PIC16F720_13 Datasheet, PDF (243/254 Pages) Microchip Technology – 20-Pin Flash Microcontrollers

INDEX
A
A/D
Specifications.................................................... 202, 203
Absolute Maximum Ratings .............................................. 185
AC Characteristics
Industrial and Extended ............................................ 194
Load Conditions ........................................................ 193
ADC .................................................................................... 75
Acquisition Requirements ........................................... 81
Associated registers.................................................... 83
Block Diagram............................................................. 75
Calculating Acquisition Time....................................... 81
Channel Selection....................................................... 76
Configuration............................................................... 76
Configuring Interrupt ................................................... 78
Conversion Clock........................................................ 76
Conversion Procedure ................................................ 78
Internal Sampling Switch (RSS) Impedance................ 81
Interrupts..................................................................... 77
Operation .................................................................... 77
Operation During Sleep .............................................. 78
Port Configuration ....................................................... 76
Source Impedance...................................................... 81
Special Event Trigger.................................................. 78
ADCON0 Register......................................................... 16, 79
ADCON1 Register......................................................... 17, 80
Addressable Universal Synchronous Asynchronous
Receiver Transmitter (AUSART)............................... 117
ADRES Register ................................................................. 80
ADRESH Register............................................................... 16
Analog-to-Digital Converter. See ADC
ANSELA Register ............................................................... 47
ANSELB Register ............................................................... 56
Assembler
MPASM Assembler................................................... 182
AUSART ........................................................................... 117
Associated Registers
Baud Rate Generator........................................ 127
Asynchronous Mode ................................................. 119
Associated Registers
Receive..................................................... 124
Transmit.................................................... 121
Baud Rate Generator (BRG) ............................ 127
Receiver............................................................ 121
Setting up 9-bit Mode with Address Detect....... 123
Transmitter........................................................ 119
Baud Rate Generator (BRG)
Baud Rate Error, Calculating ............................ 127
Baud Rates, Asynchronous Modes .................. 128
Formulas ........................................................... 127
High Baud Rate Select (BRGH Bit) .................. 127
Synchronous Master Mode ............................... 130, 134
Associated Registers
Receive..................................................... 133
Transmit.................................................... 131
Reception.......................................................... 132
Transmission .................................................... 130
Synchronous Slave Mode
Associated Registers
Receive..................................................... 135
Transmit.................................................... 134
Reception.......................................................... 135
Transmission .................................................... 134
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PIC16(L)F720/721
B
BF bit ........................................................................ 145, 157
Block Diagrams
(CCP) Capture Mode Operation ............................... 108
ADC ............................................................................ 75
ADC Transfer Function............................................... 82
Analog Input Model..................................................... 82
AUSART Receive ..................................................... 118
AUSART Transmit .................................................... 117
CCP PWM ................................................................ 112
Clock Source .............................................................. 65
Compare................................................................... 110
Interrupt Logic............................................................. 35
MCLR Circuit .............................................................. 27
On-Chip Reset Circuit................................................. 25
RA0 Pins..................................................................... 49
RA1 Pins..................................................................... 50
RA2 Pin ...................................................................... 51
RA4 Pin ...................................................................... 52
RA5 Pin ................................................................ 52, 53
RB0 Pin ...................................................................... 57
RB3 Pin ...................................................................... 58
RC0 Pin ...................................................................... 62
RC5 Pin ...................................................................... 63
RC6 Pin ...................................................................... 63
RC7 Pin ...................................................................... 63
SPI Mode.................................................................. 138
SSP (I²C Mode)........................................................ 147
Timer1 .................................................. 93, 99, 100, 101
Timer2 ...................................................................... 105
TMR0/WDT Prescaler ................................................ 89
Voltage Reference...................................................... 85
Brown-out Reset (BOR)...................................................... 29
Timing and Characteristics ....................................... 199
C
C Compilers
MPLAB C18.............................................................. 182
Capture Module. See Capture/Compare/PWM (CCP)
Capture/Compare/PWM (CCP) ........................................ 107
Associated registers w/ Capture............................... 109
Associated registers w/ Compare............................. 111
Associated registers w/ PWM................................... 115
Capture Mode........................................................... 108
CCPx Pin Configuration............................................ 108
Compare Mode......................................................... 110
CCPx Pin Configuration.................................... 110
Software Interrupt Mode ........................... 108, 110
Special Event Trigger ....................................... 110
Timer1 Mode Selection............................. 108, 110
Prescaler .................................................................. 108
PWM Mode............................................................... 112
Duty Cycle ........................................................ 113
Effects of Reset ................................................ 114
Example PWM Frequencies and Resolutions
16 MHZ..................................................... 114
8 MHz ....................................................... 114
Operation in Sleep Mode.................................. 114
Setup for Operation .......................................... 114
System Clock Frequency Changes .................. 114
PWM Period ............................................................. 113
Setup for PWM Operation ........................................ 114
Timer Resources ...................................................... 107
DS41430D-page 243