Microchip Technology ATSAMD20J18A-MU Microcontrollers
IC MCU 32BIT 256KB FLASH 64QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMD20J18A-MU
Series
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 64QFN
Package
64-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATSAMD20J18A-MU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMD20J18A-MU Microcontrollers technical specifications.
General
RAM Size
32K x 8
Package / Case
64-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Peripherals
Brown-out Detect/Reset, POR, WDT
Number of I/O
52
Speed
48MHz
Core Processor
ARM® Cortex®-M0+
Program Memory Type
Flash
Alternate Parts Comparison (ATSAMD20J18A-MU vs ATSAMD20J14A-MN vs ATSAMD20J18A-AUT vs ATSAMD20J18A-MUT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-LQFP | 64-VFQFN Exposed Pad |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | 2K x 8 | 32K x 8 | 32K x 8 |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Data Converters | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, WDT |
| Program Memory Size | 256KB (256K x 8) | 16KB (16K x 8) | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.