


- Manufacturer
- MFR.Part #
- ATSAMD21J18A-AUT
- JLCPCB Part #
- C515529
- Package
- TQFP-64(10x10)
- Description
- -40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 32 Bit 32KB 48MHz 52 ARM Cortex-M0+ Built-in FLASH TQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHS
- EasyEDA Libraries
- ECCN
- 3A991A2
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | Microchip Tech | |
| Package | TQFP-64(10x10) | |
| Operating Temperature | -40℃~+85℃ | |
| DAC (Bit) | 10bit | |
| Program Memory Type | FLASH | |
| RAM Size | 32KB | |
| CPU Core | ARM Cortex-M0+ | |
| Number of I/O | 52 | |
| Oscillator Type | Built-in | |
| CPU Maximum Speed | 48MHz | |
| Program Storage Size | 256KB | |
| Voltage - Supply | 1.62V~3.6V | |
| Core Size | 32 Bit | |
| Features | Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Built-in general-purpose timer、Hardware CRC、Programmable watchdog、Calendar function、Touch function | |
| ADC (Bit) | 12bit |

* Images are for reference only
ATSAMD21J18A-AUT
Extended- Manufacturer
- MFR.Part #
- ATSAMD21J18A-AUT
- JLCPCB Part #
- C515529
- Package
- TQFP-64(10x10)
- Description
- -40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 32 Bit 32KB 48MHz 52 ARM Cortex-M0+ Built-in FLASH TQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHS
- EasyEDA Libraries
- ECCN
- 3A991A2
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
- Manufacturer
- MFR.Part #
- ATSAMD21J18A-AUT
- JLCPCB Part #
- C515529
- Package
- TQFP-64(10x10)
- Description
- -40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 32 Bit 32KB 48MHz 52 ARM Cortex-M0+ Built-in FLASH TQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHS
- EasyEDA Libraries
- ECCN
- 3A991A2
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
ATSAMD21J18A-AUT Specifications
ATSAMD21J18A-AUT technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | Microchip Tech | |
| Package | TQFP-64(10x10) | |
| Operating Temperature | -40℃~+85℃ | |
| DAC (Bit) | 10bit | |
| Program Memory Type | FLASH | |
| RAM Size | 32KB | |
| CPU Core | ARM Cortex-M0+ | |
| Number of I/O | 52 | |
| Oscillator Type | Built-in | |
| CPU Maximum Speed | 48MHz | |
| Program Storage Size | 256KB | |
| Voltage - Supply | 1.62V~3.6V | |
| Core Size | 32 Bit | |
| Features | Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Built-in general-purpose timer、Hardware CRC、Programmable watchdog、Calendar function、Touch function | |
| ADC (Bit) | 12bit |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the ATSAMD21J18A-AUT. Sign up to receive and start your assembly today →
- 1
Step 1 - Pre-order the parts you need from JLCPCB.
- 2
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
- 3
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

ATSAMD21J18A-AUT Documents
ATSAMD21J18A-AUT datasheets or manufacturer documentation.
Datasheet: ATSAMD21J18A-AUT Datasheet (PDF)
ATSAMD21J18A-AUT Schematic Symbol & PCB Footprint
The ATSAMD21J18A-AUT schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.