PIC18F4550ESOSQTP datasheet(420/430 Pages) MICROCHIP

420 / 430 page

PIC18F2455/2550/4455/4550

DS39632D-page 418

Preliminary

Pin Functions

MCLR/VPP/RE3 .................................................... 12, 16

NC/ICCK/ICPGC ........................................................ 21

NC/ICDT/ICPGD ........................................................ 21

NC/ICPORTS ............................................................. 21

NC/ICRST/ICVPP ....................................................... 21

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 ................................................................... 102

PLL Frequency Multiplier ................................................... 26

HSPLL, XTPLL, ECPLL and ECPIO

Oscillator Modes ................................................ 26

PLL Lock Time-out ............................................................. 47

POP .................................................................................. 336

POR. See Power-on Reset.

PORTA

Associated Registers ............................................... 113

I/O Summary ............................................................ 112

LATA Register .......................................................... 111

PORTA Register ...................................................... 111

TRISA Register ........................................................ 111

PORTB

Associated Registers ............................................... 116

I/O Summary ............................................................ 115

LATB Register ......................................................... 114

PORTB Register ...................................................... 114

RB1/AN10/INT1/SCK/SCL Pin ................................ 209

RB7:RB4 Interrupt-on-Change Flag (RBIF Bit) ........ 114

TRISB Register ........................................................ 114

PORTC

Associated Registers ............................................... 119

I/O Summary ............................................................ 118

LATC Register ......................................................... 117

PORTC Register ...................................................... 117

TRISC Register ........................................................ 117

PORTD

Associated Registers ............................................... 122

I/O Summary ............................................................ 121

LATD Register ......................................................... 120

PORTD Register ...................................................... 120

TRISD Register ........................................................ 120

PORTE

Associated Registers ............................................... 124

I/O Summary ............................................................ 124

LATE Register ......................................................... 123

PORTE Register ...................................................... 123

TRISE Register ........................................................ 123

Postscaler, WDT

Assignment (PSA Bit) .............................................. 127

Rate Select (T0PS2:T0PS0 Bits) ............................. 127

Power-Managed Modes ..................................................... 35

and Multiple Sleep Commands .................................. 36

and PWM Operation ................................................ 161

Clock Sources ............................................................ 35

Clock Transitions and Status Indicators .................... 36

Entering ..................................................................... 35

Exiting Idle and Sleep Modes .................................... 41

by Interrupt ........................................................ 41

by Reset ............................................................ 41

by WDT Time-out .............................................. 41

Without an Oscillator Start-up Delay ................. 42

Idle ............................................................................. 39

Idle Modes

PRI_IDLE ........................................................... 40

RC_IDLE ........................................................... 41

SEC_IDLE ......................................................... 40

Run Modes ................................................................ 36

PRI_RUN ........................................................... 36

RC_RUN ............................................................ 37

SEC_RUN ......................................................... 36

Selecting .................................................................... 35

Sleep ......................................................................... 39

Summary (table) ........................................................ 35

Power-on Reset (POR) ...................................................... 45

Oscillator Start-up Timer (OST) ................................. 47

Power-up Timer (PWRT) ........................................... 47

Time-out Sequence ................................................... 47

Power-up Delays ............................................................... 33

Power-up Timer (PWRT) ............................................. 33, 47

Prescaler

Timer2 ..................................................................... 152

Prescaler, Timer0 ............................................................ 127

Assignment (PSA Bit) .............................................. 127

Rate Select (T0PS2:T0PS0 Bits) ............................. 127

PIC18F4550ESOSQTP Datasheet(PDF) 420 Page - Microchip Technology

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