| Touch Flash MCU | | | | | | | | | | | | | | | | | | | Part No. | Internal Clock | VDD | System Clock | Program Memory | Data Memory | Data EEPROM | I/O | Timer | Touch Key | High Current LED Driver | Inter-face | LVR | Stack | Package | | | | | BS83A02A-4 | 8MHz | 2.2V~5.5V | 8MHz | 1K×16 | 96×8 | — | 4 | 8-bit×1 | 2 | — | — | 2.10V | 4 | 6DFN SOT23-6, 8SOP | | | | | BS83A04A-3 | 8MHz | 2.7V~5.5V | 8MHz | 1K×16 | 96×8 | — | 8 | 8-bit×1 | 4 | — | — | 2.55V | 4 | 8SOP, 10MSOP | | | | | BS83A04A-4 | 2.2V~5.5V | 2.10V | | | | | | | | | | | | | | | | | BS83B04A-4 | 8MHz | 2.2V~5.5V | 8MHz | 2K×16 | 128×8 | 32×8 | 8 | 8-bit×1 | 4 | — | I2C×1 | 2.10V | 4 | 8SOP, 10MSOP | | | | | BS83B08A-3 | 8MHz 12MHz 16MHz | 2.7V~5.5V |
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