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ATSAMD51J19A-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 64VQFN
- Series：SAM D51
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4F
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM
- Number of I/O：51
- Program Memory Size：512KB (512K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：192K x 8
- Voltage - Supply (Vcc/Vdd)：1.71V ~ 3.63V
- Data Converters：A/D 24x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-VQFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMD51J19A-MU is a Microchip Technology ARM microcontroller within the SAM D51 series. It features an ARM Cortex-M4F core operating at a maximum clock frequency of 120 MHz. The device includes 512 kB of Flash program memory and 192 kB of SRAM data RAM. It provides 51 general-purpose I/O pins and supports a supply voltage range from 1.71 V to 3.6 V. The component is housed in a QFN-64 package and is rated for an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrates an ARM Cortex-M4F processor core with floating-point unit capabilities for efficient signal processing.
- Includes high-resolution analog peripherals featuring 24-channel 12-bit ADCs and dual 12-bit DACs.
- Supports multiple communication interfaces including SPI, USART, I2C, LIN, and USB connectivity.
Applications
- Industrial control systems requiring robust MCU performance
- Medical devices utilizing precise analog signal acquisition
- Smart energy metering applications
- Consumer electronics with USB interface requirements
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with AEC-Q100 automotive qualification standards if required by the design specifications. Confirm moisture sensitivity levels and handling procedures prior to assembly.
Selection Notes
Select this component when a balance of processing power and memory capacity is needed for complex embedded tasks. The 512 kB Flash and 192 kB RAM support substantial codebases and data buffers. The QFN-64 package offers a compact footprint suitable for space-constrained designs requiring numerous I/O connections.
Part Context
This part belongs to the SAM D51 family of 32-bit microcontrollers based on the ARM Cortex-M4F architecture. The family is designed for applications demanding high performance and low power consumption. The J19 variant specifically denotes the 512 kB Flash configuration within the product line.
Replacement Considerations
Consult official Microchip cross-reference tools or datasheets for verified equivalent parts. Substitutions must match core architecture, memory size, and package dimensions to ensure pin compatibility and functional equivalence.
