| Customization: | Available |
|---|---|
| Conductive Type: | Bipolar Integrated Circuit |
| Integration: | 8-DIP |
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High-Performance 8-Bit Microcontroller with EEPROM, Watchdog Timer and Flexible Oscillator Options
This 8-bit microcontroller is designed for reliable embedded control applications requiring low power consumption, stable operation, and long-term data retention. It integrates essential system control functions such as real-time clock/counter, Power-On Reset, Watchdog Timer, EEPROM data memory, and multiple oscillator options, making it suitable for industrial control, consumer electronics, home appliances, and general embedded system designs.
The device includes an 8-bit real-time clock/counter (TMR0) with an 8-bit programmable prescaler, allowing flexible timing and counting functions. This feature enables designers to implement delay generation, event counting, periodic timing control, and other basic timing-related tasks without adding external components.
To improve system stability and startup reliability, the microcontroller provides both Power-On Reset (POR) and Device Reset Timer (DRT) functions. These built-in reset features help ensure that the device starts in a known condition when power is applied, reducing the risk of unstable startup behavior and improving overall system reliability.
For additional protection during software execution, the device also integrates a Watchdog Timer (WDT) with its own on-chip RC oscillator. Because the watchdog operates independently from the main system clock, it can reliably monitor system activity and automatically recover the microcontroller in the event of software lock-up or unexpected operating conditions. This is especially valuable in industrial and unattended applications where long-term stable performance is critical.
The microcontroller supports programmable code protection, helping prevent unauthorized reading or copying of application code. This feature is important for protecting intellectual property and maintaining product security in commercial and industrial applications.
It also includes EEPROM data memory with excellent endurance and retention performance. The EEPROM supports up to 1,000,000 erase/write cycles, allowing frequent parameter updates and non-volatile data storage during operation. In addition, the stored data can be retained for more than 40 years, making the device suitable for long-life products that require reliable storage of calibration data, user settings, configuration parameters, or operational records.
To meet the needs of low-power applications, the device offers a power-saving SLEEP mode. In this mode, power consumption is greatly reduced, which is ideal for battery-powered or energy-sensitive systems. The microcontroller can also wake up from SLEEP on pin change, allowing external signals or events to reactivate the device quickly without continuous active operation. This helps extend battery life while maintaining system responsiveness.
Ease of hardware design is further improved through internal weak pull-ups on I/O pins and an internal pull-up on the MCLR pin. These integrated features reduce the need for external resistors, simplify PCB design, lower BOM cost, and help improve signal stability in many applications.
Another key advantage of this microcontroller is its selectable oscillator options, giving designers flexibility to optimize cost, performance, and power consumption according to application requirements. Supported oscillator modes include:
INTRC: Internal 4 MHz RC oscillator, suitable for low-cost and compact designs
EXTRC: External low-cost RC oscillator
XT: Standard crystal/resonator for accurate clock performance
LP: Low-power, low-frequency crystal mode for power-saving applications
These multiple oscillator choices allow the device to be used in a wide range of embedded products, from simple low-cost control systems to applications requiring improved timing stability.
Thanks to its combination of reliable reset functions, watchdog protection, high-endurance EEPROM, low-power operation, flexible wake-up capability, internal pull-ups, and multiple oscillator configurations, this microcontroller is an excellent solution for many embedded control applications.
Main Features:
8-bit real-time clock/counter (TMR0) with 8-bit programmable prescaler
Power-On Reset (POR)
Device Reset Timer (DRT)
Watchdog Timer (WDT) with independent on-chip RC oscillator
Programmable code protection
EEPROM data memory with 1,000,000 erase/write cycles
EEPROM data retention of over 40 years
Power-saving SLEEP mode
Wake-up from SLEEP on pin change
Internal weak pull-ups on I/O pins
Internal pull-up on MCLR pin
Selectable oscillator options: INTRC, EXTRC, XT, LP
Typical Applications:
Industrial control systems
Consumer electronics
Home appliances
Alarm and security devices
Small embedded controllers
Battery-powered electronic products
General-purpose automation systems
| Product Introduction |
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