the SAM4CM series integrates essential peripherals including timers, communication interfaces, and analog converters to support complete system-on-chip designs. The integrated development environment and extensive software libraries accelerate firmware development and reduce design risk.
Octatronics stocks SAM4CM variants in multiple package options. Request a quote for volume pricing, check real-time availability, or contact our engineering team for application support and alternative part recommendations.
Key Features
- Dual ARM Cortex-M4 CoreDual ARM Cortex-M4 core delivers optimal performance-per-watt for real-time processing tasks.
- Rich Peripheral IntegrationOn-chip timers, ADCs, DACs, and communication interfaces (UART, SPI, I2C, CAN) reduce external component needs.
- Comprehensive Development EcosystemIDE support, debugger tools, RTOS options, and extensive code examples accelerate development cycles.
- Scalable Memory OptionsMultiple flash and RAM configurations allow right-sizing for each application, optimizing cost and performance.
Target Applications
- Smart electricity meters
- Energy management
- Power quality analyzers
- Grid monitoring
Compare SAM4CM Variants
Side-by-side comparison of 10 product variants from Microchip Technology
| Parameter | ATSAM4CMS8CB-AUR | ATSAM4CMS8CB-AU | ATSAM4CMS8CA-AU | ATSAM4CMS4CC-AUR | ATSAM4CMS4CC-AU | ATSAM4CMS16CB-AUR | ATSAM4CMS16CB-AU | ATSAM4CMS16CC-AUT | ATSAM4CMP8CC-AUT | ATSAM4CMS16CA-AU |
|---|---|---|---|---|---|---|---|---|---|---|
| Package / Case | 100-LQFP | 100-LQFP | 100-LQFP | 100-LQFP | 100-LQFP | 100-LQFP | 100-LQFP | 100-TQFP | 100-TQFP | 100-LQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Connectivity | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART | EBI/EMI, I²C, IrDA, SPI, UART/USART |
| Core Processor | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4/M4F | ARM® Cortex®-M4F | ARM® Cortex®-M4F | ARM® Cortex®-M4/M4F |
| Core Size | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core | 32-Bit Dual-Core |
| Data Converters | A/D 6x10b | A/D 6x10b | A/D 6x10b | A/D 6x10b | A/D 6x10b | A/D 6x10b | A/D 6x10b | A/D 6x10b SAR | A/D 6x10b SAR | A/D 6x10b |
| Number of I/O | 57 | 57 | 57 | 57 | 57 | 57 | 57 | - | - | 57 |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT |
| Program Memory Size | 512KB (512K x 8) | 512KB (512K x 8) | 512KB (512K x 8) | 256KB (256K x 8) | 256KB (256K x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 512KB (512K x 8) | 1MB (1M x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| RAM Size | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 | 128K x 8 |
| Speed | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz |
| Supplier Device Package | 100-LQFP (14x14) | 100-LQFP (14x14) | 100-LQFP (14x14) | 100-LQFP (14x14) | 100-LQFP (14x14) | 100-LQFP (14x14) | 100-LQFP (14x14) | - | - | 100-LQFP (14x14) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote |
Selection Guide
Package
100-LQFP→ATSAM4CMS8CB-AURATSAM4CMS8CB-AUATSAM4CMS8CA-AUATSAM4CMS4CC-AURATSAM4CMS4CC-AUATSAM4CMS16CB-AURATSAM4CMS16CB-AUATSAM4CMS16CA-AU
100-TQFP→ATSAM4CMS16CC-AUTATSAM4CMP8CC-AUT
Base Numbers
| Base Number | Description | Variants | Status | Action |
|---|---|---|---|---|
| ATSAM4CM | ATSAM4CM variants from Microchip Technology | 2 MPNs | Active | View Details |
| ATSAM4CMS8 | ATSAM4CMS8 variants from Microchip Technology | 3 MPNs | Active | View Details |
Technical Specifications
Compare key SAM4CM specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.
Processor Specifications
CPU Core
Dual ARM Cortex-M4
Operating Frequency
See datasheet per variant
Flash Memory
Multiple options available
RAM
Multiple options available
Peripherals
Communication
UART, SPI, I2C, CAN (varies)
Analog
ADC, DAC, Comparators (varies)
Timers/PWM
Multiple channels
Frequently Asked Questions
Common technical questions about the SAM4CM series.
The SAM4CM is a Microchip Technology Dual-core ARM Cortex-M4 MCU with metrology engine for single-phase smart meters. The series includes 3 variants optimized for different application requirements.
The SAM4CM series currently includes 3 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The SAM4CM series is used in Smart electricity meters, Energy management, Power quality analyzers, and Grid monitoring. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Microchip Technology products including the SAM4CM series. We provide competitive pricing, fast delivery, and full traceability for all components. Request a quote or contact us for availability and lead times.
Yes, Octatronics supports both prototype and production quantities for the SAM4CM series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.