PIC16F721-I/ML Microchip Technology, PIC16F721-I/ML Datasheet - Page 22

• Manufacturer Part Number: PIC16F721-I/ML
• Description: MCU PIC 4K FLASH 20-QFN
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F721-I/ML

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 17
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-VFQFN Exposed Pad
• Controller Family/series: PIC16F
• No. Of I/o's: 18
• Ram Memory Size: 256Byte
• Cpu Speed: 16MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16(L)F720/721
6.0
Code protection is controlled using the CP bit in
Configuration Word 1. When code protection is
enabled, all program memory locations 0000h-0FFFh
for the PIC16F/LF720 and 0000h-07FFh for the
PIC16F/LF721 will read as ‘0’ and further programming
of the program memory is disabled. Program memory
can still be read by user code during program
execution.
The user ID locations and Configuration Words can be
programmed and read out regardless of the code
protection settings.
6.1
Code protection is enabled by programming the CP bit
in Configuration Word 1 to ‘0’.
6.2
The only way to disable code protection is to use the
Bulk Erase Program Memory command.
DS41409B-page 22
CODE PROTECTION
Enabling Code Protection
Disabling Code Protection
Advance Information
 2011 Microchip Technology Inc.