Microchip Technology ATSAM3S4BA-AUR Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 256KB FLASH 64LQFP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAM3S4BA-AUR
Detailed Description
IC MCU 32BIT 256KB FLASH 64LQFP
Package
64-LQFP
Key Features
Package / Case: 64-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATSAM3S4BA-AUR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAM3S4BA-AUR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
48K x 8
Package / Case
64-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O
47
Speed
64MHz
Core Processor
ARM® Cortex®-M3
Alternate Parts Comparison (ATSAM3S4BA-AUR vs ATSAM4SD16CA-AN vs ATSAM4N8BA-AUR vs ATSAM4SD32BA-ANR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 48K x 8 | 160K x 8 | 64K x 8 | 160K x 8 |
| Connectivity | I²C, MMC, SPI, SSC, UART/USART, USB | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, SPI, UART/USART | I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Data Converters | A/D 10x10/12b; D/A 2x12b | A/D 16x12b; D/A 2x12b | A/D 11x10b; D/A 1x10b | A/D 11x12b; D/A 2x12b |
| Number of I/O | 47 | 79 | 47 | 47 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
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