ATSAMC21G16A-AUT vs ATSAMD20G16B-AN Comparison
Detailed side-by-side comparison of ATSAMC21G16A-AUT by Microchip Technology and ATSAMD20G16B-AN by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMC21G16A-AUT - 48MHz Cortex-M0+ MCU, 64KB Flash, 48-TQFP | Microchip
ATSAMC21G16A-AUT β ActiveMicrochip Technology
ATSAMD20G16B-AN - 64KB Flash ARM Cortex-M0+ MCU 48MHz | Microchip
ATSAMD20G16B-AN β ActiveSpecification Comparison
| Parameter | ATSAMC21G16A-AUT | ATSAMD20G16B-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.35 | $1.71 |
| Core Architecture | ARM Cortex-M0+ (32-bit, single-core with optional lockstep for FuSa) | β |
| Family | SAM C21 Functional Safety (FuSa) | β |
| Maximum CPU Frequency | 48 MHz | β |
| Program Flash Memory | 64 KB (64K x 8) | β |
| SRAM | 8 KB | 8 KB |
| Supply Voltage (VDD) | 2.7 V to 5.5 V | β |
| Supply Voltage (VDDIO) | 1.62 V to 5.5 V | β |
| Operating Temperature Grade | -40C to +85C (Grade 1) | β |
| Package | 48-TQFP (7x7 mm, 0.5 mm pitch) | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount, Tape & Reel (-AUT suffix) | Surface Mount |
| SERCOM Modules | 6 (configurable as USART/I2C/SPI) | 6 (configurable as I2C/SPI/USART) |
| CAN-FD Controller | 1 (ISO 11898-1:2015 compliant) | β |
| USB Interface | USB 2.0 Full-Speed Device/Host | β |
| ADC Resolution | 12-bit, up to 16 channels | β |
| DAC Resolution | 10-bit, 1 channel | β |
| Timer/Counters | TC x6, TCC x3 (16-bit PWM) | β |
| Operating Temperature Range | -40C to +125C (extended industrial) | β |
| AEC-Q100 Qualification | Yes (Automotive Grade 1) | β |
| RoHS Status | Compliant | Compliant |
| Core | β | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | β | 48 MHz |
| CoreMark/MHz | β | 2.46 |
| Flash Program Memory | β | 64 KB (64K x 8) |
| Supply Voltage Range | β | 1.6 V to 3.6 V |
| Operating Temperature | β | -40 C to +105 C |
| I/O Pins | β | 38 |
| ADC | β | 12-bit, up to 350 ksps |
| DAC | β | 10-bit |
| Peripheral Touch Controller (PTC) | β | 256 channels |
| Timers/Counters | β | 6 x 16-bit |
| Comparators | β | 2 analog |
| USB | β | Full-Speed USB 2.0 Device with on-chip transceiver |
| RTC | β | Yes (32.768 kHz domain) |
| MSL Level | β | 3 (per JEDEC J-STD-020) |