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"通用性MCU产品具有较高的性能、丰富的功能模块、较强的抗干扰能力和多种封装形式，可为不同产品的应用提供具有性价比的产品。
| Part No. | VDD | ROM | RAM | TIMER | OSC | I/O | INT | ADC | PWM | PKG | OTHER |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BL21P01 | 2.4~5.5V | 1 | 48B | 2 | 325kHz~4MHz IRC 4MHz | 12 | 1 | 1CH | SOP14, SOP8, TSSOP8, SOT23-6 | BUZZER, CMP, KBI, STOP | |
| BL23M1610 | 1.8~5.5V | 16 | 512B | 3 | IRC 8MHz | 22 | 4 | 13CH | 3CH | QFN24, SOP20, QFN20 | WAIT, UART, STOP, KBI, I2C, CMP |
| BL23M1620 | 1.8~5.5V | 16 | 512B | 3 | ILRC 32KHz, IRC 8MHz | 30 | 4 | 16CH | 3CH | QFN32, SOP28, SOP32 | WAIT, UART, STOP, KBI, I2C, CMP |
| BL23P42 | 2.4~5.5V | 4 | 128B | 2 | ILRC 32KHz, IRC 8MHz | 18 | 4 | 17CH | 2CH | QFN20, SOP20, SOP16 | UART, CMP, KBI, WAIT, STOP |
| BL23P516 | 1.8~3.6V | 16 | 512B | 3 | ILRC 32KHz, IRC 8MHz | 49 | 4 | 5CH | LQFP48, LQFP64 | UART, CMP, STOP, WAIT, KBI, LCD |
