PIC16F721-I/ML Microchip Technology, PIC16F721-I/ML Datasheet - Page 7

• 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

REGISTER 3-2:
 2011 Microchip Technology Inc.
bit 13
bit 6
Legend:
R = Readable bit
-n = Value for blank device
bit 13
bit 12
bit 11-10 Unimplemented: Read as ‘1’
bit 9-8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1-0
Note 1: Debug bit is ignored when code-protect is enabled (CP= 0).
DEBUG
R/P-1
R/P-1
CP
2: Fixed Voltage Reference is automatically enabled whenever the BOR is enabled.
DEBUG
0 = Background debugger is enabled
1 = Background debugger is disabled
PLLEN: INTOSC PLL Enable bit
0 = INTOSC Frequency is 500 kHz
1 = INTOSC Frequency is 16 MHz (32x)
BOREN<1:0>: Brown-out Reset Enable bits
0x = Brown-out Reset disabled (Preconditioned State)
10 = Brown-out Reset enabled during operation and disabled in Sleep
11 = Brown-out Reset enabled
Unimplemented: Read as ‘1’
CP: Flash Program Memory Code Protection bit
PIC16F720/721
0 = 0000h to 07FFh/0FFFh code protection on
1 = Code protection off
MCLRE: RA3/MCLR/V
1 = RA3/MCLR/V
0 = RA3/MCLR/V
PWRTE: Power-up Timer Enable bit
0 = PWRT enabled
1 = PWRT disabled
WDTEN: Watchdog Timer Enable bit
0 = WDT disabled
1 = WDT enabled
Unimplemented: Read as ‘1’
FOSC<1:0>: Oscillator Selection bits
11 = EC oscillator: CLKO function on RA4/CLKO pin, CLKI on RA5/CLKI
10 = EC oscillator: I/O function on RA4/CLKO pin, CLKI on RA5/CLKI
01 = INTOSC oscillator: CLKO function on RA4/CLKO pin, I/O function on RA5/CLKI
00 = INTOSCIO oscillator: I/O function on RA4/CLKO pin, I/O function on RA5/CLKI
( 1)
(1)
: Debugger Mode bit
MCLRE
PLLEN
R/P-1
CONFIGURATION WORD 1
R/P-1
PP
PP
pin function is MCLR; Weak pull-up enabled.
pin function is digital input; MCLR internally disabled; Weak pull-up disabled
PP
W = Writable bit
1 = Bit is set
U = Unimplemented bit, read as ‘1’
Pin Function Select bit
PWRTE
R/P-1
U-1
—
Advance Information
WDTEN
(2)
R/P-1
U-1
—
BOREN1
PIC16(L)F720/721
R/P-0
U-1
—
0 = Bit is cleared
x = Bit is unknown
BOREN0
FOSC1
R/P-0
R/P-1
DS41409B-page 7
FOSC0
R/P-1
U-1
—
bit 7
bit 0