PIC16F721-I/ML Microchip Technology, PIC16F721-I/ML Datasheet - Page 8

• 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
REGISTER 3-3:
DS41409B-page 8
bit 13
bit 6
Legend:
R = Readable bit
-n = Value for blank device
bit 13-5 Unimplemented: Read as ‘1’
bit 4
bit 3-2
bit 1-0
Note 1: For the PIC16F720/721 only.
U-1
U-1
—
—
VCAPEN
Unimplemented: Read as ‘1’
WRT<1:0>: Flash Memory Self-Write Protection bits
2 kW Flash memory: PIC16F/LF720 :
4 kW Flash memory: PIC16F/LF721:
0 = V
1 = All V
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to 7FFh may be modified by PMCON control
01 = 000h to 3FFh write protected, 400h to 7FFh may be modified by PMCON control
00 = 000h to 7FFh write protected, no addresses may be modified by PMCON control
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to FFFh may be modified by PMCON control
01 = 000h to 7FFh write protected, 800h to FFFh may be modified by PMCON control
00 = 000h to FFFh write protected, no addresses may be modified by PMCON control
( 1)
CAP
CONFIGURATION WORD 2
: Voltage Regulator Capacitor Enable bits
U-1
U-1
CAP
—
—
functionality is enabled on RA2. (V
pin functions are disabled (Erased or Preconditioned State)
W = Writable bit
1 = Bit is set
U = Unimplemented bit, read as ‘1’
VCAPEN
R/P-1
U-1
—
Advance Information
U-1
U-1
—
—
DDCORE
is connected to the pad)
U-1
U-1
—
—
0 = Bit is cleared
x = Bit is unknown
 2011 Microchip Technology Inc.
WRT1
R/P-1
U-1
—
WRT0
R/P-1
U-1
—
bit 7
bit 0