Description
Analog Characteristics
| Item | Details |
|---|---|
| Resolution | 24 – bit |
| Integrated Amplifier | Internally integrated programmable gain amplifier |
| ADC Output Rate | 30Hz ~ 3.9KHz |
| Charge Pump | Internal charge pump |
| Regulator | Internal regulator for sensor and modulator |
Characteristics of Dedicated Microcontroller
| Item | Details |
|---|---|
| Power – on Reset (POR) | Included |
| Power – on Reset Delay Timer | 39ms |
| Low – Voltage Reset (LVR) | Internal low – voltage reset |
| Timer | Included |
| Programmable Counter | 8 – bit programmable prescaler with 8 – bit timing counter |
| Watchdog Timer (WDT) | Extended watchdog timer |
| Time Range | Programmable time range |
Peripheral Characteristics
| Item | Details |
|---|---|
| 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 |
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