| I/O Ports |
14 – bit bidirectional I/O ports |
| Buzzer Output |
1 – channel buzzer output |
| LCD Driver |
4×12 LCD driver |
| Clock Source |
Optional internal oscillator or WDT oscillator as clock source, supports external 32.768KHz crystal, timing 0.5 seconds |
| LCD Waveforms |
Two different LCD drive waveforms selectable |
| Bias Voltage Generation |
Different bias voltage generation methods selectable |
| External Interrupts |
2 external interrupts |
| Low – Voltage Detection (LVD) Pin |
Internal 2.4V, 2.5V, 2.6V, 2.7V, 2.8V, 3.6V voltage comparison |
| Low – Voltage Programming Control Circuit |
Internal low – voltage programming control circuit, minimum 2.5V for self – programming |
评价
目前还没有评价