| ADC Channels | 20 |
| ADC Resolution | 12bit |
| ADCs | 1 (20 x 12 bit) |
| Data Bus Width | 8bit |
| Device Core | CIP-51 |
| Dimensions | 5.1 x 5.1 x 0.75mm |
| Family Name | EFM8UB |
| Height | 0.75mm |
| Instruction Set Architecture | MCU |
| Length | 5.1mm |
| Maximum Frequency | 50MHz |
| Maximum Operating Temperature | +85 ?C |
| Minimum Operating Temperature | -40 ?C |
| Mounting Type | Surface Mount |
| Number of ADC Units | 1 |
| Number of I2C Channels | 1 |
| Number of SPI Channels | 1 |
| Number of Timers | 5 |
| Number of UART Channels | 2 |
| Package Type | QFN |
| Pin Count | 28 |
| Program Memory Size | 16 kB |
| Program Memory Type | Flash |
| Pulse Width Modulation | 1 |
| RAM Size | 2.304 kB |
| Timer Resolution | 16bit |
| Timers | 5 x 16 bit |
| Typical Operating Supply Voltage | 2.2 ? 3.6 V |
| USB Channels | 1 |
| Width | 5.1mm |