Description
High-Performance RISC CPU
| Feature | Details |
|---|---|
| Type | 8-bit single-chip MCU |
| OTP ROM | Built-in 8K×16 one-time programmable read-only memory |
| SRAM | 384-byte data random-access memory |
| Instruction Set | Only 43 single-byte instructions |
| Stack | 8-level storage stack |
| Instruction Cycle | Fastest instruction cycle 2MHz |
Analog Characteristics
| Feature | Details |
|---|---|
| ADC Type | 2-channel 24-bit Sigma-Delta ADC |
| PGA | Built-in 1/2/4/8/64/128/256/512 gain PGA |
| ADC Output Rate | ADC output rate 30Hz ~ 3.9KHz |
| Charge Pump | Internal charge pump |
| Regulator | Internal regulator for sensor and modulator |
| Built-in Sensor | Built-in temperature sensor |
Characteristics of Dedicated Microcontroller
| Feature | Details |
|---|---|
| Power-On Reset (POR) | Included |
| Reset Delay Timer | Power-on reset and hardware reset delay timer (39ms) |
| Low-Voltage Reset (LVR) | Internal low-voltage reset |
| Timers | – Timer 0: 8-bit programmable prescaler with 8-bit timer – Timer/Counter 1: 8-bit programmable prescaler with 8-bit timer – Timer/Counter 4: 8-bit programmable prescaler with 16-bit timer – Timer/Counter 5: 8-bit programmable prescaler with 16-bit timer |
| Watchdog Timer (WDT) | Extended watchdog timer (32K WDT) – programmable time range |
Peripheral Characteristics
| Feature | Details |
|---|---|
| I/O Ports | 16-bit bidirectional I/O ports |
| Buzzer Output | 4-channel buzzer output |
| PWM Output | 3-channel PWM output |
| Interrupts | 7 internal interrupts, 2 external interrupts |
| Inputs with Wake-Up Function | 5 inputs with wake-up function |
| LCD Driver | 4×32/6×30 LCD driver |
| UART | 1-channel UART |
| Low-Voltage Programming Control Circuit | Internal low-voltage programming control circuit, minimum 2.5V for self-programming |
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