PIC16F721T-I/SS Microchip Technology, PIC16F721T-I/SS Datasheet - Page 237

• Manufacturer Part Number: PIC16F721T-I/SS
• Description: 7 KB FLASH, 256 B SRAM, 18 I/O 20 SSOP .209in T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F721T-I/SS

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 7KB (4K x 14)
• 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MPLAB PM3 Device Programmer .................................... 186
MPLAB REAL ICE In-Circuit Emulator System................. 185
MPLINK Object Linker/MPLIB Object Librarian ................ 184
O
OPCODE Field Descriptions ............................................. 173
OPTION Register ................................................................ 22
OPTION_REG Register ...................................................... 93
OSCCON Register .............................................................. 69
Oscillator
Oscillator Module
Oscillator Parameters ....................................................... 198
Oscillator Specifications .................................................... 198
OSCTUNE Register ............................................................ 70
P
P (Stop) bit ........................................................................ 159
Packaging ......................................................................... 225
Paging, Program Memory ................................................... 24
PCL and PCLATH ............................................................... 24
PCL Register................................................................. 17, 18
PCLATH Register ......................................................... 17, 18
PCON Register ....................................................... 18, 23, 32
PIE1 Register ................................................................ 18, 41
PIR1 Register................................................................ 17, 42
PMADRH Register ............................................................ 167
PMADRL Register............................................................. 168
PMCON1 Register .................................................... 166, 168
PMDATH Register ............................................................ 167
PMDATL Register ............................................................. 167
PORTA................................................................................ 47
PORTA Register ................................................................. 48
PORTB
PORTB Register ................................................................. 57
PORTC
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Associated registers............................................ 71, 106
EC ............................................................................... 67
Oscillator Tuning ......................................................... 70
Marking ..................................................................... 225
PDIP Details.............................................................. 226
Computed GOTO........................................................ 24
Stack ........................................................................... 24
ANSELA Register ....................................................... 49
Associated Registers .................................................. 55
Pin Descriptions and Diagrams................................... 50
PORTA Register ......................................................... 17
RA0 ............................................................................. 50
RA1 ............................................................................. 50
RA2 ............................................................................. 50
RA3 ............................................................................. 50
RA4 ............................................................................. 50
RA5 ............................................................................. 50
RA6 ............................................................................. 50
Specifications............................................................ 199
Additional Pin Functions
Associated Registers .................................................. 61
Interrupt-on-Change.................................................... 56
Pin Descriptions and Diagrams................................... 59
PORTB Register ......................................................... 17
RB0 ............................................................................. 59
RB4 ............................................................................. 59
RB5 ............................................................................. 59
RB6 ............................................................................. 59
RB7 ............................................................................. 59
ANSELB Register ............................................... 56
Weak Pull-up ...................................................... 56
PORTC Register................................................................. 62
Power-Down Mode (Sleep)............................................... 169
Power-on Reset .................................................................. 29
Power-up Timer (PWRT) .................................................... 29
PR2 Register .............................................................. 18, 148
Precision Internal Oscillator Parameters .......................... 199
Prescaler
Product Identification System ........................................... 243
Program Memory ................................................................ 13
Program Memory Read (PMR) ......................................... 161
Programming, Device Instructions.................................... 173
R
R/W bit .............................................................................. 159
RCREG............................................................................. 125
RCSTA Register ................................................... 17, 61, 128
Reader Response............................................................. 242
Read-Modify-Write Operations ......................................... 173
Receive Overflow Indicator bit (SSPOV) .................. 146, 158
Registers
PORTC Register......................................................... 17
RC0 ............................................................................ 64
RC2 ............................................................................ 64
RC3 ............................................................................ 64
RC4 ............................................................................ 64
RC5 ............................................................................ 64
RC6 ............................................................................ 64
RC7 ............................................................................ 64
Specifications ........................................................... 199
Associated Registers................................................ 170
Specifications ........................................................... 201
Shared WDT/Timer0................................................... 92
Map and Stack (PIC16F720/LF720) ........................... 13
Map and Stack (PIC16F721/LF721) ........................... 13
Paging ........................................................................ 24
Associated Registers................................................ 168
ADCON0 (ADC Control 0) .......................................... 81
ADCON1 (ADC Control 1) .......................................... 82
ADRES (ADC Result) ................................................. 82
ANSELA (PORTA Analog Select) .............................. 49
ANSELB (PORTB Analog Select) .............................. 58
CCPxCON (CCP Operation) .................................... 109
FVRCON (Fixed Voltage Reference Register) ........... 87
INTCON (Interrupt Control) ........................................ 40
IOCB (Interrupt-on-Change PORTB).......................... 58
OPTION_REG (OPTION)........................................... 22
OPTION_REG (Option) .............................................. 93
OSCCON (Oscillator Control)..................................... 69
OSCTUNE (Oscillator Tuning).................................... 70
PCON (Power Control Register)................................. 23
PCON (Power Control) ............................................... 32
PIE1 (Peripheral Interrupt Enable 1) .......................... 41
PIR1 (Peripheral Interrupt Register 1) ........................ 42
PMADRH (Program Memory Address High) ............ 167
PMADRL (Program Memory Address Low).............. 168
PMCON1 (Program Memory Control 1) ................... 166
PMDATH (Program Memory Data High) .................. 167
PMDATL (Program Memory Data Low).................... 167
PORTA ....................................................................... 48
PORTB ....................................................................... 57
PORTC ....................................................................... 62
RCSTA (Receive Status and Control) ...................... 128
Reset Values .............................................................. 34
Reset Values (Special Registers)............................... 36
SSPCON (Sync Serial Port Control) Register .. 146, 158
SSPSTAT (Sync Serial Port Status) Register .. 147, 159
PIC16F/LF720/721
DS41430A-page 237