Details

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BUY PIC16F628AT-I/SO https://www.utsource.net/itm/p/12612220.html

Parameter	Description	Value
Package	Type of package	SOIC (Small Outline IC)
Operating Voltage	Range of supply voltage	2.0V to 5.5V
Operating Temperature	Temperature range for operation	-40掳C to +85掳C
Flash Memory	Size of program memory	2K x 14 bits
RAM	Size of data memory	192 x 8 bits
EEPROM	Size of EEPROM memory	128 x 8 bits
Clock Speed	Maximum clock frequency	20 MHz
I/O Pins	Number of I/O pins	13
Timer/Counters	Number and type of timers/counters	1 x 8-bit Timer, 1 x 16-bit Timer (TMR0, TMR1)
Analog-to-Digital Converter (ADC)	Number of ADC channels and resolution	13 channels, 10-bit
Comparator	Number of comparators	2
Interrupt Sources	Number of interrupt sources	15
Watchdog Timer (WDT)	Watchdog timer	Yes
Power Management	Low-power sleep mode	Yes
Reset	Brown-out reset, power-on reset, watchdog timer reset	Yes
Programming Interface	In-Circuit Serial Programming (ICSP)	Yes
Package Pin Count	Number of pins in the package	18

Instructions for Use

1. Power Supply:

   • Connect Vdd to the positive supply (2.0V to 5.5V).
   • Connect Vss to ground (0V).

2. Clock Configuration:

   • Use an external crystal or resonator for the clock source.
   • Alternatively, use the internal oscillator by setting the appropriate configuration bits.

3. Program Memory:

   • Program the device using the ICSP interface.
   • Ensure the correct programming voltage (Vpp) is applied during programming.

4. I/O Configuration:

   • Configure I/O pins as inputs or outputs using the TRIS register.
   • Set the direction of each pin by writing to the TRIS register (1 for input, 0 for output).

5. Timer/Counter Setup:

   • Initialize the timers/counters by setting the appropriate registers (T0CON, T1CON).
   • Enable interrupts if needed by setting the corresponding bits in the INTCON register.

6. ADC Configuration:

   • Select the ADC channel and configure the ADCON0 and ADCON1 registers.
   • Start the conversion by setting the GO/DONE bit in the ADCON0 register.

7. Comparator Setup:

   • Configure the comparators by setting the CMCON register.
   • Use the comparator outputs as needed.

8. Interrupt Handling:

   • Enable global interrupts by setting the GIE bit in the INTCON register.
   • Enable specific interrupt sources by setting the corresponding bits in the PIE1 and PIE2 registers.

9. Low-Power Modes:

   • Enter sleep mode by executing the SLEEP instruction.
   • Wake up from sleep mode using an interrupt or external reset.

10. Reset Conditions:

    • The device can be reset using a brown-out reset, power-on reset, or watchdog timer reset.
    • Ensure the reset circuitry is properly configured to avoid unintended resets.

11. Watchdog Timer:

    • Enable the watchdog timer by setting the WDTEN bit in the configuration word.
    • Clear the watchdog timer periodically to prevent a reset.

12. Brown-Out Reset:

    • Enable the brown-out reset by setting the BOREN bit in the configuration word.
    • Adjust the brown-out voltage threshold using the BORV bits in the configuration word.

13. Programming and Debugging:

    • Use a compatible programmer and debugger to write and test your code.
    • Refer to the Microchip documentation for specific programming and debugging tools.

For detailed information, refer to the Microchip datasheet and application notes for the PIC16F628A.

(For reference only)