
An embedded Flash type 1T 8051-based CMOS microcontroller running up to 24MHz.
The NuMicro MG51 series is an embedded Flash type 1T 8051-based microcontroller. It supports 16/24 MHz core speed and features up to 32 Kbytes Flash memory, 256 Bytes of RAM and 1 Kbyte of auxiliary RAM (XRAM), 4 Kbytes of Flash loader memory (LDROM), 2.4V to 5.5V operating voltage, and -40°C to105°C operating temperature.
MG51 series is equipped with rich features such as 4 sets of 16-bit Timers, 8 channels of 500k SPS 12-bit ADC, 6 channels of PWM, 2 sets of UARTs, 1 set of SPI, 1 set of I2C MG51 series is suitable for high-reliability industrial and consumer applications.
MG51 series offers two package types, TSSOP-20 and QFN-20.
Target applications: Home appliances, LED lighting controls, Motor controls and Industrial automation
| Part Number | Flash (KB) | SRAM (KB) | LDROM (KB) | I/O | Timer | PWM | UART | SPI | I²C |
| MG51FB9AE | 16 | 1.25 | 4 | 18 | 4 | 6 | 2 | 1 | 1 |
| MG51XB9AE | 16 | 1.25 | 4 | 18 | 4 | 6 | 2 | 1 | 1 |
| MG51FC9AE | 32 | 1.25 | 4 | 18 | 4 | 6 | 2 | 1 | 1 |
| MG51XC9AE | 32 | 1.25 | 4 | 18 | 4 | 6 | 2 | 1 | 1 |

