PIC16F818-ESLASHML datasheet(167/176 Pages) MICROCHIP

167 / 176 page

 2004 Microchip Technology Inc.

DS39598E-page 165

PIC16F818/819

INDEX

A/D

Acquisition Requirements .......................................... 84

ADIF Bit ...................................................................... 83

Analog-to-Digital Converter ........................................ 81

Associated Registers ................................................. 87

Calculating Acquisition Time ...................................... 84

Configuring Analog Port Pins ..................................... 85

Configuring the Interrupt ............................................ 83

Configuring the Module .............................................. 83

Conversion Clock ....................................................... 85

Conversion Requirements ....................................... 142

Conversions ............................................................... 86

Converter Characteristics ........................................ 141

Delays ........................................................................ 84

Effects of a Reset ....................................................... 87

GO/DONE Bit ............................................................. 83

Internal Sampling Switch (Rss) Impedance ............... 84

Operation During Sleep ............................................. 87

Result Registers ......................................................... 86

Source Impedance ..................................................... 84

Time Delays ............................................................... 84

Use of the CCP Trigger .............................................. 87

Absolute Maximum Ratings ............................................. 117

ACK .................................................................................... 77

ADCON0 Register .............................................................. 81

ADCON1 Register .............................................................. 81

ADRESH Register ........................................................ 13, 81

ADRESH, ADRESL Register Pair ...................................... 83

ADRESL Register ........................................................ 14, 81

Application Notes

AN556 (Implementing a Table Read) ........................ 23

AN578 (Use of the SSP Module in the

I2C Multi-Master Environment) ........................... 71

AN607 (Power-up Trouble Shooting) ......................... 92

Assembler

MPASM Assembler .................................................. 111

BF Bit ................................................................................. 77

Block Diagrams

A/D ............................................................................. 83

Analog Input Model .................................................... 84

Capture Mode Operation ........................................... 66

Compare Mode Operation ......................................... 67

In-Circuit Serial Programming

Connections ..................................................... 101

Interrupt Logic ............................................................ 96

On-Chip Reset Circuit ................................................ 91

PIC16F818/819 ............................................................ 6

PWM .......................................................................... 68

RA0/AN0:RA1/AN1 Pins ............................................ 40

RA2/AN2/VREF- Pin .................................................... 40

RA3/AN3/VREF+ Pin ................................................... 40

RA4/AN4/T0CKI Pin ................................................... 40

RA5/MCLR/VPP Pin ................................................... 41

RA6/OSC2/CLKO Pin ................................................ 41

RA7/OSC1/CLKI Pin .................................................. 42

RB0 Pin ...................................................................... 45

RB1 Pin ...................................................................... 46

RB2 Pin ...................................................................... 47

RB3 Pin ...................................................................... 48

RB4 Pin ...................................................................... 49

RB5 Pin ..................................................................... 50

RB6 Pin ..................................................................... 51

RB7 Pin ..................................................................... 52

Recommended MCLR Circuit .................................... 92

SSP in I2C Mode ........................................................ 76

SSP in SPI Mode ....................................................... 74

System Clock ............................................................. 38

Timer0/WDT Prescaler .............................................. 53

Timer1 ....................................................................... 58

Timer2 ....................................................................... 63

Watchdog Timer (WDT) ............................................. 98

BOR. See Brown-out Reset.

Brown-out Reset (BOR) .............................. 89, 91, 92, 93, 94

C Compilers

MPLAB C17 ............................................................. 112

MPLAB C18 ............................................................. 112

MPLAB C30 ............................................................. 112

Capture/Compare/PWM (CCP) ......................................... 65

Capture Mode ............................................................ 66

CCP Prescaler ................................................... 66

Pin Configuration ............................................... 66

Software Interrupt .............................................. 66

Timer1 Mode Selection ...................................... 66

Capture, Compare and Timer1

Associated Registers ......................................... 67

CCP1IF ...................................................................... 66

CCPR1 ...................................................................... 66

CCPR1H:CCPR1L ..................................................... 66

Compare Mode .......................................................... 67

Pin Configuration ............................................... 67

Software Interrupt Mode .................................... 67

Special Event Trigger ........................................ 67

Special Event Trigger

Output of CCP1 ......................................... 67

Timer1 Mode Selection ...................................... 67

PWM and Timer2

Associated Registers ......................................... 69

PWM Mode ................................................................ 68

Duty Cycle ......................................................... 68

Example Frequencies/Resolutions .................... 69

Period ................................................................ 68

Setup for Operation ........................................... 69

Timer Resources ....................................................... 65

CCP1M0 Bit ....................................................................... 65

CCP1M1 Bit ....................................................................... 65

CCP1M2 Bit ....................................................................... 65

CCP1M3 Bit ....................................................................... 65

CCP1X Bit .......................................................................... 65

CCP1Y Bit .......................................................................... 65

CCPR1H Register .............................................................. 65

CCPR1L Register .............................................................. 65

Code Examples

Changing Between Capture Prescalers ..................... 66

Changing Prescaler Assignment from

Timer0 to WDT .................................................. 55

Changing Prescaler Assignment from

WDT to Timer0 .................................................. 55

Clearing RAM Using Indirect Addressing .................. 23

Erasing a Flash Program Memory Row ..................... 29

Implementing a Real-Time Clock Using

a Timer1 Interrupt Service ................................. 62

Initializing PORTA ...................................................... 39

Reading a 16-Bit Free Running Timer ....................... 59

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