ATSAM4S8BA-AU vs ATSAM4S8CA-AU Comparison
Detailed side-by-side comparison of ATSAM4S8BA-AU by Microchip Technology and ATSAM4S8CA-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
ATSAM4S8BA-AU - ARM Cortex-M4 120MHz 512KB MCU | Microchip
ATSAM4S8BA-AU ✓ ActiveMicrochip Technology
ATSAM4S8CA-AU - ARM Cortex-M4 120MHz 512KB Flash MCU | Microchip
ATSAM4S8CA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM4S8BA-AU | ATSAM4S8CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.72 | $5.74 |
| Core | ARM Cortex-M4 | ARM Cortex-M4 |
| Core Architecture | 32-bit RISC with DSP extensions | — |
| Instruction Set | Thumb-2 | — |
| Maximum Clock Speed | 120 MHz | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) | 512 KB (512K x 8) |
| SRAM | 128 KB | 128 KB |
| Instruction Cache | 2 KB | 2 KB |
| Operating Voltage | 1.62 V to 3.6 V | — |
| ADC | 12-bit, up to 1 Msps | 12-bit, up to 1 MSPS |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | Full-Speed USB Device with on-chip transceiver |
| Communication Interfaces | 2x UART, 2x TWI (I2C), 1x SPI, 1x I2S, 1x SDIO/SD/MMC | — |
| I/O Pins | 47 | — |
| Timers/PWM | 16-bit PWM channels | — |
| Package | 64-LQFP (10x10 mm) | 100-pin LQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| Pin-to-Pin Compatibility | SAM3N, SAM3S, SAM7S legacy (64-/100-pin) | — |
| RoHS Status | Compliant (Green, IND TEMP per Mouser listing) | Compliant |
| Core Features | — | DSP, FPU (single precision), Thumb-2 instruction set, MPU |
| Performance | — | 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Supply Voltage (VDDIO/VDDCORE) | — | 1.62 V to 3.6 V |
| Backup Supply (VDDBU) | — | 1.62 V to 3.6 V |
| MSL Level | — | 3 (168 hours) |
| Lead-Free / Halogen-Free | — | Yes (per Microchip product page) |