16F87 datasheet(218/228 Pages) MICROCHIP

218 / 228 page

PIC16F87/88

DS30487C-page 216

 2005 Microchip Technology Inc.

RB6/AN5/PGC/T1OSO/T1CKI Pin ............................. 65

RB7/AN6/PGD/T1OSI Pin .......................................... 66

Simplified PWM .......................................................... 84

SSP in I2C Mode ........................................................ 92

SSP in SPI Mode ....................................................... 90

System Clock ............................................................. 41

Timer0/WDT Prescaler .............................................. 67

Timer1 ........................................................................ 73

Timer2 ........................................................................ 79

Watchdog Timer (WDT) ........................................... 141

BOR. See Brown-out Reset.

BRGH Bit ............................................................................ 99

Brown-out Reset (BOR) ........................... 129, 132, 133, 135

BOR Status (BOR Bit) ................................................ 24

C Compilers

MPLAB C17 ............................................................. 158

MPLAB C18 ............................................................. 158

MPLAB C30 ............................................................. 158

Capture/Compare/PWM (CCP) .......................................... 81

Capture Mode ............................................................ 82

CCP Pin Configuration ....................................... 82

Software Interrupt .............................................. 82

Timer1 Mode Selection ...................................... 82

Capture, Compare and Timer1

Associated Registers ......................................... 83

CCP Prescaler ........................................................... 82

CCP Timer Resources ............................................... 81

CCP1IF ...................................................................... 82

CCPR1 ....................................................................... 82

CCPR1H:CCPR1L ..................................................... 82

Compare Mode .......................................................... 83

CCP Pin Configuration ....................................... 83

Software Interrupt Mode .................................... 83

Special Event Trigger ......................................... 83

Special Event Trigger Output of CCP1 .............. 83

Timer1 Mode Selection ...................................... 83

PWM and Timer2 Associated Registers .................... 85

PWM Mode ................................................................ 84

Example Frequencies/Resolutions .................... 85

Operation Setup ................................................. 85

CCP1CON Register ........................................................... 14

CCP1M0 Bit ....................................................................... 81

CCP1M1 Bit ....................................................................... 81

CCP1M2 Bit ....................................................................... 81

CCP1M3 Bit ....................................................................... 81

CCP1X Bit .......................................................................... 81

CCP1Y Bit .......................................................................... 81

CCPR1H Register ........................................................ 14, 81

CCPR1L Register ......................................................... 14, 81

Clock Sources .................................................................... 39

Selection Using OSCCON Register ........................... 39

Clock Switching .................................................................. 39

Transition and the Watchdog Timer ........................... 40

Transition Sequence .................................................. 41

CMCON Register ............................................................... 15

Code Examples

Call of a Subroutine in Page 1 from Page 0 ............... 25

Changing Between Capture Prescalers ..................... 82

Changing Prescaler Assignment from

WDT to Timer0 ................................................... 69

Erasing a Flash Program Memory Row ..................... 31

Implementing a Real-Time Clock Using

a Timer1 Interrupt Service ................................. 77

Indirect Addressing .................................................... 26

Initializing PORTA ...................................................... 51

Reading a 16-Bit Free Running Timer ....................... 74

Reading Data EEPROM ............................................ 29

Reading Flash Program Memory ............................... 30

Saving STATUS, W and PCLATH Registers

in RAM ............................................................. 140

Writing a 16-Bit Free Running Timer ......................... 74

Writing to Data EEPROM .......................................... 29

Writing to Flash Program Memory ............................. 33

Code Protection ....................................................... 129, 147

Comparator Module ......................................................... 121

Analog Input Connection Considerations ................ 125

Associated Registers ............................................... 126

Configuration ........................................................... 122

Effects of a Reset .................................................... 125

External Reference Signal ....................................... 123

Internal Reference Signal ........................................ 123

Interrupts ................................................................. 124

Operation ................................................................. 123

Operation During Sleep ........................................... 125

Outputs .................................................................... 123

Reference ................................................................ 123

Response Time ........................................................ 123

Comparator Specifications ............................................... 177

Comparator Voltage Reference ....................................... 127

Associated Registers ............................................... 128

Computed GOTO ............................................................... 25

Configuration Bits ............................................................ 129

Crystal and Ceramic Resonators ....................................... 35

Customer Change Notification Service ............................ 223

Customer Notification Service ......................................... 223

Customer Support ............................................................ 223

CVRCON Register ............................................................. 15

Data EEPROM Memory ..................................................... 27

Associated Registers ................................................. 34

EEADR Register ........................................................ 27

EEADRH Register ..................................................... 27

EECON1 Register ...................................................... 27

EECON2 Register ...................................................... 27

EEDATA Register ...................................................... 27

EEDATH Register ...................................................... 27

Operation During Code-Protect ................................. 34

Protection Against Spurious Writes ........................... 34

Reading ..................................................................... 29

Write Complete Flag (EEIF Bit) ................................. 27

Writing ....................................................................... 29

Data Memory

Special Function Registers ........................................ 14

DC and AC Characteristics

Graphs and Tables .................................................. 193

DC Characteristics

Internal RC Accuracy ............................................... 174

PIC16F87/88, PIC16LF87/88 .................................. 175

Power-Down and Supply Current ............................ 166

Supply Voltage ........................................................ 165

Demonstration Boards

PICDEM 1 ................................................................ 160

PICDEM 17 .............................................................. 161

PICDEM 18R ........................................................... 161

PICDEM 2 Plus ........................................................ 160

PICDEM 3 ................................................................ 160

PICDEM 4 ................................................................ 160

PICDEM LIN ............................................................ 161

PICDEM USB .......................................................... 161

PICDEM.net Internet/Ethernet ................................. 160

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