PIC16F874A-I/ML Microchip Technology, PIC16F874A-I/ML Datasheet - Page 12

• Manufacturer Part Number: PIC16F874A-I/ML
• Description: IC MCU FLASH 4KX14 A/D 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874A-I/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F87XA
FIGURE 2-5:
DS39589C-page 12
Report Program
Configuration
Word Error
(Set PC=2000h)
Configuration
Program ID
Chip Erase
Command
Increment
Location?
Address
Start
Load
Data
No
No
FLOWCHART – PIC16F87XA CONFIGURATION MEMORY (4.5V  V
End
No
Yes
Data Correct?
Address =
Command
Command
Command
Increment
Increment
Increment
Program Four
Programming
Address
Address
Address
2004h?
Locations
Report
Failure
Yes
Yes
Advance Information
No
Yes
(Config. Word)
Configuration
Read Data
Read Data
Data Correct?
Command
Command
Program
Address =
Command
Increment
Load
Data
Address
2003h?
Yes
No
Command
Increment
Address
CONFIGURATION WORD
FOUR LOCATIONS
 2010 Microchip Technology Inc.
Erase/Program
PROGRAM
PROGRAM
Wait tprog2
Load Data
Command
Command
No
(8 ms)
Begin
Start
End
Program Only
Programming
Four Loads
Wait tprog1
Command
Command
Command
Load Data
Done?
(1 ms)
Begin
Start
End
DD
End
Yes
 5.5V)