PIC18F2458 Datasheet, PDF (41/46 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash, USB Microcontrollers with 12-Bit A/D and nanoWatt Technology

PIC18F2458/2553/4458/4553
INDEX
A
A/D ..................................................................................... 19
A/D Converter Interrupt, Configuring ......................... 23
Acquisition Requirements .......................................... 24
ADCON0 Register ...................................................... 19
ADCON1 Register ...................................................... 19
ADCON2 Register ...................................................... 19
ADRESH Register ................................................ 19, 22
ADRESL Register ...................................................... 19
Analog Port Pins, Configuring .................................... 26
Associated Registers ................................................. 28
Calculating the Minimum Required
Acquisition Time ................................................ 24
Configuring the Module .............................................. 23
Conversion Clock (TAD) ............................................. 25
Conversion Status (GO/DONE Bit) ............................ 22
Conversions ............................................................... 27
Converter Characteristics .......................................... 33
Discharge ................................................................... 27
Operation in Power-Managed Modes ........................ 26
Selecting and Configuring Acquisition Time .............. 25
Special Event Trigger (CCP) ...................................... 28
Use of the CCP2 Trigger ............................................ 28
Absolute Maximum Ratings ............................................... 31
ADCON0 Register .............................................................. 19
GO/DONE Bit ............................................................. 22
ADCON1 Register .............................................................. 19
ADCON2 Register .............................................................. 19
ADRESH Register .............................................................. 19
ADRESL Register ........................................................ 19, 22
Analog-to-Digital Converter. See A/D.
B
Block Diagrams
A/D ............................................................................. 22
Analog Input Model .................................................... 23
PIC18F2458/2553 ........................................................ 7
PIC18F4458/4553 ........................................................ 8
C
Compare (CCP Module)
Special Event Trigger ................................................. 28
Configuration Bits ............................................................... 29
Customer Change Notification Service .............................. 41
Customer Notification Service ............................................ 41
Customer Support .............................................................. 41
D
Device Differences ............................................................. 37
Device ID Registers ........................................................... 29
Device Overview .................................................................. 5
Other Special Features ................................................ 5
E
Electrical Characteristics .................................................... 31
Equations
A/D Acquisition Time .................................................. 24
A/D Minimum Charging Time ..................................... 24
Errata ................................................................................... 4
I
Internet Address ................................................................. 41
Interrupt Sources
A/D Conversion Complete ......................................... 23
M
Microchip Internet Web Site ............................................... 41
Migration from High-End to
Enhanced Devices ..................................................... 38
Migration from Mid-Range to
Enhanced Devices ..................................................... 38
P
Packaging Information ....................................................... 35
Pin Functions
MCLR/VPP/RE3 ........................................................... 9
MCLR/VPP/RE3 ......................................................... 13
NC/ICCK/ICPGC ....................................................... 18
NC/ICDT/ICPGD ........................................................ 18
NC/ICPORTS ............................................................ 18
NC/ICRST/ICVPP ....................................................... 18
OSC1/CLKI ............................................................ 9, 13
OSC2/CLKO/RA6 .................................................. 9, 13
RA0/AN0 .............................................................. 10, 14
RA1/AN1 .............................................................. 10, 14
RA2/AN2/VREF-/CVREF ....................................... 10, 14
RA3/AN3/VREF+ .................................................. 10, 14
RA4/T0CKI/C1OUT/RCV ..................................... 10, 14
RA5/AN4/SS/HLVDIN/C2OUT ............................ 10, 14
RB0/AN12/INT0/FLT0/SDI/SDA .......................... 11, 15
RB1/AN10/INT1/SCK/SCL .................................. 11, 15
RB2/AN8/INT2/VMO ............................................ 11, 15
RB3/AN9/CCP2/VPO .......................................... 11, 15
RB4/AN11/KBI0 ......................................................... 11
RB4/AN11/KBI0/CSSPP ............................................ 15
RB5/KBI1/PGM .................................................... 11, 15
RB6/KBI2/PGC .................................................... 11, 15
RB7/KBI3/PGD .................................................... 11, 15
RC0/T1OSO/T13CKI ........................................... 12, 16
RC1/T1OSI/CCP2/UOE ....................................... 12, 16
RC2/CCP1 ................................................................. 12
RC2/CCP1/P1A ......................................................... 16
RC4/D-/VM .......................................................... 12, 16
RC5/D+/VP .......................................................... 12, 16
RC6/TX/CK .......................................................... 12, 16
RC7/RX/DT/SDO ................................................. 12, 16
RD0/SPP0 ................................................................. 17
RD1/SPP1 ................................................................. 17
RD2/SPP2 ................................................................. 17
RD3/SPP3 ................................................................. 17
RD4/SPP4 ................................................................. 17
RD5/SPP5/P1B ......................................................... 17
RD6/SPP6/P1C ......................................................... 17
RD7/SPP7/P1D ......................................................... 17
RE0/AN5/CK1SPP .................................................... 18
RE1/AN6/CK2SPP .................................................... 18
RE2/AN7/OESPP ...................................................... 18
VDD ...................................................................... 12, 18
VSS ...................................................................... 12, 18
VUSB .................................................................... 12, 18
Pinout I/O Descriptions
PIC18F2458/2553 ....................................................... 9
PIC18F4458/4553 ..................................................... 13
Power-Managed Modes
and A/D Operation ..................................................... 26
© 2007 Microchip Technology Inc.
Preliminary
DS39887B-page 39