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ATSAMDA1G14B-MBT
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Product Detailed Parameters
- Description：IC MCU 32BIT 16KB FLASH 48VQFN
- Series：SAM DA1, Functional Safety (FuSa)
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, SCI, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：38
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：4K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 3.63V
- Data Converters：A/D 14x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-QFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMDA1G14B-MBT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48MHz. It features 16KB of Flash memory and 4KB of SRAM. The device includes an internal oscillator and supports a supply voltage range of 2.7V to 3.63V. Analog capabilities consist of fourteen 12-bit ADC channels and one 10-bit DAC. Connectivity options include I2C, SPI, UART/USART, USB, and I2S interfaces. It is housed in a 48-VQFN package with dimensions of 7x7mm and operates within a temperature range of -40°C to 105°C.
Feature Summary
- Integrated functional safety (FuSa) design compliant with automotive standards for reliable operation in critical applications.
- Built-in full-speed USB interface supporting device and host modes for versatile connectivity.
- Includes dedicated peripherals such as DMA, PWM, and watchdog timer for efficient system control.
Applications
- Automotive body electronics and lighting control systems
- Industrial motor control and automation devices
- Consumer appliances requiring functional safety compliance
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing firmware libraries for the SAM DA1 series. Confirm availability through authorized distributors to avoid counterfeit components. Check for any recent product change notices affecting pinout or electrical characteristics.
Selection Notes
Select this component when automotive functional safety certification is required alongside low power consumption. The 48MHz speed and integrated USB make it suitable for responsive user interfaces. Compare with non-FuSa variants if safety certification is not mandatory to optimize cost. Ensure the 48-pin QFN footprint fits the target PCB layout constraints.
Part Context
This part belongs to the SAM DA1 family, which focuses on functional safety for automotive and industrial markets. It shares architectural similarities with other Cortex-M0+ MCUs but adds specific safety mechanisms and qualification standards. The series targets applications needing robust performance in harsh environments.
Replacement Considerations
Direct substitutes may include other ATSAMDA1 variants with different memory sizes or packages. Verify pin-to-pin compatibility before swapping. Non-automotive equivalents like ATSAMD21 lack FuSa features and should only be considered if safety requirements are relaxed.
