| Series | NuMicro M261 |
| Package | Tray |
| Part Status | Active |
| Core Processor | ARM® Cortex®-M23 |
| Core Size | 32-Bit |
| Speed | 64MHz |
| Connectivity | EBI/EMI, Ethernet, I²C, LINbus, SCI, SmartCard, SPI, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, LVR, POR, PWM, WDT |
| Number of I/O | 107 |
| Program Memory Size | 512KB (512K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 96K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.7V ~ 3.6V |
| Data Converters | A/D 16x12b SAR; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 128-LQFP |
| Supplier Device Package | 128-LQFP (14x14) |
