PIC16F946 Datasheet, PDF (263/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
INDEX
A
A/D
Acquisition Requirements ......................................... 155
Analog Port Pins ....................................................... 150
Associated Registers ................................................ 157
Block Diagram........................................................... 149
Calculating Acquisition Time..................................... 155
Channel Selection..................................................... 150
Configuration and Operation..................................... 150
Configuring................................................................ 154
Configuring Interrupt ................................................. 154
Conversion (TAD) Cycles .......................................... 151
Conversion Clock...................................................... 150
Effects of Reset......................................................... 157
Internal Sampling Switch (RSS) Impedance.............. 155
Operation During Sleep ............................................ 156
Output Format........................................................... 151
Reference Voltage (VREF)......................................... 150
Source Impedance.................................................... 155
Specifications............................................................ 254
Starting a Conversion ............................................... 151
TAD vs. Operating Frequencies................................. 150
Absolute Maximum Ratings .............................................. 229
AC Characteristics
Industrial and Extended ............................................ 239
Load Conditions ........................................................ 238
ACK pulse ......................................................................... 175
ADCON0 Register............................................................. 152
ADCON1 Register............................................................. 153
Addressable Universal Synchronous Asynchronous Receiver
Transmitter. See USART
Analog Input Connections ................................................... 96
Analog-to-Digital Converter Module. See A/D
ANSEL Register ................................................................ 152
Assembler
MPASM Assembler................................................... 223
Asynchronous Reception
Associated Registers ........................................ 141, 143
Asynchronous Transmission
Associated Registers ................................................ 139
B
Baud Rate Generator
Associated Registers ................................................ 135
BF bit................................................................................. 166
Block Diagram of RF ........................................................... 67
Block Diagrams
A/D ............................................................................ 149
Analog Input Model ............................................. 96, 156
Capture Mode ........................................................... 185
Comparator 1 .............................................................. 98
Comparator 2 .............................................................. 98
Comparator Modes ..................................................... 97
Comparator Voltage Reference (CVREF) .................. 100
Compare Mode ......................................................... 186
Fail-Safe Clock Monitor (FSCM) ................................. 81
In-Circuit Serial Programming Connections.............. 210
Interrupt Logic ........................................................... 203
LCD Clock Generation .............................................. 110
LCD Driver Module ................................................... 104
LCD Resistor Ladder Connection ............................. 108
MCLR Circuit............................................................. 194
On-Chip Reset Circuit ............................................... 193
PIC16F946.................................................................... 6
PWM Mode............................................................... 187
RA0 Pin ...................................................................... 29
RA1 Pin ...................................................................... 30
RA2 Pin ...................................................................... 31
RA3 Pin ...................................................................... 32
RA4 Pin ...................................................................... 33
RA5 Pin ...................................................................... 34
RA6 Pin ...................................................................... 35
RA7 Pin ...................................................................... 36
RB Pins....................................................................... 41
RB4 Pin ...................................................................... 42
RB5 Pin ...................................................................... 43
RB6 Pin ...................................................................... 44
RB7 Pin ...................................................................... 45
RC0 Pin ...................................................................... 48
RC1 Pin ...................................................................... 49
RC2 Pin ...................................................................... 49
RC3 Pin ...................................................................... 50
RC4 Pin ...................................................................... 51
RC5 Pin ...................................................................... 52
RC6 Pin ...................................................................... 53
RC7 Pin ...................................................................... 54
RD Pins ...................................................................... 59
RD0 Pin ...................................................................... 58
RD1 Pin ...................................................................... 58
RD2 Pin ...................................................................... 59
RE Pins....................................................................... 63
Resonator Operation .................................................. 76
RF Pins....................................................................... 67
RG Pins ...................................................................... 70
SSP (I²C Mode)........................................................ 175
SSP (SPI Mode) ....................................................... 168
System Clock.............................................................. 71
Timer1 ........................................................................ 87
Timer2 ........................................................................ 94
TMR0/WDT Prescaler ................................................ 83
USART Receive ............................................... 141, 142
USART Transmit ...................................................... 138
Watchdog Timer (WDT)............................................ 206
BRGH bit .......................................................................... 135
Brown-out Reset (BOR).................................................... 195
Associated Registers................................................ 196
Specifications ........................................................... 243
Timing and Characteristics ....................................... 242
C
C Compilers
MPLAB C17.............................................................. 224
MPLAB C18.............................................................. 224
MPLAB C30.............................................................. 224
Capture/Compare/PWM (CCP) ........................................ 183
Associated Registers
Capture, Compare and Timer1......................... 188
PWM and Timer2.............................................. 189
Capture Mode........................................................... 185
Block Diagram .................................................. 185
CCP1CON Register.......................................... 184
CCP1IF............................................................. 185
Prescaler .......................................................... 185
CCP Timer Resources.............................................. 183
Compare
Special Trigger Output of CCP1 ....................... 186
Special Trigger Output of CCP2 ....................... 186
Compare Mode......................................................... 186
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 261