ATSAM4S8BA-AU vs ATSAM4S4BA-AU Comparison
Detailed side-by-side comparison of ATSAM4S8BA-AU by Microchip Technology and ATSAM4S4BA-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 ✓ Active
Specification Comparison
| Parameter | ATSAM4S8BA-AU | ATSAM4S4BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M4 | — |
| Core Architecture | 32-bit RISC with DSP extensions | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Maximum Clock Speed | 120 MHz | — |
| Program Memory (Flash) | 512 KB (512K x 8) | — |
| SRAM | 128 KB | 64 KB |
| Instruction Cache | 2 KB | — |
| Operating Voltage | 1.62 V to 3.6 V | — |
| ADC | 12-bit, up to 1 Msps | — |
| USB | USB 2.0 Full-Speed 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) | 64-pin LQFP, 10 x 10 mm |
| Mounting Type | Surface Mount | Surface mount |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| Pin-to-Pin Compatibility | SAM3N, SAM3S, SAM7S legacy (64-/100-pin) | — |
| RoHS Status | Compliant (Green, IND TEMP per Mouser listing) | [DATA_NEEDED: RoHS status] |
| Product Type | — | 32-bit ARM Cortex-M4 microcontroller |
| Maximum Processor Frequency | — | 120 MHz |
| Processor Core | — | Arm Cortex-M4 |
| DSP Support | — | DSP instructions |
| Memory Protection Unit | — | Yes |
| Embedded Flash Memory | — | 256 KB (256K x 8) |
| Flash ECC | — | Embedded ECC |
| Flash Security | — | Security bit and lock bits |
| Flash Architecture | — | Dual-bank Flash |
| Supply Reference | — | 1.2 V and 3.3 V |
| Series | — | SAM4S |
| Architecture | — | 32-bit RISC |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |