PIC16C72 Series
DS39016A-page 118 Preliminary 1998 Microchip Technology Inc.
Block Diagram ............................................................47
I2C Operation .............................................................47
Master Mode ..............................................................51
Mode ..........................................................................47
Mode Selection ..........................................................47
Multi-Master Mode .....................................................51
Reception ...................................................................49
Reception Timing Diagram ........................................49
SCL and SDA pins .....................................................47
Slave Mode ................................................................47
Transmission ..............................................................50
In-Circuit Serial Programming ......................................59, 72
INDF Register ................................................................8, 17
Indirect Addressing ............................................................17
Initialization Condition for all Register ................................65
Instruction Format ..............................................................73
Instruction Set
Section .......................................................................73
Summary Table ..........................................................74
INT Interrupt .......................................................................68
INTCON Register ...............................................................11
INTEDG bit ...................................................................10, 68
Internal Sampling Switch (Rss) Impedance .......................56
Interrupts ............................................................................59
PortB Change ............................................................68
RB7:RB4 Port Change ...............................................21
Section .......................................................................68
TMR0 .........................................................................68
IRP bit ..................................................................................9
L
Loading of PC ....................................................................15
M
MCLR ...........................................................................61, 64
Memory
Data Memory ...............................................................6
Program Memory .........................................................5
Program Memory Maps
PIC16C72 ............................................................5
PIC16CR72 ..........................................................5
Register File Maps
PIC16C72 ............................................................6
PIC16CR72 ..........................................................6
MPASM Assembler ............................................................75
MPSIM Software Simulator ................................................75
O
OPCODE ............................................................................73
OPTION Register ...............................................................10
OSC selection ....................................................................59
Oscillator
HS ........................................................................60, 64
LP .........................................................................60, 64
RC ..............................................................................60
XT ........................................................................60, 64
Oscillator Configurations ....................................................60
Output of TMR2 ..................................................................31
P
P ...................................................................................40, 43
Packaging
28-Lead Ceramic w/Window ....................................110
28-Lead PDIP ..........................................................111
28-Lead SOIC ..........................................................112
28-Lead SSOP .........................................................113
Paging, Program Memory ..................................................16
PCFG0 bit .......................................................................... 54
PCFG1 bit .......................................................................... 54
PCFG2 bit .......................................................................... 54
PCL Register ............................................................. 7, 8, 15
PCLATH ............................................................................. 65
PCLATH Register ...................................................... 7, 8, 15
PCON Register ............................................................ 14, 64
PD bit ............................................................................. 9, 61
PICDEM-1 Low-Cost PIC16/17 Demo Board .................... 75
PICDEM-2 Low-Cost PIC16CXX Demo Board .................. 75
PICMASTER RT In-Circuit Emulator .............................. 75
PICSTART Low-Cost Development System ................... 75
PIE1 Register ..................................................................... 12
Pin Functions
MCLR/Vpp ................................................................... 4
OSC1/CLKIN ............................................................... 4
OSC2/CLKOUT ........................................................... 4
RA0/AN0 ...................................................................... 4
RA1/AN1 ...................................................................... 4
RA2/AN2 ...................................................................... 4
RA3/AN3/Vref .............................................................. 4
RA4/T0CKI .................................................................. 4
RA5/AN4/SS ................................................................ 4
RB0/INT ....................................................................... 4
RB1 .............................................................................. 4
RB2 .............................................................................. 4
RB3 .............................................................................. 4
RB4 .............................................................................. 4
RB5 .............................................................................. 4
RB6 .............................................................................. 4
RB7 .............................................................................. 4
RC0/T1OSO/T1CKI ..................................................... 4
RC1/T1OSI .................................................................. 4
RC2/CCP1 ................................................................... 4
RC3/SCK/SCL ............................................................. 4
RC4/SDI/SDA .............................................................. 4
RC5/SDO ..................................................................... 4
RC6 ............................................................................. 4
RC7 ............................................................................. 4
SCK ..................................................................... 42–??
SDI ....................................................................... 42–??
SDO ..................................................................... 42–??
SS ........................................................................ 42–??
Vdd .............................................................................. 4
Vss ............................................................................... 4
Pinout Descriptions
PIC16C72 .................................................................... 4
PIC16CR72 ................................................................. 4
PIR1 Register .................................................................... 13
POR ............................................................................. 63, 64
Oscillator Start-up Timer (OST) ........................... 59, 63
Power Control Register (PCON) ................................ 64
Power-on Reset (POR) ........................................ 59, 65
Power-up Timer (PWRT) ........................................... 59
Power-Up-Timer (PWRT) .......................................... 63
Time-out Sequence ................................................... 64
TO .............................................................................. 61
POR bit ........................................................................ 14, 64
Port RB Interrupt ................................................................ 68
PORTA .............................................................................. 65
PORTA Register ............................................................ 7, 19
PORTB .............................................................................. 65
PORTB Register ............................................................ 7, 21
PORTC .............................................................................. 65
PORTC Register ............................................................ 7, 23
Power-down Mode (SLEEP) .............................................. 71