Datasheet

2010-2011 Microchip Technology Inc. Preliminary DS41440B-page 407
PIC16(L)F1825/1829
INDEX
A
A/D
Specifications............................................................ 371
Absolute Maximum Ratings .............................................. 349
AC Characteristics
Industrial and Extended ............................................ 364
Load Conditions ........................................................ 363
ACKSTAT ......................................................................... 276
ACKSTAT Status Flag ...................................................... 276
ADC .................................................................................. 149
Acquisition Requirements ......................................... 160
Associated registers.................................................. 162
Block Diagram........................................................... 149
Calculating Acquisition Time..................................... 160
Channel Selection..................................................... 150
Configuration............................................................. 150
Configuring Interrupt ................................................. 155
Conversion Clock...................................................... 151
Conversion Procedure .............................................. 155
Internal Sampling Switch (R
SS) Impedance.............. 160
Interrupts................................................................... 153
Operation .................................................................. 154
Operation During Sleep ............................................ 154
Port Configuration..................................................... 150
Reference Voltage (V
REF)......................................... 150
Source Impedance.................................................... 160
Special Event Trigger................................................ 154
Starting an A/D Conversion ...................................... 153
ADCON0 Register....................................................... 34, 156
ADCON1 Register....................................................... 34, 157
ADDFSR ........................................................................... 339
ADDWFC .......................................................................... 339
ADRESH Register............................................................... 34
ADRESH Register (ADFM = 0) ......................................... 158
ADRESH Register (ADFM = 1) ......................................... 159
ADRESL Register (ADFM = 0).......................................... 158
ADRESL Register (ADFM = 1).......................................... 159
Alternate Pin Function.......................................................122
Analog-to-Digital Converter. See ADC
ANSELA Register ............................................................. 128
ANSELB Register ............................................................. 134
ANSELC Register ............................................................. 139
APFCON0 Register........................................................... 123
APFCON1 Register........................................................... 124
Assembler
MPASM Assembler................................................... 384
B
BAUDCON Register.......................................................... 306
BF ............................................................................. 276, 278
BF Status Flag .......................................................... 276, 278
Block Diagram
Capacitive Sensing ........................................... 323, 324
Block Diagrams
(CCP) Capture Mode Operation ............................... 214
ADC .......................................................................... 149
ADC Transfer Function ............................................. 161
Analog Input Model ........................................... 161, 179
CCP PWM................................................................. 218
Clock Source............................................................... 58
Compare ................................................................... 216
Crystal Operation .................................................. 60, 61
Digital-to-Analog Converter (DAC)............................ 164
EUSART Receive ..................................................... 296
EUSART Transmit .................................................... 295
External RC Mode ...................................................... 61
Fail-Safe Clock Monitor (FSCM)................................. 69
Generic I/O Port........................................................ 121
Interrupt Logic............................................................. 87
On-Chip Reset Circuit................................................. 79
PIC16F/LF1825/1829 ................................................. 22
PIC16F/LF1825/29 ..................................................... 14
PWM (Enhanced) ..................................................... 222
Resonator Operation .................................................. 60
Timer0 ...................................................................... 183
Timer1 ...................................................................... 187
Timer1 Gate.............................................. 192, 193, 194
Timer2/4/6 ................................................................ 199
Voltage Reference.................................................... 145
Voltage Reference Output Buffer Example .............. 164
BORCON Register.............................................................. 81
BRA .................................................................................. 340
Break Character (12-bit) Transmit and Receive ............... 315
Brown-out Reset (BOR)...................................................... 81
Specifications ........................................................... 369
Timing and Characteristics ....................................... 368
C
C Compilers
MPLAB C18.............................................................. 384
CALL................................................................................. 341
CALLW ............................................................................. 341
Capacitive Sensing ........................................................... 323
Associated registers w/ Capacitive Sensing............. 330
Specifications ........................................................... 380
Capture Module. See Enhanced Capture/Compare/
PWM(ECCP)
Capture/Compare/PWM ................................................... 213
Capture/Compare/PWM (CCP)
Associated Registers w/ Capture ............................. 215
Associated Registers w/ Compare ........................... 217
Associated Registers w/ PWM ......................... 221, 235
Capture Mode ........................................................... 214
CCPx Pin Configuration............................................ 214
Compare Mode......................................................... 216
CCPx Pin Configuration.................................... 216
Software Interrupt Mode........................... 214, 216
Special Event Trigger ....................................... 216
Timer1 Mode Resource ............................ 214, 216
Prescaler .................................................................. 214
PWM Mode
Duty Cycle ........................................................ 219
Effects of Reset ................................................ 221
Example PWM Frequencies and
Resolutions, 20 MHZ................................ 220
Example PWM Frequencies and
Resolutions, 32 MHZ................................ 220
Example PWM Frequencies and
Resolutions, 8 MHz .................................. 220
Operation in Sleep Mode.................................. 221
Resolution ........................................................ 220
System Clock Frequency Changes .................. 221
PWM Operation ........................................................ 218
PWM Overview ......................................................... 218
PWM Period ............................................................. 219
PWM Setup .............................................................. 219
CCP1CON Register...................................................... 38, 39