PIC16F819-I/SO Microchip Technology Inc., PIC16F819-I/SO Datasheet - Page 31

• Manufacturer Part Number: PIC16F819-I/SO
• Description: 18 PIN, 3.5 KB FLASH, 256 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F819-I/SO

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 16
• Interface: I2C/SPI
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin SOIC
• Programmable Memory: 3.5K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

EXAMPLE 3-4:
 2004 Microchip Technology Inc.
ERASE_ROW
;
BANKSEL EEADRH
MOVF
MOVWF
MOVF
MOVWF
BANKSEL EECON1
BSF
BSF
BSF
BCF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
NOP
NOP
BCF
BCF
BSF
ERASING A FLASH PROGRAM MEMORY ROW
ADDRH, W
EEADRH
ADDRL, W
EEADR
EECON1, EEPGD
EECON1, WREN
EECON1, FREE
INTCON, GIE
55h
EECON2
AAh
EECON2
EECON1, WR
EECON1, FREE
EECON1, WREN
INTCON, GIE
; Select Bank of EEADRH
;
; MS Byte of Program Address to Erase
;
; LS Byte of Program Address to Erase
; Select Bank of EECON1
; Point to PROGRAM memory
; Enable Write to memory
; Enable Row Erase operation
; Disable interrupts (if using)
;
; Write 55h
;
; Write AAh
; Start Erase (CPU stall)
; Any instructions here are ignored as processor
; halts to begin Erase sequence
; processor will stop here and wait for Erase complete
; after Erase processor continues with 3rd instruction
; Disable Row Erase operation
; Disable writes
; Enable interrupts (if using)
PIC16F818/819
DS39598E-page 29