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Manufacturer Part #
ATSAMD21G18A-AU
SAMD21G Series 256 kB Flash 32 kB SRAM 48 MHz 32-Bit Microcontroller - TQFP-48
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| Mfr. Name: | Microchip | ||||||||||
| Standard Pkg: | Product Variant Information section Available PackagingPackage Qty:250 per Tray Package Style:TQFP-48 Mounting Method:Surface Mount | ||||||||||
| Date Code: | 2347 | ||||||||||
Microchip ATSAMD21G18A-AU - Product Specification
Shipping Information:
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PCN Information:
Description of Change:Qualification of QMI519 as a new die attach material and CuPdAu as a new bond wire material for various products available in PLCC, QSOP, SOIC, SOIJ, SSOP, TSSOP, MQFP, TQFP, DFN, QFN, QFN-S, SQFN, TDFN, UDFN, UQFN, VDFN, VQFN, WQFN and TQFP packages assembled at MP3A, MTAI and MMT sites.Reason for Change:To improve manufacturability by qualifying QMI519 as a new die attach to standardize the use of PFAS free material and CuPdAu as a new bond wire material.September 03, 2025 (date code: 2536)
Description of Change:The following updates were performed in this revision:? Updated the document throughout to reflect new silicon revisions H, I, and J? Removed obsolete Data Sheet Clarifications? Added errata Device: 1.5.9 One-Time Programmable LockPlease be advised that this is a change to the document only the product has not been changed.Reason for Change: To Improve Productivity
Notification Status: FinalDescription of Change:The following errata were added:– SERCOM: 1.15.15 USART in Auto-Baud Mode– TC: 1.17.3 DMA TriggerImpacts to Data Sheet: NoneChange Implementation Status: CompleteDate Document Changes Effective: 07 Oct 2022NOTE: Please be advised that this is a change to the document only the product has not been changed.Markings to Distinguish Revised from Unrevised Devices::N/A
Part Status:
Microchip ATSAMD21G18A-AU - Technical Attributes
| Family Name: | SAMD21G |
| Core Processor: | ARM Cortex M0+ |
| Program Memory Type: | Flash |
| Flash Size (Bytes): | 256kB |
| RAM Size: | 32kB |
| Speed: | 48MHz |
| No of I/O Lines: | 38 |
| InterfaceType / Connectivity: | I2C/LIN/SPI/UART/USART |
| Peripherals: | Brown-out Detect/DMA/I2S/POR/PWM/Reset/Watchdog |
| Number Of Timers: | 6 |
| Supply Voltage: | 1.62V to 3.6V |
| Operating Temperature: | -40°C to +85°C |
| On-Chip ADC: | 14-chx12-bit |
| On-Chip DAC: | 1-chx10-bit |
| Watchdog Timers: | 1 |
| Package Style: | TQFP-48 |
| Mounting Method: | Surface Mount |
Features & Applications
Available Packaging
Package Qty:
250 per Tray
Package Style:
TQFP-48
Mounting Method:
Surface Mount
