PIC18F4321T-I-SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F4321T-I-SO

28/40/44-Pin High-Performance / Enhanced Flash Microcontrollers with 10-Bit A/D and nano Watt Technology

Microchip Technology 

PIC18F4321 FAMILY

Parallel Slave Port (PSP) ......................................... 114, 120

Associated Registers ............................................... 121

CS (Chip Select) ...................................................... 120

PORTD .................................................................... 120

RD (Read Input) ....................................................... 120

Select (PSPMODE Bit) .................................... 114, 120

WR (Write Input) ...................................................... 120

PICSTART Plus Development Programmer .................... 326

PIE Registers ..................................................................... 98

Pin Functions

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

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

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

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

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

OSC1/CLKI/RA7 .................................................. 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 .............................................. 13, 17

RA5/AN4/SS/HLVDIN/C2OUT ............................. 13, 17

RB0/INT0/FLT0/AN12 .......................................... 14, 18

RB1/INT1/AN10 ................................................... 14, 18

RB2/INT2/AN8 ..................................................... 14, 18

RB3/AN9/CCP2 ................................................... 14, 18

RB4/KBI0/AN11 ................................................... 14, 18

RB5/KBI1/PGM .................................................... 14, 18

RB6/KBI2/PGC .................................................... 14, 18

RB7/KBI3/PGD .................................................... 14, 18

RC0/T1OSO/T13CKI ........................................... 15, 19

RC1/T1OSI/CCP2 ................................................ 15, 19

RC2/CCP1 ................................................................. 15

RC2/CCP1/P1A ......................................................... 19

RC3/SCK/SCL ..................................................... 15, 19

RC4/SDI/SDA ...................................................... 15, 19

RC5/SDO ............................................................. 15, 19

RC6/TX/CK .......................................................... 15, 19

RC7/RX/DT .......................................................... 15, 19

RD0/PSP0 .................................................................. 20

RD1/PSP1 .................................................................. 20

RD2/PSP2 .................................................................. 20

RD3/PSP3 .................................................................. 20

RD4/PSP4 .................................................................. 20

RD5/PSP5/P1B .......................................................... 20

RD6/PSP6/P1C .......................................................... 20

RD7/PSP7/P1D .......................................................... 20

RE0/RD/AN5 .............................................................. 21

RE1/WR/AN6 ............................................................. 21

RE2/CS/AN7 .............................................................. 21

VDD ....................................................................... 15, 21

VSS ....................................................................... 15, 21

Pinout I/O Descriptions

PIC18F2221/2321 ...................................................... 12

PIC18F4221/4321 ...................................................... 16

PIR Registers ..................................................................... 96

PLL Frequency Multiplier ................................................... 25

HSPLL Oscillator Mode .............................................. 25

Use with INTOSC ....................................................... 25

POP .................................................................................. 302

POR. See Power-on Reset.

PORTA

Associated Registers ............................................... 107

LATA Register ......................................................... 105

PORTA Register ...................................................... 105

TRISA Register ........................................................ 105

PORTB

Associated Registers ............................................... 110

LATB Register ......................................................... 108

PORTB Register ...................................................... 108

RB7:RB4 Interrupt-on-Change Flag

(RBIF Bit) ......................................................... 108

TRISB Register ........................................................ 108

PORTC

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

LATC Register ......................................................... 111

PORTC Register ...................................................... 111

RC3/SCK/SCL Pin ................................................... 177

TRISC Register ........................................................ 111

PORTD

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

LATD Register ......................................................... 114

Parallel Slave Port (PSP) Function .......................... 114

PORTD Register ...................................................... 114

TRISD Register ........................................................ 114

PORTE

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

LATE Register ......................................................... 117

PORTE Register ...................................................... 117

PSP Mode Select (PSPMODE Bit) .......................... 114

TRISE Register ........................................................ 117

Power-Managed Modes ..................................................... 33

and A/D Operation ................................................... 234

and EUSART Operation .......................................... 209

and PWM Operation ................................................ 159

and SPI Operation ................................................... 169

Clock Sources ............................................................ 33

Clock Transitions and Status Indicators .................... 34

Effects on Clock Sources ........................................... 32

Entering ..................................................................... 33

Exiting Idle and Sleep Modes .................................... 39

By Interrupt ........................................................ 39

By Reset ............................................................ 39

By WDT Time-out .............................................. 39

Without an Oscillator Start-up Delay ................. 40

Idle Modes ................................................................. 37

PRI_IDLE ........................................................... 38

RC_IDLE ........................................................... 39

SEC_IDLE ......................................................... 38

Multiple Sleep Commands ......................................... 34

Run Modes ................................................................ 34

PRI_RUN ........................................................... 34

RC_RUN ............................................................ 35

SEC_RUN ......................................................... 34

Sleep Mode ............................................................... 37

Summary (table) ........................................................ 33

Power-on Reset (POR) ...................................................... 43

Power-up Timer (PWRT) ........................................... 45

Time-out Sequence ................................................... 45

Power-up Delays ............................................................... 32

Power-up Timer (PWRT) ................................................... 32

Prescaler

Timer2 ..................................................................... 150

DS39689E-page 386

Preliminary

© 2007 Microchip Technology Inc.

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