PIC16F722-I/SS Microchip Technology, PIC16F722-I/SS Datasheet - Page 24

• Manufacturer Part Number: PIC16F722-I/SS
• Description: IC PIC MCU FLASH 2KX14 28-SSOP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F722-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 28-SSOP
• 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: 25
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 11x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: I2C/SCI/SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 11-ch x 8-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPAC164307 - MODULE SKT FOR PM3 28SSOP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F72X/PIC16LF72X
7.3.2
With the code protection enabled, the checksum is
computed in the following manner. The Configuration
Words are summed (all unused Configuration bits are
masked to ‘0’) with the Least Significant nibble of the
user ID’s.
EXAMPLE 7-2:
DS41332C-page 24
PIC16F726 Configuration Word 1
CODE PROTECTION ENABLED
Configuration Word 1 mask
Configuration Word 2
Configuration Word 2 mask
User ID (2000h)
User ID (2001h)
User ID (2002h)
User ID (2003h)
Checksum
CHECKSUM COMPUTED WITH CODE PROTECTION ENABLED
= 2A03h +0020h + 0003h + 0007h + 000Bh + 000Fh
= 2A47h
= (2A83h and 3F7Fh) + (3FEFh and 0030h) + (0123h and 000Fh) +
(4567h and 000Fh) + (89ABh and 000Fh) +(CDEFh and 000Fh)
Advance Information
0123h
4567h
89ABh
CDEFh
2A83h
3F7Fh
3FEFh
0030h
 2010 Microchip Technology Inc.