PIC16F777-I/P Microchip Technology, PIC16F777-I/P Datasheet - Page 118

• Manufacturer Part Number: PIC16F777-I/P
• Description: IC PIC MCU FLASH 8KX14 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F777-I/P

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K x 14)
• Package / Case: 40-DIP (0.600", 15.24mm)
• 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: 36
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: AUSART/CCP/I2C/MSSP/SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3DBF777 - BOARD DAUGHTER ICEPIC3DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD444-1001 - DEMO BOARD FOR PICMICRO MCU
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
7.7
DS31007A-page 7-6
Write Verify
Depending on the application, good programming practice may dictate that the value written to
the Data EEPROM be verified
should be used in applications where an EEPROM bit will be stressed near the specification limit.
The Total Endurance disk will help determine your comfort level.
Example 7-3: Write Verify
READ
;
; Is the value written (in W reg) and read (in EEDATA) the same?
;
BCF
:
:
MOVF
BSF
BSF
BCF
SUBWF EEDATA, W
BTFSS STATUS, Z
GOTO
:
:
STATUS, RP0 ; Bank0
EEDATA, W
STATUS, RP0 ; Bank1
EECON1, RD
STATUS, RP0 ; Bank0
WRITE_ERR
(Example
; Any code can go here
;
; Must be in Bank0
; YES, Read the value written
;
; Is difference 0?
; NO, Write error
; YES, Good write
; Continue program
7-3) as the value that was intended to be written. This
1997 Microchip Technology Inc.