ATSAMD21J18A-AUT vs ATSAMD21J18A-CU Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AUT by Microchip Technology and ATSAMD21J18A-CU 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
ATSAMD21J18A-AUT - 32-bit Cortex-M0+ MCU 256KB Flash 64-TQFP | Microchip
ATSAMD21J18A-AUT β ActiveMicrochip Technology
ATSAMD21J18A-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU β ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AUT | ATSAMD21J18A-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.63 | $2.52 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Max CPU Clock | 48 MHz | β |
| Program Memory (Flash) | 256 KB | β |
| SRAM | 32 KB | 32 KB |
| Operating Voltage (VDDIN) | 1.62 V to 3.63 V | β |
| I/O Voltage (VDDIO) | 1.62 V to 3.63 V | β |
| Package | 64-pin TQFP (10x10 mm) | 64-ball UFBGA (CU), 5x5 mm |
| GPIO Count | 52 | β |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | 12-bit, up to 1 MSPS, up to 12 analog inputs |
| DAC | 10-bit, 350 ksps, 1 channel | 10-bit, 1 channel |
| Analog Comparators | 2 | β |
| SERCOM | 6 (each configurable as UART/SPI/I2C) | β |
| USB | USB 2.0 Full-Speed Device/Host with on-chip transceiver | USB 2.0 Full-Speed Device with on-chip PHY |
| Timers | 6 x 16-bit TC, 1 x 24-bit TCC, 1 x 32-bit RTC | β |
| PTC (Touch Controller) | Yes | β |
| DMA Channels | 12 | β |
| Operating Temperature | -40 C to +85 C (industrial, AUT grade) | -40C to +85C (Industrial / GREEN) |
| RoHS Status | Compliant | Compliant (GREEN) |
| AEC-Q100 | Not qualified (AUT = tape & reel, not automotive grade) | β |
| Lead-Free / Halogen-Free | Yes (Green) | β |
| Maximum CPU Frequency | β | 48 MHz |
| CoreMark/MHz | β | 2.46 |
| Flash Memory | β | 256 KB |
| Operating Voltage | β | 1.62 V to 3.6 V |
| SERCOM Channels | β | 6 (configurable as UART/SPI/I2C) |
| Timers/Counters | β | Up to 8 TC channels (24-bit), 3 TCC channels (16-bit) |
| I/O Pins | β | Up to 52 GPIO (depending on package) |
| On-chip Oscillator | β | 48 MHz DFLL48M with PLL |
| Mounting Type | β | Surface Mount (BGA) |
| MSL Level | β | 3 (per JEDEC J-STD-020) |