Details

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BUY STC12C5202AD https://www.utsource.net/itm/p/8029600.html

Parameter	Description	Value/Range
Operating Voltage (VCC)	Supply voltage range	2.0V to 5.5V
Operating Frequency	Maximum operating frequency	Up to 33MHz
Flash Memory	Program memory size	2K Bytes
SRAM	Data memory size	256 Bytes
EEPROM	Internal EEPROM size	None
I/O Ports	Number of programmable I/O lines	14
Timer/Counters	Number of timers/counters	2
UART	Universal asynchronous receiver/transmitter	1
Watchdog Timer	On-chip watchdog timer	Yes
Power-down Modes	Low power modes available	Idle, Power Down
Package Type	Chip package	DIP-20, PDIP-20, TSSOP-20

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage is within the specified range of 2.0V to 5.5V.

2. Clock Configuration:

   • Connect an external crystal or use an internal oscillator depending on the desired operating frequency up to 33MHz.

3. Programming:

   • Use a compatible programmer to upload code into the 2K Bytes of flash memory.
   • Follow the manufacturer's guidelines for programming protocols and voltages.

4. I/O Configuration:

   • Configure the 14 I/O lines as inputs or outputs through software settings.
   • Utilize internal pull-up resistors if necessary.

5. Timer/Counter Setup:

   • Initialize the two timers/counters via software to perform timing or counting tasks.

6. UART Communication:

   • Set up the UART for serial communication using standard baud rates.

7. Watchdog Timer:

   • Enable the watchdog timer in software to prevent system lockup.

8. Power Management:

   • Implement idle or power-down modes to reduce power consumption when not actively processing.

9. Package Handling:

   • Handle the DIP-20, PDIP-20, or TSSOP-20 packages with care to avoid damage to pins and ensure proper insertion into sockets or PCBs.

(For reference only)