ATSAMD21E16B-UUTB4 vs ATSAMC21G18A-AUT Comparison
Detailed side-by-side comparison of ATSAMD21E16B-UUTB4 by Microchip Technology and ATSAMC21G18A-AUT 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
ATSAMD21E16B-UUTB4 - 48MHz Cortex-M0+ MCU, 64KB Flash | WLCSP-32
ATSAMD21E16B-UUTB4 ✓ ActiveMicrochip Technology
ATSAMC21G18A-AUT - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMC21G18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E16B-UUTB4 | ATSAMC21G18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 64 KB | — |
| SRAM | 8 KB | — |
| Supply Voltage | 1.62 V to 3.63 V | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +85 C | -40C to +125C (automotive grade) |
| Package | 32-ball WLCSP | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit |
| DAC | 2x 12-bit | 10-bit |
| SERCOM Modules | 6 (configurable as I2C/SPI/UART/USART) | — |
| USB | USB 2.0 Full-Speed Device/Host with on-chip transceiver | — |
| Timers/Counters | TCC (6 PWM), TC (3x 16-bit), RTC | — |
| External Interrupts | 16 lines + 1 NMI | — |
| Debug Interface | Serial Wire Debug (SWD) | — |
| MSL Level | MSL1 (per WLCSP handling) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Core Size | — | 32-Bit |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory Size | — | 256 KB (256K x 8) Flash |
| EEPROM Emulation Region | — | 8 KB independent self-programmable Flash |
| RAM Size | — | 32 KB SRAM |
| I/O Voltage Tolerance | — | 5V-tolerant digital I/O |
| Communication Interfaces | — | SERCOM (UART/SPI/I2C), CAN-FD, I2S |
| AEC-Q100 | — | Qualified (Grade 1, automotive) |
| Lead-Free | — | Yes |