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| Lead Time | 20 Weeks , 20 Weeks , 20 Weeks , 20 Weeks , 20 Weeks |
| Flash | 256K , 256K , 256K , 256K , 256K |
| SRAM | 128K , 128K , 128K , 128K , 128K |
| Data Flash | Configurable , Configurable , Configurable , Configurable , Configurable |
| LDROM | 4K , 4K , 4K , 4K , 4K |
| I/O | 16 , 16 , 16 , 16 , 16 |
| Timer | 4*32-bit , 4*32-bit , 4*32-bit , 4*32-bit , 4*32-bit |
| UART | 8 , 8 , 8 , 8 , 8 |
| SPI | 5 , 5 , 5 , 5 , 5 |
| I2C | 3 , 3 , 3 , 3 , 3 |
| PWM | 24*16-bit , 24*16-bit , 24*16-bit , 24*16-bit , 24*16-bit |
| ADC | 12*12-bit , 12*12-bit , 12*12-bit , 12*12-bit , 12*12-bit |
| ISP/ICP/IAP | Yes , Yes , Yes , Yes , Yes |
| Package | LQFP48 , LQFP48 , LQFP48 , LQFP48 , LQFP48 |
| Status | Mass Production , Mass Production , Mass Production , Mass Production , Mass Production |
| Comparator | 2 , 2 , 2 , 2 , 2 |
| RTC | VBAT , VBAT , VBAT , VBAT , VBAT |
| ISO-7816-3 | 1 , 1 , 1 , 1 , 1 |
| DAC | 1*12-bit , 1*12-bit , 1*12-bit , 1*12-bit , 1*12-bit |
| I2S/ AC97 | 3 , 3 , 3 , 3 , 3 |
| PDMA | 41 , 41 , 41 , 41 , 41 |
| EBI | Yes , Yes , Yes , Yes , Yes |
| LIN | 2 , 2 , 2 , 2 , 2 |
| Voltage Adjustable Interface | Y , Y , Y , Y , Y |
| Tamper Detect (pin) | 0 , 0 , 0 , 0 , 0 |
| QEI | 2 , 2 , 2 , 2 , 2 |
| Crypto | AES , AES , AES , AES , AES |
| SD Host | 1 , 1 , 1 , 1 , 1 |
| Operating Temp. Range (¢FXC ) | -40 to +105 , -40 to +105 , -40 to +105 , -40 to +105 , -40 to +105 |
| Camera Interface | 1 , 1 , 1 , 1 , 1 |
The NuMicro® M481 Base series is a high performance, low power microcontroller powered by the Arm® Cortex®-M4F core with DSP extension.
