ATSAM4LC4AA-AU
IC MCU 32BIT 256KB FLASH 48TQFP
Embedded Microcontrollers
48-TQFP
SAM4L
Active
$5.20 / unit (market reference)
MOQ: 58 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | ATSAM4LC4AA-AU |
| Package / Case | 48-TQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | ARM® Cortex®-M4 |
| Speed | 48MHz |
| Program Memory Size | 256KB (256K x 8) |
| RAM Size | 32K x 8 |
| Number of I/O | 27 |
| Data Converters | A/D 3x12b; D/A 1x10b |
| Voltage - Supply | 1.68V ~ 3.6V |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Supplier Device Package | 48-TQFP (7x7) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
ATSAM4LC4AA-AU by Rochester Electronics, LLC is a ARM® Cortex®-M4 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 48-TQFP package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
📖 Technical Guides for ATSAM4LC4AA-AU
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →AT32UC3L064-AUR
IC MCU 32BIT 64KB FLASH 48TQFP
AT32UC3L032-AUT
IC MCU 32BIT 32KB FLASH 48TQFP
ATUC64D4-AUT
IC MCU 32BIT 64KB FLASH 48TQFP
ATUC128L4U-AUR
IC MCU 32BIT 128KB FLASH 48TQFP
ATUC64L4U-AUR
IC MCU 32BIT 64KB FLASH 48TQFP
ATUC256L4U-AUR
IC MCU 32BIT 256KB FLASH 48TQFP
All Technical Specifications
| Speed | 48MHz |
| RAM Size | 32K x 8 |
| Core Size | 32-Bit |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Number of I/O | 27 |
| Core Processor | ARM® Cortex®-M4 |
| Data Converters | A/D 3x12b; D/A 1x10b |
| Oscillator Type | Internal |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 1.68V ~ 3.6V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.