ATSAM3S4BA-AUR vs ATSAM3S1BB-AU Comparison

Detailed side-by-side comparison of ATSAM3S4BA-AUR by Microchip Technology and ATSAM3S1BB-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
ATSAM3S4BA-AUR ATSAM3S4BA-AUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip

ATSAM3S4BA-AUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip

ATSAM3S4BA-AUR ✓ Active
Microchip Technology
ATSAM3S1BB-AU ATSAM3S1BB-AU - 64MHz Cortex-M3 MCU 64KB Flash | Microchip (Tape & Reel)

ATSAM3S1BB-AU - 64MHz Cortex-M3 MCU 64KB Flash | Microchip (Tape & Reel)

ATSAM3S1BB-AU ✓ Active

Specification Comparison

Parameter ATSAM3S4BA-AUR ATSAM3S1BB-AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Processor ARM Cortex-M3 (32-bit RISC) ARM Cortex-M3
Core Size 32-bit 32-Bit Single-Core
Maximum Clock Frequency 64 MHz 64 MHz
Program Memory Size 256KB (256K x 8) Flash —
RAM Size 49KB SRAM —
Supply Voltage Range 1.62 V to 3.6 V —
Supply Voltage (Typical) 1.8 V / 3.3 V —
Connectivity HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB —
DMA Yes (peripheral DMA controller) —
Package 64-LQFP (10x10 mm) 64-LQFP (10x10 mm)
Mounting Type Surface Mount Surface Mount
Pin Count 64 —
Operating Temperature [DATA_NEEDED: operating temperature range] -40C to +85C (Industrial)
Series SAM3S (SAM3S4B) SAM3S
Pin Compatibility Pin-to-pin compatible with SAM3N4B and SAM7S64 —
MSL Level [DATA_NEEDED: moisture sensitivity level] —
RoHS Status Compliant (RoHS/Green per distributor listings) Compliant (Green, per Mouser listing)
ECCN / HTS [DATA_NEEDED: ECCN] —
Flash Memory — 64KB (64K x 8)
SRAM — 16KB
Packaging — Tape & Reel (AUR suffix)
Terminal Form — Gull Wing
Terminal Count — 64
Package Shape — Square
Supply Voltage — [DATA_NEEDED: Supply Voltage Range]
Number of I/O — [DATA_NEEDED: Number of I/O]
Peripherals — [DATA_NEEDED: Peripheral List]
MSL Rating — [DATA_NEEDED: Moisture Sensitivity Level]

Datasheets & Resources

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