
 1997 Microchip Technology Inc.
DS30390E-page 283
PIC16C7X
LIST OF TABLES
Table 1-1:
Table 3-1:
Table 3-2:
Table 3-3:
Table 4-1:
PIC16C7XX Family of Devces....................6
PIC16C72 Pinout Description ...................13
PIC16C73/73A/76 Pinout Description.......14
PIC16C74/74A/77 Pinout Description.......15
PIC16C72 Special Function Register 
Summary...................................................23
PIC16C73/73A/74/74A Special 
Function Register Summary......................25
PIC16C76/77 Special Function 
Register Summary ....................................27
PORTA Functions.....................................44
Summary of Registers Associated 
with PORTA ..............................................44
PORTB Functions.....................................46
Summary of Registers Associated 
with PORTB ..............................................47
PORTC Functions.....................................48
Summary of Registers Associated 
with PORTC..............................................49
PORTD Functions.....................................50
Summary of Registers Associated 
with PORTD..............................................50
PORTE Functions.....................................52
Summary of Registers Associated 
with PORTE ..............................................52
Registers Associated with 
Parallel Slave Port.....................................55
Registers Associated with Timer0.............63
Capacitor Selection for the 
Timer1 Oscillator.......................................67
Registers Associated with Timer1 
as a Timer/Counter ...................................68
Registers Associated with 
Timer2 as a Timer/Counter.......................70
CCP Mode - Timer Resource....................71
Interaction of Two CCP Modules ..............71
Example PWM Frequencies and 
Resolutions at 20 MHz..............................75
Registers Associated with Capture, 
Compare, and Timer1...............................75
Registers Associated with PWM 
and Timer2................................................76
Registers Associated with SPI 
Operation ..................................................82
Registers Associated with SPI 
Operation (PIC16C76/77) .........................88
I
2
C Bus Terminology.................................89
Data Transfer Received Byte 
Actions ......................................................94
Registers Associated with I
2
C 
Operation ..................................................97
Baud Rate Formula.................................101
Registers Associated with Baud 
Rate Generator .......................................101
Baud Rates for Synchronous Mode........102
Baud Rates for Asynchronous Mode 
(BRGH = 0) .............................................102
Baud Rates for Asynchronous Mode 
(BRGH = 1) .............................................103
Registers Associated with 
Asynchronous Transmission...................107
Registers Associated with 
Asynchronous Reception........................109
Table 4-2:
Table 4-3:
Table 5-1:
Table 5-2:
Table 5-3:
Table 5-4:
Table 5-5:
Table 5-6:
Table 5-7:
Table 5-8:
Table 5-9:
Table 5-10:
Table 5-11:
Table 7-1:
Table 8-1:
Table 8-2:
Table 9-1:
Table 10-1:
Table 10-2:
Table 10-3:
Table 10-4:
Table 10-5:
Table 11-1:
Table 11-2:
Table 11-3:
Table 11-4:
Table 11-5:
Table 12-1:
Table 12-2:
Table 12-3:
Table 12-4:
Table 12-5:
Table 12-6:
Table 12-7:
Table 12-8:
Registers Associated with Synchronous Mas-
ter Transmission......................................111
Registers Associated with Synchronous Mas-
ter Reception ...........................................112
Registers Associated with 
Synchronous Slave Transmission ...........115
Registers Associated with 
Synchronous Slave Reception.................115
T
AD
 vs. Device Operating 
Frequencies.............................................121
Registers/Bits Associated with A/D, 
PIC16C72................................................126
Summary of A/D Registers, 
PIC16C73/73A/74/74A/76/77 ..................127
Ceramic Resonators................................131
Capacitor Selection for Crystal 
Oscillator..................................................131
Time-out in Various Situations, 
PIC16C73/74...........................................135
Time-out in Various Situations, 
PIC16C72/73A/74A/76/77 .......................135
Status Bits and Their Significance, 
PIC16C73/74...........................................135
Status Bits and Their Significance, 
PIC16C72/73A/74A/76/77 .......................136
Reset Condition for Special 
Registers..................................................136
Initialization Conditions for all 
Registers..................................................136
Opcode Field Descriptions.......................147
PIC16CXX Instruction Set .......................148
Development Tools from Microchip.........166
Cross Reference of Device Specs 
for Oscillator Configurations and 
Frequencies of Operation 
(Commercial Devices) .............................167
External Clock Timing 
Requirements ..........................................173
CLKOUT and I/O Timing 
Requirements ..........................................174
Reset, Watchdog Timer, 
Oscillator Start-up Timer, Power-up 
Timer, and brown-out Reset 
Requirements ..........................................175
Timer0 and Timer1 External 
Clock Requirements ................................176
Capture/Compare/PWM 
Requirements (CCP1) .............................177
SPI Mode Requirements..........................178
I
2
C Bus Start/Stop Bits 
Requirements ..........................................179
I
2
C Bus Data Requirements ....................180
A/D Converter Characteristics:
PIC16C72-04  
(Commercial, Industrial, Extended)
PIC16C72-10 
(Commercial, Industrial, Extended)
PIC16C72-20 
(Commercial, Industrial, Extended)
PIC16LC72-04 
(Commercial, Industrial)...........................181
A/D Conversion Requirements................182
Cross Reference of Device 
Specs for Oscillator Configurations 
and Frequencies of Operation 
(Commercial Devices) .............................183
Table 12-9:
Table 12-10:
Table 12-11:
Table 13-1:
Table 13-2:
Table 13-3:
Table 14-1:
Table 14-2:
Table 14-3:
Table 14-4:
Table 14-5:
Table 14-6:
Table 14-7:
Table 14-8:
Table 15-1:
Table 15-2:
Table 16-1:
Table 17-1:
Table 17-2:
Table 17-3:
Table 17-4:
Table 17-5:
Table 17-6:
Table 17-7:
Table 17-8:
Table 17-9:
Table 17-10:
Table 17-11:
Table 18-1: