Description
High-Performance RISC CPU
| Feature | Details |
|---|---|
| Type | 8-bit single-chip MCU |
| OTP ROM | Built-in 4K×16 one-time programmable read-only memory |
| SRAM | 256-byte data random-access memory |
| Instruction Set | Only 39 single-byte instructions |
| Stack | 8-level storage stack |
Analog Characteristics
| Feature | Details |
|---|---|
| Resolution | 24-bit resolution |
| Amplifier | Internally integrated programmable gain amplifier |
| ADC Output Rate | ADC output rate 30Hz ~ 3.9KHz |
| Charge Pump | Internal charge pump |
| Regulator | Internal regulator for sensor and modulator |
Characteristics of Dedicated Microcontroller
| Feature | Details |
|---|---|
| Power-On Reset (POR) | Included |
| Reset Delay Timer | Power-on reset delay timer (39ms) |
| Low-Voltage Reset (LVR) | Internal low-voltage reset |
| Timer | 8-bit programmable prescaler with 8-bit timing counter |
| Watchdog Timer (WDT) | Extended watchdog timer – programmable time range |
Peripheral Characteristics
| Feature | 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 |
| 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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