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ATSAMD20J16B-MN
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 64VQFN
- Series：SAM D20J
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, WDT
- Number of I/O：52
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 20x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°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 ATSAMD20J16B-MN is a 32-bit microcontroller from the SAM D20J series, featuring an ARM Cortex-M0+ core operating at 48MHz. It integrates 64KB of flash memory and 8KB of SRAM within a 64-VQFN package. The device supports a supply voltage range of 2.7V to 5.5V and includes 52 I/O pins. Peripheral interfaces include I2C, SPI, and UART/USART. Analog capabilities consist of twenty 12-bit ADC channels and one 10-bit DAC. It operates within a temperature range of -40°C to 105°C.
Feature Summary
- Integrates an ARM Cortex-M0+ processor for efficient low-power execution
- Provides extensive connectivity through multiple communication interfaces including I2C, SPI, and USART
- Features high-resolution analog conversion with twenty 12-bit ADC channels and a dedicated 10-bit DAC
Applications
- Industrial control systems requiring robust peripheral integration
- Consumer devices utilizing multiple sensor inputs via ADC channels
- Embedded applications needing reliable serial communication protocols
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with required voltage levels and interface configurations before procurement. Cross-reference datasheet revisions for any silicon errata or design changes that may impact implementation.
Selection Notes
Select this component when a balance of processing speed and peripheral count is required in a compact surface-mount package. Consider the 64KB flash capacity for firmware size requirements and verify that the 52 available I/O pins meet system connectivity needs without external multiplexing.
Part Context
This part belongs to the SAM D20 family, designed for cost-sensitive and power-efficient applications. It shares architectural similarities with other SAM D20 variants but offers specific memory and pin counts tailored for mid-range embedded control tasks within the broader Microchip portfolio.
Replacement Considerations
Consult official substitution lists for compatible parts within the SAM D20 series. Verify pinout compatibility and electrical specifications before replacing existing components in established designs.
