Microchip Technology ATSAM3S4BA-AU Microcontrollers
IC MCU 32BIT 256KB FLASH 64LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAM3S4BA-AU
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 64LQFP
Package
64-LQFP
Lifecycle Status
Active
Datasheet
ATSAM3S4BA-AU Datasheet
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Technical Specifications
Microchip Technology ATSAM3S4BA-AU Microcontrollers technical specifications.
General
RAM Size
48K x 8
RoHS
Yes
Number of Pins
64
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
Related Parts Comparison (ATSAM3S4BA-AU vs ATSAM3S4CA-CU vs ATSAM3S4AA-MU vs ATSAM3S4CA-AUR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 64-LQFP | 100-TFBGA | 48-VFQFN Exposed Pad | 100-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Number of Pins | 64 | 100 | 48 | 100 |
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 48K x 8 | 48K x 8 | 48K x 8 | 48K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, MMC, SPI, SSC, UART/USART, USB | EBI/EMI, I²C, Memory Card, SPI, SSC, UART/USART, USB | I²C, MMC, SPI, SSC, UART/USART, USB | EBI/EMI, I²C, Memory Card, SPI, SSC, UART/USART, USB |
| CPU Type | Cortex-M3 | Cortex-M3 | Cortex-M3 | Cortex-M3 |
| 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 .
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IC MCU 32BIT 256KB FLASH 64LQFP
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