ATSAMC20J18A-ANT vs ATSAMC21J18A-ANT Comparison
Detailed side-by-side comparison of ATSAMC20J18A-ANT by Microchip Technology and ATSAMC21J18A-ANT 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
ATSAMC20J18A-ANT - 256KB Flash Cortex-M0+ MCU, 48MHz, 64-TQFP | Microchip
ATSAMC20J18A-ANT ✓ ActiveMicrochip Technology
ATSAMC21J18A-ANT - 32-bit ARM Cortex-M0+ MCU 48MHz CAN-FD | Microchip
ATSAMC21J18A-ANT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC20J18A-ANT | ATSAMC21J18A-ANT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $4.10 |
| Core | ARM Cortex-M0+ | — |
| Bit Width | 32-bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory Size | 256 KB Flash | — |
| EEPROM Emulation | 8 KB independent Flash block | — |
| RAM Size | 32 KB SRAM | — |
| Supply Voltage (VDDIO) | 2.7 V to 5.5 V (5V tolerant I/O) | — |
| Number of I/O Pins | 52 (approx.) | — |
| ADC | 12-bit, multiple channels | — |
| DAC | 10-bit | — |
| Communication Interfaces | 6x SERCOM (USART/I2C/SPI), CAN-FD, I2S | — |
| Touch Controller | Peripheral Touch Controller (PTC) | — |
| Package | 64-TQFP (10x10 mm) with exposed pad | 64-pin TQFP, 10x10 mm |
| Operating Temperature Range | -40C to +105C | — |
| Mounting Type | Surface Mount | Surface Mount, Tape & Reel (-ANT) |
| MPU | Memory Protection Unit | — |
| Trace | Micro Trace Buffer | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0+ (32-bit, single-core) |
| Family / Series | — | SAM C21, Functional Safety (FuSa) |
| Maximum CPU Clock | — | 48 MHz |
| Flash Memory | — | 256 KB (in-system self-programmable) |
| SRAM | — | 32 KB |
| EEPROM Emulation Area | — | 8 KB independent self-programmable Flash block |
| Supply Voltage | — | 2.7 V to 5.5 V (5 V-tolerant I/O) |
| Operating Temperature | — | -40 C to +105 C |
| Communication Peripherals | — | CAN-FD, USB 2.0 FS device, 6x SERCOM (UART/SPI/I2C) |
| Analog | — | 12-bit ADC (up to 16 channels), 2x analog comparators, PTC |
| Hardware Multiplier | — | Single-cycle (32-bit result) |
| Memory Protection Unit (MPU) | — | Yes |
| Debug Interface | — | SWD + Micro Trace Buffer |
| I/O Pins (approximate) | — | [DATA_NEEDED: exact GPIO count for 64-TQFP] |