PIC18F44J50-I Datasheet, PDF (558/562 Pages) Microchip Technology – 28/44-Pin, Low-Power, High-Performance USB Microcontrollers

PIC18F46J50 FAMILY
USB Full-Speed Requirements ................................ 530
USB Low-Speed Requirements ............................... 530
TSTFSZ ............................................................................ 475
Two-Speed Start-up ................................................. 417, 431
Two-Word Instructions
Example Cases .......................................................... 83
TXSTAx Register
BRGH Bit ................................................................. 327
U
ULPWU Specifications ..................................................... 505
Ultra Low-Power Wake-up ................................................. 60
Universal Serial Bus ......................................................... 357
Address Register (UADDR) ..................................... 365
Associated Registers ............................................... 381
Buffer Descriptor Table ............................................ 366
Buffer Descriptors .................................................... 366
Address Validation ........................................... 369
Assignment in Different Buffering Modes ......... 371
BDnSTAT Register (CPU Mode) ..................... 367
BDnSTAT Register (SIE Mode) ....................... 369
Byte Count ....................................................... 369
Example ........................................................... 366
Memory Map .................................................... 370
Ownership ........................................................ 366
Ping-Pong Buffering ......................................... 370
Register Summary ........................................... 371
Status and Configuration ................................. 366
Endpoint Control ...................................................... 364
External Pull-up Resistors ........................................ 362
Eye Pattern Test Enable .......................................... 362
Firmware and Drivers ............................................... 381
Frame Number Registers ......................................... 365
Internal Pull-up Resistors ......................................... 362
Internal Transceiver ................................................. 360
Interrupts .................................................................. 372
and USB Transactions ..................................... 372
Oscillator Requirements ........................................... 381
Overview .......................................................... 357, 382
Class Specifications and Drivers ..................... 383
Descriptors ....................................................... 383
Enumeration ..................................................... 383
Frames ............................................................. 382
Layered Framework ......................................... 382
Power ............................................................... 382
Speed ............................................................... 383
Transfer Types ................................................. 382
Ping-Pong Buffer Configuration ............................... 362
Power Modes ........................................................... 378
Bus Power Only ............................................... 378
Dual Power with Self-Power Dominance ......... 378
Self-Power Only ............................................... 378
Transceiver Current Consumption ................... 379
RAM ......................................................................... 365
Memory Map .................................................... 365
Status and Control ................................................... 358
UFRMH:UFRML Registers ...................................... 365
USB Specifications .......................................................... 506
USB. See Universal Serial Bus.
V
Voltage Reference Specifications .................................... 505
Voltage Regulator (On-Chip) ........................................... 429
Operation in Sleep Mode ......................................... 430
W
Watchdog Timer (WDT) ........................................... 417, 427
Associated Registers ............................................... 428
Control Register ....................................................... 427
During Oscillator Failure .......................................... 432
Programming Considerations .................................. 427
WCOL ...................................................... 311, 312, 313, 316
WCOL Status Flag ................................... 311, 312, 313, 316
WWW Address ................................................................ 559
WWW, On-Line Support ...................................................... 9
X
XORLW ............................................................................ 475
XORWF ........................................................................... 476
DS39931D-page 558
 2011 Microchip Technology Inc.