| 型号 | 规格书 | 订购 |
| ATSAML21G18A-AUT |  |
在线订购 |
| ATSAML21G18A-MUT | |
在线订购 |
| 产品参数 | |
| 描述 | ARM Cortex-M0+ based ultra-low-power microcontroller with 256KB Flash, 40KB SRAM, 48 MHz, six 16-bit timer\/counters, DMA, six SERCOMs, USB Host and Device, 14-channel 12-bit ADC, 2-channel 12-bit DAC, 48 pins |
| Flash (Kbytes) | 256 Kbytes |
| USB Transceiver | 1 |
| Ext Interrupts | 16 |
| Max I/O Pins | 37 |
| Hardware QTouch Acquisition | Yes |
| CPU | Cortex-M0+ |
| Max Operating Freq (MHz) | 48 MHz |
| Pin Count | 48 |
| USB Speed | Full Speed |
| Quadrature Decoder Channels | 0 |
| Ethernet | 0 |
| SSC | 0 |
| I2S | No |
| UART | 6 |
| TWI (I2C) | 6 |
| SPI | 6 |
| USB Interface | Host, Device |
| ADC channels | 14 |
| ADC Speed (ksps) | 1000 |
| ADC Resolution (bits) | 12 |
| Camera Interface | No |
| Video Decoder | No |
| Graphic LCD | No |
| SD / eMMC | 0 |
| DAC Resolution (bits) | 12 |
| DAC Channels | 2 |
| Resistive Touch Screen | No |
| Analog Comparators | 2 |
| SRAM (Kbytes) | 32 |
| Temp Sensor | Yes |
| DRAM Memory | No |
| External Bus Interface | 0 |
| EEPROM (Bytes) | 0 |
| Temp Range (deg C) | -40 to 85 |
| Debug Interface | SWD |
| picoPower | Yes |
| NAND Interface | No |
| Operating Voltage (Vcc) | 1.62 to 3.63 |
| FPU | No |
| MPU / MMU | no / no |
| Output Compare channels | 20 |
| Timers | 6 |
| PWM Channels | 20 |
| Input Capture Channels | 8 |
| Watchdog | Yes |
| Calibrated RC Oscillator | Yes |
| RTC | RTC|Counter/Clock+Cal |
| 32kHz RTC | Yes |
| ISP | Yes |
| Self Program Memory | 8 |
| Crypto Engine | AES/TRNG |
| LIN | 6 |
| # of Touch Channels | 96 |
| ADC Gain Stage | opAmps |
| Diff ADC Inputs | 8 |
