PIC16F882_12 Datasheet, PDF (326/338 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers

PIC16F882/883/884/886/887
PWM Mode ............................................................... 132
Duty Cycle......................................................... 133
Effects of Reset................................................. 135
Example PWM Frequencies and
Resolutions, 20 MHZ ................................ 134
Example PWM Frequencies and
Resolutions, 8 MHz................................... 134
Operation in Sleep Mode .................................. 135
Setup for Operation........................................... 135
System Clock Frequency Changes................... 135
PWM Period .............................................................. 132
Setup for PWM Operation ......................................... 135
Timer Resources....................................................... 129
CCP1CON (Enhanced) Register....................................... 128
CCP2CON Register .......................................................... 129
Clock Accuracy with Asynchronous Operation ................. 164
Clock Sources
External Modes ........................................................... 67
EC ....................................................................... 67
HS ....................................................................... 68
LP........................................................................ 68
OST..................................................................... 67
RC....................................................................... 69
XT ....................................................................... 68
Internal Modes ............................................................ 69
Frequency Selection ........................................... 71
HFINTOSC.......................................................... 69
HFINTOSC/LFINTOSC Switch Timing ............... 71
INTOSC .............................................................. 69
INTOSCIO........................................................... 69
LFINTOSC .......................................................... 71
Clock Switching................................................................... 73
CM1CON0 Register ............................................................ 93
CM2CON0 Register ............................................................ 94
CM2CON1 Register ............................................................ 96
Code Examples
A/D Conversion ......................................................... 107
Assigning Prescaler to Timer0 .................................... 78
Assigning Prescaler to WDT ....................................... 78
Changing Between Capture Prescalers .................... 130
Indirect Addressing ..................................................... 39
Initializing PORTA ....................................................... 41
Initializing PORTB ....................................................... 49
Initializing PORTC....................................................... 55
Initializing PORTD....................................................... 59
Initializing PORTE ....................................................... 61
Loading the SSPBUF Register ................................. 188
Saving STATUS and W Registers in RAM ............... 227
Ultra Low-Power Wake-up Initialization ...................... 43
Write Verify ............................................................... 124
Writing to Flash Program Memory ............................ 123
Code Protection ................................................................ 231
Comparator
C2OUT as T1 Gate ............................................... 82, 96
Effects of a Reset........................................................ 93
Operation .................................................................... 89
Operation During Sleep .............................................. 93
Response Time ........................................................... 91
Specifications ............................................................ 266
Synchronizing COUT w/Timer1 .................................. 96
Comparator Module ............................................................ 89
Associated Registers ................................................ 102
C1 Output State Versus Input Conditions ................... 91
Comparator Voltage Reference (CVREF) ............................ 99
Effects of a Reset........................................................ 93
DS41291G-page 326
Comparator Voltage Reference (CVREF)
Response Time........................................................... 91
Comparator Voltage Reference (CVREF)
Specifications ........................................................... 266
Compare Module. See Enhanced Capture/Compare/PWM
(ECCP)
CONFIG1 Register ........................................................... 214
CONFIG2 Register ........................................................... 215
Configuration Bits ............................................................. 214
CPU Features ................................................................... 213
Customer Change Notification Service............................. 333
Customer Notification Service .......................................... 333
Customer Support............................................................. 333
D
Data EEPROM Memory.................................................... 115
Associated Registers ................................................ 125
Code Protection ........................................................ 124
Reading .................................................................... 118
Writing ...................................................................... 118
Data Memory ...................................................................... 24
DC Characteristics
Extended .................................................................. 254
Industrial ................................................................... 253
Industrial and Extended ............................ 251, 252, 255
Development Support ....................................................... 245
Device Overview................................................................. 15
E
ECCP. See Enhanced Capture/Compare/PWM
ECCPAS Register............................................................. 146
EEADR Register ............................................................... 116
EEADR Registers ............................................................. 115
EEADRH Registers........................................................... 115
EECON1 Register..................................................... 115, 117
EECON2 Register............................................................. 115
EEDAT Register ............................................................... 116
EEDATH Register............................................................. 116
EEPROM Data Memory
Avoiding Spurious Write ........................................... 124
Write Verify ............................................................... 124
Effects of Reset
PWM mode ............................................................... 135
Electrical Specifications .................................................... 249
Enhanced Capture/Compare/PWM .................................. 127
Enhanced Capture/Compare/PWM (ECCP)
Enhanced PWM Mode.............................................. 136
Auto-Restart ..................................................... 147
Auto-shutdown.................................................. 145
Direction Change in Full-Bridge Output Mode.. 142
Full-Bridge Application...................................... 140
Full-Bridge Mode .............................................. 140
Half-Bridge Application ..................................... 139
Half-Bridge Application Examples .................... 148
Half-Bridge Mode.............................................. 139
Output Relationships (Active-High and
Active-Low)............................................... 137
Output Relationships Diagram.......................... 138
Programmable Dead Band Delay..................... 148
Shoot-through Current ...................................... 148
Start-up Considerations .................................... 144
Specifications ........................................................... 265
Timer Resources ...................................................... 127
Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) .............................. 155
Errata .................................................................................. 13
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