Microchip Technology ATSAM4LS4AA-AU Microcontrollers
IC MCU 32BIT 256KB FLASH 48TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAM4LS4AA-AU
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 48TQFP
Package
48-TQFP
Lifecycle Status
Active
Datasheet
ATSAM4LS4AA-AU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAM4LS4AA-AU Microcontrollers technical specifications.
General
RAM Size
32K x 8
Package / Case
48-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.68V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O
32
Speed
48MHz
Core Processor
ARM® Cortex®-M4
Alternate Parts Comparison (ATSAM4LS4AA-AU vs ATSAM4LS4A vs ATSAM4LS4CA-AU vs ATSAM4LS4AA-MU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 48-TQFP | -- | 100-TQFP | 48-VFQFN Exposed Pad |
| Operating Temperature | -40°C ~ 85°C (TA) | -- | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.68V ~ 3.6V | -- | 1.68V ~ 3.6V | 1.68V ~ 3.6V |
| Core Processor | ARM® Cortex®-M4 | -- | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | -- | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | -- | 32K x 8 | 32K x 8 |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB | -- | I²C, IrDA, LINbus, SPI, UART/USART, USB | I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Data Converters | A/D 3x12b; D/A 1x10b | -- | A/D 15x12b; D/A 1x10b | A/D 3x12b; D/A 1x10b |
| Oscillator Type | Internal | -- | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | -- | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Program Memory Size | 256KB (256K x 8) | -- | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | -- | Flash | Flash |
| 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
CY8C4148AZQ-S453Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 256KB FLASH 100TQFP
MK22DX256VLF5NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 48LQFP
MK12DX256VLF5NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 48LQFP
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