Datasheet

© 2007 Microchip Technology Inc. DS39597C-page 125
PIC16F72
INDEX
A
A/D
Acquisition Requirements ........................................... 56
ADCON0 Register.......................................................53
ADCON1 Register.......................................................53
ADIF bit....................................................................... 54
ADRES Register .........................................................53
Analog-to-Digital Converter.........................................53
Associated Registers .................................................. 57
Configuring Analog Port Pins......................................56
Configuring the Interrupt .............................................54
Configuring the Module...............................................54
Conversion Clock........................................................ 56
Conversions................................................................56
Converter Characteristics ......................................... 104
Effects of a RESET..................................................... 57
Internal Sampling Switch (Rss) Impedance ................ 56
Operation During SLEEP............................................57
Source Impedance...................................................... 56
Use of the the CCP Trigger.........................................57
Absolute Maximum Ratings ................................................ 87
ACK
.....................................................................................49
ADCON0
GO/DONE
bit...................................................... 54
ADRES Register .............................................................9, 54
Application Notes
AN546 (Using the Analog-to-Digital Converter) .......... 53
AN552 (Implementing Wake-up on
Key Strokes Using PIC16F7X)............................... 23
AN556 (Implementing a Table Read).......................... 19
AN578 (Use of the SSP Module in the
I
2
C Multi-Master Environment)...............................43
AN607 (Power-up Trouble Shooting)..........................64
Assembler
MPASM Assembler..................................................... 81
B
BF .......................................................................................44
Block Diagrams
A/D..............................................................................55
Analog Input Model..................................................... 55
Capture Mode Operation ............................................ 38
Compare Mode Operation .......................................... 39
In-Circuit Serial Programming Connections................ 72
Interrupt Logic.............................................................68
On-Chip Reset Circuit................................................. 63
PIC16F72...................................................................... 5
PORTC .......................................................................25
PWM ...........................................................................41
RA3:RA0 and RA5 Port Pins ...................................... 21
RA4/T0CKI Pin............................................................ 21
RB3:RB0 Port Pins ..................................................... 23
RB7:RB4 Port Pins ..................................................... 23
Recommended MCLR
Circuit .....................................63
SSP in I
2
C Mode.........................................................48
SSP in SPI Mode ........................................................ 46
Timer0/WDT Prescaler................................................29
Timer1.........................................................................32
Timer2.........................................................................35
Watchdog Timer (WDT) .............................................. 70
BOR. See Brown-out Reset
Brown-out Reset (BOR) ....................................59, 62, 65, 66
Buffer Full Status bit, BF ..................................................... 44
C
Capture/Compare/PWM ..................................................... 37
Associated Registers with PWM and Timer2.............. 42
Associated Registers, Capture, Compare
and Timer1............................................................. 40
Capture
CCP1IF............................................................... 38
CCPR1 ............................................................... 38
CCPR1H:CCPR1L.............................................. 38
Capture Mode............................................................. 38
CCP Mode Timer Resources...................................... 37
CCP Pin Configuration ......................................... 38, 39
CCP Prescaler............................................................ 38
CCPR1L Register....................................................... 37
Compare Mode........................................................... 39
PWM Mode................................................................. 41
PWM, Example Frequencies/Resolutions .................. 42
Software Interrupt....................................................... 38
Software Interrupt Mode............................................. 39
Special Event Trigger and A/D Conversions .............. 39
Special Event Trigger Output of CCP1....................... 39
Timer1 Mode Selection......................................... 38, 39
CCPR1H Register............................................................... 37
CCPxM0 bit......................................................................... 37
CCPxM1 bit......................................................................... 37
CCPxM2 bit......................................................................... 37
CCPxM3 bit......................................................................... 37
CCPxX bit........................................................................... 37
CCPxY bit........................................................................... 37
CKE .................................................................................... 44
CKP .................................................................................... 45
Clock Polarity Select bit, CKP............................................. 45
Code Examples
Changing Between Capture Prescalers ..................... 38
FLASH Program Read................................................ 28
Indirect Addressing..................................................... 19
Initializing PORTA....................................................... 21
Initializing PORTB ...................................................... 23
Initializing PORTC ...................................................... 25
Saving STATUS, W and PCLATH
Registers in RAM................................................... 69
Code Protection............................................................ 59, 72
Configuration Bits ............................................................... 59
Configuration Word............................................................. 60
Conversion Considerations............................................... 123
D
D/A...................................................................................... 44
Data Memory
General Purpose Register File ..................................... 7
Special Function Registers........................................... 9
Data/Address bit, D/A
......................................................... 44
DC and AC Characteristics
Graphs and Tables ................................................... 107
DC Characteristics.............................................................. 89
Development Support......................................................... 81
Device Overview................................................................... 5
Direct Addressing ............................................................... 20
E
Electrical Characteristics .................................................... 87
Errata.................................................................................... 3