Datasheet

© 2009 Microchip Technology Inc. DS39775C-page 475
PIC18F87J50 FAMILY
Layered Framework ................................................. 335
Oscillator Requirements ........................................... 334
Overview .......................................................... 311, 335
Ping-Pong Buffer Configuration ............................... 315
Power ....................................................................... 335
Power Modes ........................................................... 331
Bus Power Only ............................................... 331
Dual Power with Self-Power Dominance ......... 332
Self-Power Only ............................................... 331
RAM ......................................................................... 318
Memory Map .................................................... 318
Speed ....................................................................... 336
Status and Control ................................................... 312
Transfer Types ......................................................... 335
UFRMH:UFRML Registers ...................................... 318
USB RAM
Serial Interface Engine (SIE) ..................................... 78
USB Specifications .......................................................... 434
USB. See Universal Serial Bus.
V
VDDCORE/VCAP Pin ........................................................... 360
Voltage Reference Specifications .................................... 433
Voltage Regulator (On-Chip) ........................................... 360
Operation in Sleep Mode ......................................... 361
W
Watchdog Timer (WDT) ........................................... 349, 358
Associated Registers ............................................... 359
Control Register ....................................................... 358
During Oscillator Failure .......................................... 362
Programming Considerations .................................. 358
WCOL ...................................................... 267, 268, 269, 272
WCOL Status Flag ................................... 267, 268, 269, 272
WWW Address ................................................................. 477
WWW, On-Line Support ...................................................... 7
X
XORLW ............................................................................ 405
XORWF ............................................................................ 406