PIC18F25K20T-ISS Datasheet, PDF (443/456 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

INDEX
A
A/D
Analog Port Pins, Configuring .................................. 277
Associated Registers ............................................... 277
Conversions ............................................................. 268
Converter Characteristics ........................................ 401
Discharge ................................................................. 269
Selecting and Configuring Acquisition Time ............ 266
Special Event Trigger (ECCP) ................................. 174
Absolute Maximum Ratings ............................................. 369
AC (Timing) Characteristics ............................................. 383
Load Conditions for Device Timing Specifications ... 384
Parameter Symbology ............................................. 383
Temperature and Voltage Specifications ................. 384
Timing Conditions .................................................... 384
AC Characteristics
Internal RC Accuracy ............................................... 386
Access Bank
Mapping with Indexed Literal Offset Mode ................. 87
ACKSTAT ........................................................................ 225
ACKSTAT Status Flag ..................................................... 225
ADC ................................................................................. 265
Acquisition Requirements ........................................ 275
Block Diagram .......................................................... 265
Calculating Acquisition Time .................................... 275
Channel Selection .................................................... 266
Configuration ............................................................ 266
Conversion Clock ..................................................... 266
Conversion Procedure ............................................. 270
Internal Sampling Switch (RSS) IMPEDANCE ............. 275
Interrupts .................................................................. 267
Operation ................................................................. 268
Operation During Sleep ........................................... 269
Port Configuration .................................................... 266
Power Management ................................................. 269
Reference Voltage (VREF) ........................................ 266
Result Formatting ..................................................... 267
Source Impedance ................................................... 275
Special Event Trigger ............................................... 269
Starting an A/D Conversion ..................................... 267
ADCON0 Register ............................................................ 271
ADCON1 Register ............................................................ 272
ADCON2 Register ............................................................ 273
ADDFSR .......................................................................... 358
ADDLW ............................................................................ 321
ADDULNK ........................................................................ 358
ADDWF ............................................................................ 321
ADDWFC ......................................................................... 322
ADRESH Register (ADFM = 0) ........................................ 274
ADRESH Register (ADFM = 1) ........................................ 274
ADRESL Register (ADFM = 0) ......................................... 274
ADRESL Register (ADFM = 1) ......................................... 274
Analog Input Connection Considerations ......................... 286
Analog-to-Digital Converter. See ADC
ANDLW ............................................................................ 322
ANDWF ............................................................................ 323
ANSEL (PORT Analog Control) ....................................... 136
ANSEL Register ............................................................... 136
ANSELH Register ............................................................ 137
Assembler
MPASM Assembler .................................................. 366
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PIC18F2XK20/4XK20
B
Bank Select Register (BSR) .............................................. 71
Baud Rate Generator ...................................................... 221
BAUDCON Register ........................................................ 248
BC .................................................................................... 323
BCF ................................................................................. 324
BF .................................................................................... 225
BF Status Flag ................................................................. 225
Block Diagrams
ADC ......................................................................... 265
ADC Transfer Function ............................................ 276
Analog Input Model .......................................... 276, 286
Baud Rate Generator .............................................. 221
Capture Mode Operation ......................................... 146
CCP PWM ............................................................... 149
Clock Source ............................................................. 27
Comparator 1 ........................................................... 280
Comparator 2 ........................................................... 280
Comparator Voltage Reference ............................... 290
Compare Mode Operation ....................................... 147
Crystal Operation ....................................................... 31
EUSART Receive .................................................... 238
EUSART Transmit ................................................... 237
External POR Circuit (Slow VDD Power-up) .............. 53
External RC Mode ..................................................... 32
Fail-Safe Clock Monitor (FSCM) ................................ 40
Generic I/O Port ....................................................... 121
High/Low-Voltage Detect with External Input .......... 294
Interrupt Logic .......................................................... 108
MSSP (I²C Master Mode) ........................................ 219
MSSP (I²C Mode) .................................................... 202
MSSP (SPI Mode) ................................................... 193
On-Chip Reset Circuit ................................................ 51
PIC18F2XK20 ............................................................ 14
PIC18F4XK20 ............................................................ 15
PLL (HS Mode) .......................................................... 35
PORTD and PORTE (Parallel Slave Port) ............... 139
PWM (Enhanced) .................................................... 175
Reads from Flash Program Memory ......................... 93
Resonator Operation ................................................. 31
Table Read Operation ............................................... 89
Table Write Operation ............................................... 90
Table Writes to Flash Program Memory .................... 95
Timer0 in 16-Bit Mode ............................................. 157
Timer0 in 8-Bit Mode ............................................... 156
Timer1 ..................................................................... 160
Timer1 (16-Bit Read/Write Mode) ............................ 160
Timer2 ..................................................................... 168
Timer3 ..................................................................... 170
Timer3 (16-Bit Read/Write Mode) ............................ 171
Voltage Reference Output Buffer Example ............. 291
Watchdog Timer ...................................................... 308
BN .................................................................................... 324
BNC ................................................................................. 325
BNN ................................................................................. 325
BNOV .............................................................................. 326
BNZ ................................................................................. 326
BOR. See Brown-out Reset.
BOV ................................................................................. 329
BRA ................................................................................. 327
Break Character (12-bit) Transmit and Receive .............. 256
BRG. See Baud Rate Generator.
Brown-out Reset (BOR) ..................................................... 54
DS41303G-page 443