Microchip Technology ATSAML21J18A-AUT Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 256KB FLASH 64TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAML21J18A-AUT
Detailed Description
IC MCU 32BIT 256KB FLASH 64TQFP
Package
64-TQFP
Key Features
Package / Case: 64-TQFP; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
ATSAML21J18A-AUT Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAML21J18A-AUT Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
SAM L21J
RAM Size
32K x 8
RoHS
True
Package / Case
64-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.63V
Lifecycle Status
Obsolete
Peripherals
DMA, POR, PWM, WDT
Number of I/O
51
Alternate Parts Comparison (ATSAML21J18A-AUT vs ATSAMC20J17A-ANTS2 vs PIC18F67K90-I/PT vs PIC16LF19197-I/PT)
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-TQFP | 64-TQFP | 64-TQFP | 64-TQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| 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 ~ 3.63V | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 3.6V |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | PIC | PIC |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 8-Bit | 8-Bit |
| RAM Size | 32K x 8 | 16K x 8 | 4K x 8 | 4K x 8 |
| Connectivity | I²C, LINbus, SCI, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART | I²C, LINbus, SPI, UART/USART | I²C, LINbus, SPI, UART/USART |
| Data Converters | A/D 20x12b; D/A 2x12b | A/D 12x12b | A/D 16x12b | A/D 45x12b; D/A 1x5b |
| Number of I/O | 51 | 52 | 53 | 59 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, LCD, POR, PWM, WDT | Brown-out Detect/Reset, LCD, POR, PWM, WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MKL26Z256VLH4NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 64LQFP
MKL27Z256VLH4NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 64LQFP
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.