ATSAM3S4CA-AU vs ATSAM3A4CA-AU Comparison

Detailed side-by-side comparison of ATSAM3S4CA-AU by Microchip Technology and ATSAM3A4CA-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
ATSAM3S4CA-AU ATSAM3S4CA-AU - 64MHz Cortex-M3 256KB MCU | Microchip

ATSAM3S4CA-AU - 64MHz Cortex-M3 256KB MCU | Microchip

ATSAM3S4CA-AU ✓ Active
Microchip Technology
ATSAM3A4CA-AU ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip

ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip

ATSAM3A4CA-AU ✓ Active

Specification Comparison

Parameter ATSAM3S4CA-AU ATSAM3A4CA-AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Product Type 32-bit ARM Cortex-M3 flash microcontroller —
Processor Core ARM Cortex-M3 —
Maximum CPU Frequency 64 MHz —
Flash Memory 256 KB —
Flash Organization 256K x 8 bits —
SRAM 48 KB —
Bit Width 32 bits —
Series SAM3S SAM3A
Package 100-lead LQFP, 14 mm x 14 mm 100-LQFP (14 x 14 mm)
Mounting Type Surface mount Surface Mount
Temperature Grade Industrial temperature —
Supply Voltage Range [DATA_NEEDED: supply voltage range] —
GPIO Count [DATA_NEEDED: GPIO count] —
UART Count [DATA_NEEDED: UART count] —
SPI Count [DATA_NEEDED: SPI count] —
I2C Count [DATA_NEEDED: I2C count] —
ADC Resolution [DATA_NEEDED: ADC resolution] —
Operating Temperature Range [DATA_NEEDED: operating temperature range] —
RoHS Status [DATA_NEEDED: RoHS status] —
REACH Status [DATA_NEEDED: REACH status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification] —
Core Processor — ARM Cortex-M3 revision 2.0
Core Size — 32-bit
Maximum Clock Speed — 84 MHz
Program Memory Size — 256 KB (2 x 128 KB banks)
Program Memory Type — FLASH
RAM Size — 64 KB (2 x 32 KB banks)
Supply Voltage — 1.62 V to 3.6 V
Data Converters — A/D 16x12-bit; D/A 2x12-bit
Connectivity — CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB
Oscillator Type — Internal
Memory Protection — MPU (Memory Protection Unit)
Instruction Set — Thumb-2
SysTick Counter — 24-bit
Operating Temperature — -40C to +85C

Datasheets & Resources

Browse All Products Create BOM Request Quote