PIC18F4321 Datasheet, PDF (388/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt 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.