PIC18F2450_08 Datasheet, PDF (285/324 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

21.4 AC (Timing) Characteristics
21.4.1 TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created
using one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase letters (pp) and their meanings:
pp
cc
CCP1
ck
CLKO
dt
Data in
io
I/O port
:Uppercase Letters and their meanings
S
F
Fall
H
High
I
Invalid (High-Impedance)
L
Low
PIC18F2450/4450
T
Time
mc
MCLR
osc
OSC1
wr
WR
t0
T0CKI
t1
T1CKI
P
R
V
Z
High
Low
Period
Rise
Valid
High-Impedance
High
Low
© 2008 Microchip Technology Inc.
DS39760D-page 283