Details

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BUY STC15F104E https://www.utsource.net/itm/p/6462120.html
2014-11-11

Parameter	Description	Min	Typ	Max	Unit
VDD	Operating voltage	2.0	-	5.5	V
VIL	Input Low Voltage Level	0	-	0.8	V
VIH	Input High Voltage Level	2.0	-	VDD	V
IOL	Output Low Current	-10	-	-	mA
IOH	Output High Current	-	-	10	mA
fosc	Oscillator Frequency	-	-	24	MHz
TPD	Propagation Delay Time	-	60	-	ns
ISP	In-System Programming Voltage	2.0	-	5.5	V

Instructions for STC15F104E

1. Power Supply:

   • Connect the VDD pin to a power supply within the range of 2.0V to 5.5V.
   • Ensure a stable power source to avoid erratic behavior.

2. Oscillator Configuration:

   • The device supports an external oscillator up to 24MHz. Connect the oscillator between XTAL1 and XTAL2 pins.
   • For lower frequencies or no external oscillator, use internal oscillators as specified in the datasheet.

3. Programming:

   • Use the ISP (In-System Programming) method to program the microcontroller.
   • Apply a programming voltage within the range of 2.0V to 5.5V to the VPP pin during programming.
   • Follow the specific protocol for serial programming as detailed in the manufacturer's programming guide.

4. Input/Output Handling:

   • Set input levels according to VIL and VIH parameters.
   • Do not exceed the maximum output current limits (IOL and IOH).

5. Propagation Delay:

   • Account for a typical propagation delay of 60ns when designing timing-critical applications.

6. Operating Environment:

   • Ensure the operating environment is within the temperature and humidity ranges specified by the manufacturer to maintain reliable operation.

7. Reset Pin:

   • Properly configure the reset pin (RST) with a pull-up resistor to VDD and ensure it can be pulled low to reset the microcontroller if needed.

8. Grounding:

   • Ensure all ground connections are solid and have low impedance to prevent noise interference.

For detailed specifications and advanced configurations, refer to the official STC15F104E datasheet provided by the manufacturer.

(For reference only)