PIC18F4550-IP Datasheet, PDF (430/438 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2455/2550/4455/4550
OSC1/CLKI .......................................................... 12, 16
OSC2/CLKO/RA6 ................................................ 12, 16
RA0/AN0 .............................................................. 13, 17
RA1/AN1 .............................................................. 13, 17
RA2/AN2/VREF-/CVREF ........................................ 13, 17
RA3/AN3/VREF+ ................................................... 13, 17
RA4/T0CKI/C1OUT/RCV ..................................... 13, 17
RA5/AN4/SS/HLVDIN/C2OUT ............................. 13, 17
RB0/AN12/INT0/FLT0/SDI/SDA .......................... 14, 18
RB1/AN10/INT1/SCK/SCL ................................... 14, 18
RB2/AN8/INT2/VMO ............................................ 14, 18
RB3/AN9/CCP2/VPO ........................................... 14, 18
RB4/AN11/KBI0 ......................................................... 14
RB4/AN11/KBI0/CSSPP ............................................ 18
RB5/KBI1/PGM .................................................... 14, 18
RB6/KBI2/PGC .................................................... 14, 18
RB7/KBI3/PGD .................................................... 14, 18
RC0/T1OSO/T13CKI ........................................... 15, 19
RC1/T1OSI/CCP2/UOE ....................................... 15, 19
RC2/CCP1 ................................................................. 15
RC2/CCP1/P1A ......................................................... 19
RC4/D-/VM ........................................................... 15, 19
RC5/D+/VP .......................................................... 15, 19
RC6/TX/CK .......................................................... 15, 19
RC7/RX/DT/SDO ................................................. 15, 19
RD0/SPP0 .................................................................. 20
RD1/SPP1 .................................................................. 20
RD2/SPP2 .................................................................. 20
RD3/SPP3 .................................................................. 20
RD4/SPP4 .................................................................. 20
RD5/SPP5/P1B .......................................................... 20
RD6/SPP6/P1C .......................................................... 20
RD7/SPP7/P1D .......................................................... 20
RE0/AN5/CK1SPP ..................................................... 21
RE1/AN6/CK2SPP ..................................................... 21
RE2/AN7/OESPP ....................................................... 21
VDD ....................................................................... 15, 21
VSS ....................................................................... 15, 21
VUSB ..................................................................... 15, 21
Pinout I/O Descriptions
PIC18F2455/2550 ...................................................... 12
PIC18F4455/4550 ...................................................... 16
PIR Registers ................................................................... 104
PLL Frequency Multiplier ................................................... 27
HSPLL, XTPLL, ECPLL and ECPIO
Oscillator Modes ................................................ 27
PLL Lock Time-out ............................................................. 49
POP .................................................................................. 342
POR. See Power-on Reset.
PORTA
Associated Registers ............................................... 115
I/O Summary ............................................................ 114
LATA Register .......................................................... 113
PORTA Register ...................................................... 113
TRISA Register ........................................................ 113
PORTB
Associated Registers ............................................... 118
I/O Summary ............................................................ 117
LATB Register .......................................................... 116
PORTB Register ...................................................... 116
RB1/AN10/INT1/SCK/SCL Pin ................................. 214
RB7:RB4 Interrupt-on-Change Flag (RBIF Bit) ........ 116
TRISB Register ........................................................ 116
PORTC
Associated Registers ............................................... 121
I/O Summary ............................................................ 120
LATC Register ......................................................... 119
PORTC Register ...................................................... 119
TRISC Register ........................................................ 119
PORTD
Associated Registers ............................................... 124
I/O Summary ............................................................ 123
LATD Register ......................................................... 122
PORTD Register ...................................................... 122
TRISD Register ........................................................ 122
PORTE
Associated Registers ............................................... 126
I/O Summary ............................................................ 126
LATE Register ......................................................... 125
PORTE Register ...................................................... 125
TRISE Register ........................................................ 125
Postscaler, WDT
Assignment (PSA Bit) .............................................. 129
Rate Select (T0PS2:T0PS0 Bits) ............................. 129
Power-Managed Modes ..................................................... 35
and Multiple Sleep Commands .................................. 36
and PWM Operation ................................................ 163
Clock Sources ............................................................ 35
Clock Transitions and Status Indicators .................... 36
Entering ..................................................................... 35
Exiting Idle and Sleep Modes .................................... 42
by Interrupt ........................................................ 42
by Reset ............................................................ 42
by WDT Time-out .............................................. 42
Without an Oscillator Start-up Delay ................. 43
Idle ............................................................................. 40
Idle Modes
PRI_IDLE ........................................................... 41
RC_IDLE ........................................................... 42
SEC_IDLE ......................................................... 41
Run Modes ................................................................ 36
PRI_RUN ........................................................... 36
RC_RUN ............................................................ 38
SEC_RUN ......................................................... 36
Selecting .................................................................... 35
Sleep ......................................................................... 40
Summary (table) ........................................................ 35
Power-on Reset (POR) ...................................................... 47
Oscillator Start-up Timer (OST) ................................. 49
Power-up Timer (PWRT) ........................................... 49
Time-out Sequence ................................................... 49
Power-up Delays ............................................................... 34
Power-up Timer (PWRT) ............................................. 34, 49
Prescaler
Timer2 ..................................................................... 154
Prescaler, Timer0 ............................................................ 129
Assignment (PSA Bit) .............................................. 129
Rate Select (T0PS2:T0PS0 Bits) ............................. 129
Prescaler, Timer2 ............................................................ 149
PRI_IDLE Mode ................................................................. 41
PRI_RUN Mode ................................................................. 36
Program Counter ............................................................... 60
PCL, PCH and PCU Registers .................................. 60
PCLATH and PCLATU Registers .............................. 60
DS39632E-page 428
© 2009 Microchip Technology Inc.