ATSAMD21J17A-AUT vs ATSAMD21J18A-CU Comparison
Detailed side-by-side comparison of ATSAMD21J17A-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
ATSAMD21J17A-AUT - SAM D21 Cortex-M0+ 48MHz MCU | Microchip
ATSAMD21J17A-AUT β ActiveMicrochip Technology
ATSAMD21J18A-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU β ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AUT | ATSAMD21J18A-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.30 | $2.52 |
| Series | SAM D21 | β |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Core Size | 32-Bit | β |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) | β |
| SRAM | 16 KB | 32 KB |
| RWW Flash Partition | 4 KB | β |
| Supply Voltage (VDDIN) | 1.6 V to 3.6 V | β |
| Operating Temperature | -40C to +85C (automotive grade) | -40C to +85C (Industrial / GREEN) |
| Package | 64-TQFP (10x10 mm) | 64-ball UFBGA (CU), 5x5 mm |
| Mounting Type | Surface Mount | Surface Mount (BGA) |
| Number of I/O | 52 (approx.) | β |
| SERCOM Interfaces | 6 (configurable I2C/SPI/UART) | β |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 1 MSPS, up to 12 analog inputs |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| USB | USB 2.0 Full-Speed Device/Host | USB 2.0 Full-Speed Device with on-chip PHY |
| Timers | Four 16-bit TCC/TC | β |
| RTC | 32-bit | β |
| Peripheral Touch (PTC) | Yes | β |
| Automotive Grade | Yes (-AUT suffix) | β |
| RoHS Status | Compliant | Compliant (GREEN) |
| MSL Level | 3 (per JEDEC J-STD-020) | 3 (per JEDEC J-STD-020) |
| 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 |