PIC16LF720_11 Datasheet, PDF (235/244 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16(L)F720/721
INDEX
A
A/D
Specifications.................................................... 203, 204
Absolute Maximum Ratings .............................................. 187
AC Characteristics
Industrial and Extended ............................................ 196
Load Conditions ........................................................ 195
ADC .................................................................................... 77
Acquisition Requirements ........................................... 83
Associated registers.................................................... 85
Block Diagram............................................................. 77
Calculating Acquisition Time....................................... 83
Channel Selection....................................................... 78
Configuration............................................................... 78
Configuring Interrupt ................................................... 80
Conversion Clock........................................................ 78
Conversion Procedure ................................................ 80
Internal Sampling Switch (RSS) Impedance................ 83
Interrupts..................................................................... 79
Operation .................................................................... 79
Operation During Sleep .............................................. 80
Port Configuration ....................................................... 78
Source Impedance...................................................... 83
Special Event Trigger.................................................. 80
ADCON0 Register......................................................... 17, 81
ADCON1 Register......................................................... 18, 82
Addressable Universal Synchronous Asynchronous
Receiver Transmitter (AUSART)............................... 119
ADRES Register ................................................................. 82
ADRESH Register............................................................... 17
Analog-to-Digital Converter. See ADC
ANSELA Register ............................................................... 49
ANSELB Register ............................................................... 58
Assembler
MPASM Assembler................................................... 184
AUSART ........................................................................... 119
Associated Registers
Baud Rate Generator........................................ 129
Asynchronous Mode ................................................. 121
Associated Registers
Receive..................................................... 126
Transmit.................................................... 123
Baud Rate Generator (BRG) ............................ 129
Receiver............................................................ 123
Setting up 9-bit Mode with Address Detect....... 125
Transmitter........................................................ 121
Baud Rate Generator (BRG)
Baud Rate Error, Calculating ............................ 129
Baud Rates, Asynchronous Modes .................. 130
Formulas ........................................................... 129
High Baud Rate Select (BRGH Bit) .................. 129
Synchronous Master Mode ............................... 132, 136
Associated Registers
Receive..................................................... 135
Transmit.................................................... 133
Reception.......................................................... 134
Transmission .................................................... 132
Synchronous Slave Mode
Associated Registers
Receive..................................................... 137
Transmit.................................................... 136
Reception.......................................................... 137
Transmission .................................................... 136
B
BF bit ........................................................................ 147, 159
Block Diagrams
(CCP) Capture Mode Operation ............................... 110
ADC ............................................................................ 77
ADC Transfer Function............................................... 84
Analog Input Model..................................................... 84
AUSART Receive ..................................................... 120
AUSART Transmit .................................................... 119
CCP PWM ................................................................ 114
Clock Source .............................................................. 67
Compare................................................................... 112
Interrupt Logic............................................................. 37
MCLR Circuit .............................................................. 29
On-Chip Reset Circuit................................................. 27
RA0 Pins..................................................................... 51
RA1 Pins..................................................................... 52
RA2 Pin ...................................................................... 53
RA4 Pin ...................................................................... 54
RA5 Pin ................................................................ 54, 55
RB0 Pin ...................................................................... 59
RB3 Pin ...................................................................... 60
RC0 Pin ...................................................................... 64
RC5 Pin ...................................................................... 65
RC6 Pin ...................................................................... 65
RC7 Pin ...................................................................... 65
SPI Mode.................................................................. 140
SSP (I²C Mode)........................................................ 149
Timer1 ................................................ 95, 101, 102, 103
Timer2 ...................................................................... 107
TMR0/WDT Prescaler ................................................ 91
Brown-out Reset (BOR)...................................................... 31
Specifications ........................................................... 201
Timing and Characteristics ....................................... 200
C
C Compilers
MPLAB C18.............................................................. 184
Capture Module. See Capture/Compare/PWM (CCP)
Capture/Compare/PWM (CCP) ........................................ 109
Associated registers w/ Capture............................... 111
Associated registers w/ Compare............................. 113
Associated registers w/ PWM................................... 117
Capture Mode........................................................... 110
CCPx Pin Configuration............................................ 110
Compare Mode......................................................... 112
CCPx Pin Configuration.................................... 112
Software Interrupt Mode ........................... 110, 112
Special Event Trigger ....................................... 112
Timer1 Mode Selection............................. 110, 112
Prescaler .................................................................. 110
PWM Mode............................................................... 114
Duty Cycle ........................................................ 115
Effects of Reset ................................................ 116
Example PWM Frequencies and
Resolutions, 20 MHZ ................................ 116
Example PWM Frequencies and
Resolutions, 8 MHz .................................. 116
Operation in Sleep Mode.................................. 116
Setup for Operation .......................................... 116
System Clock Frequency Changes .................. 116
PWM Period ............................................................. 115
Setup for PWM Operation ........................................ 116
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Preliminary
DS41430B-page 235