Details

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BUY PIC16F628A-I/SO https://www.utsource.net/itm/p/12532766.html

Parameter	Description	Value	Unit
Package	Type of package	SOIC-18	-
Operating Voltage (VDD)	Supply voltage range	2.0 to 5.5	V
Operating Temperature Range	Temperature range for operation	-40 to +85	°C
Flash Program Memory	Size of program memory	2K x 14	bytes
EEPROM Data Memory	Size of EEPROM data memory	128 x 8	bytes
RAM Data Memory	Size of RAM data memory	256 x 8	bytes
Clock Frequency	Maximum clock frequency	20	MHz
I/O Pins	Number of I/O pins	13	-
Analog-to-Digital Converter (ADC)	Number of ADC channels	13	-
Comparator	Number of comparators	2	-
Timers	Number of timers	2 (8-bit Timer0, 16-bit Timer1)	-
Interrupt Sources	Number of interrupt sources	15	-
Power Consumption	Typical power consumption at 3V, 4MHz	2.5	mA
Low-Power Sleep Mode	Power consumption in sleep mode	0.6	μA
Brown-out Reset (BOR)	Brown-out reset threshold	4.2, 2.7, or 2.0	V
Watchdog Timer (WDT)	Watchdog timer timeout period	18 ms to 2.3 s	-
Internal Oscillator	Internal oscillator frequency	4 MHz	-
Programming Method	In-Circuit Serial Programming (ICSP)	-	-

Instructions for Using the PIC16F628A-I/SO

1. Power Supply:

   • Connect the VDD pin to the positive supply voltage (2.0 to 5.5V).
   • Connect the VSS pin to ground.

2. Clock Configuration:

   • Use the internal 4 MHz oscillator for basic applications.
   • For external crystal or ceramic resonators, connect them between the OSC1 and OSC2 pins.

3. Reset Pin:

   • The MCLR pin can be used as a master clear/reset input. It should be pulled high (VDD) during normal operation.

4. Program Memory:

   • Program the device using In-Circuit Serial Programming (ICSP) via the ICSPDATA and ICSPCLK pins.

5. I/O Configuration:

   • Configure I/O pins as inputs or outputs using the TRIS registers.
   • Use the PORT registers to read or write to the I/O pins.

6. Analog-to-Digital Converter (ADC):

   • Enable the ADC module and select the appropriate channel using the ADCON0 and ADCON1 registers.
   • Start the conversion and read the result from the ADRESH and ADRESL registers.

7. Timers:

   • Configure Timer0 and Timer1 using the T0CON and T1CON registers.
   • Set the prescaler and enable interrupts if needed.

8. Interrupts:

   • Enable global interrupts using the GIE bit in the INTCON register.
   • Enable specific interrupt sources using the corresponding bits in the INTCON and PIE1 registers.
   • Write interrupt service routines (ISRs) to handle interrupts.

9. Brown-out Reset (BOR):

   • Enable BOR in the configuration bits to protect against low-voltage conditions.

10. Watchdog Timer (WDT):

    • Enable the WDT in the configuration bits to prevent the microcontroller from getting stuck in an infinite loop.
    • Clear the WDT periodically in your main loop to prevent a reset.

11. Low-Power Sleep Mode:

    • Enter sleep mode using the SLEEP instruction.
    • Wake up from sleep using an interrupt or a change on a pin configured as an input.

12. Comparator:

    • Configure the comparators using the CMCON register.
    • Use the comparator output for various applications such as level detection or signal conditioning.

By following these instructions, you can effectively use the PIC16F628A-I/SO in your projects.

(For reference only)