PIC16LF1946_13 Datasheet, PDF (467/478 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

INDEX
A
A/D
Specifications............................................................ 410
Absolute Maximum Ratings (PIC16F/LF1946/47) ............ 389
AC Characteristics
Industrial and Extended ............................................ 404
Load Conditions ........................................................ 403
ACKSTAT ......................................................................... 278
ACKSTAT Status Flag ...................................................... 278
ADC .................................................................................. 161
Acquisition Requirements ......................................... 172
Associated registers.................................................. 174
Block Diagram........................................................... 162
Calculating Acquisition Time..................................... 172
Channel Selection..................................................... 163
Configuration............................................................. 163
Configuring Interrupt ................................................. 167
Conversion Clock...................................................... 163
Conversion Procedure .............................................. 167
Internal Sampling Switch (RSS) Impedance.............. 172
Interrupts................................................................... 165
Operation .................................................................. 166
Operation During Sleep ............................................ 166
Port Configuration ..................................................... 163
Reference Voltage (VREF)......................................... 163
Source Impedance.................................................... 172
Special Event Trigger................................................ 166
Starting an A/D Conversion ...................................... 165
ADCON0 Register....................................................... 34, 168
ADCON1 Register....................................................... 34, 169
ADDFSR ........................................................................... 379
ADDWFC .......................................................................... 379
ADRESH Register............................................................... 34
ADRESH Register (ADFM = 0) ......................................... 170
ADRESH Register (ADFM = 1) ......................................... 171
ADRESL Register (ADFM = 0).......................................... 170
ADRESL Register (ADFM = 1).......................................... 171
Alternate Pin Function....................................................... 128
Analog-to-Digital Converter. See ADC
ANSELA Register ............................................................. 132
ANSELE Register ............................................................. 144
ANSELF Register.............................................................. 147
APFCON Register............................................................. 129
Assembler
MPASM Assembler................................................... 456
Automatic Context Saving................................................... 91
B
BAUDxCON Register ........................................................ 309
BF ............................................................................. 278, 280
BF Status Flag .......................................................... 278, 280
Block Diagram
Capacitive Sensing ........................................... 327, 328
Block Diagrams
(CCP) Capture Mode Operation ............................... 216
ADC .......................................................................... 162
ADC Transfer Function ............................................. 173
Analog Input Model ........................................... 173, 184
CCP PWM................................................................. 220
Clock Source............................................................... 62
Comparator ............................................................... 180
Compare ................................................................... 218
Core ............................................................................ 20
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PIC16(L)F1946/47
Crystal Operation.................................................. 64, 65
Digital-to-Analog Converter (DAC) ........................... 176
EUSART Receive ..................................................... 298
EUSART Transmit .................................................... 297
External RC Mode ...................................................... 65
Fail-Safe Clock Monitor (FSCM)................................. 73
Generic I/O Port........................................................ 127
Interrupt Logic............................................................. 87
LCD Bias Voltage Generation .................................. 343
LCD Clock Generation.............................................. 342
On-Chip Reset Circuit................................................. 79
PIC16F/LF1946/47 ..................................................... 12
PWM (Enhanced) ..................................................... 224
Resonator Operation .................................................. 64
Timer0 ...................................................................... 195
Timer1 ...................................................................... 199
Timer1 Gate.............................................. 204, 205, 206
Timer2/4/6 ................................................................ 211
Voltage Reference.................................................... 157
Voltage Reference Output Buffer Example .............. 176
BORCON Register.............................................................. 81
BRA .................................................................................. 380
Break Character (12-bit) Transmit and Receive ............... 317
Brown-out Reset (BOR)...................................................... 81
Specifications ........................................................... 408
Timing and Characteristics ....................................... 407
C
C Compilers
MPLAB C18.............................................................. 456
CALL................................................................................. 381
CALLW ............................................................................. 381
Capacitive Sensing ........................................................... 327
Associated registers w/ Capacitive Sensing............. 334
Specifications ........................................................... 419
Capture Module. See Enhanced Capture/Compare/PWM
(ECCP)
Capture/Compare/PWM ................................................... 215
Capture/Compare/PWM (CCP)
Associated Registers w/ Capture ............................. 217
Associated Registers w/ Compare ........................... 219
Associated Registers w/ PWM ......................... 223, 237
Capture Mode........................................................... 216
CCPx Pin Configuration............................................ 216
Compare Mode......................................................... 218
CCPx Pin Configuration.................................... 218
Software Interrupt Mode ........................... 216, 218
Special Event Trigger ....................................... 218
Timer1 Mode Resource ............................ 216, 218
Prescaler .................................................................. 216
PWM Mode
Duty Cycle ........................................................ 221
Effects of Reset ................................................ 223
Example PWM Frequencies and
Resolutions, 20 MHZ ................................ 222
Example PWM Frequencies and
Resolutions, 32 MHZ ................................ 222
Example PWM Frequencies and
Resolutions, 8 MHz .................................. 222
Operation in Sleep Mode.................................. 223
Resolution ........................................................ 222
System Clock Frequency Changes .................. 223
PWM Operation ........................................................ 220
PWM Overview......................................................... 220
DS41414D-page 467