PIC18F2221 MICROCHIP [Microchip Technology], PIC18F2221 Datasheet - Page 347

• Manufacturer Part Number: PIC18F2221
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

26.4
26.4.1
The timing parameter symbols have been created
using one of the following formats:
© 2007 Microchip Technology Inc.
1. TppS2ppS
2. TppS
T
Lowercase letters (pp) and their meanings:
pp
Uppercase letters and their meanings:
S
I
T
CC
ST
2
CC
C only
F
cc
ck
cs
di
do
dt
io
mc
F
H
I
L
AA
BUF
:
HD
DAT
STA
ST
(I
AC (Timing) Characteristics
2
C specifications only)
TIMING PARAMETER SYMBOLOGY
Frequency
CCP1
CLKO
CS
SDI
SDO
Data in
I/O port
MCLR
Fall
High
Invalid (High-impedance)
Low
output access
Bus free
Hold
DATA input hold
Start condition
Preliminary
3. T
4. Ts
CC
T
osc
rd
rw
sc
ss
t0
t1
wr
P
R
V
Z
High
Low
SU
STO
PIC18F4321 FAMILY
:
ST
(I
(I
Time
OSC1
RD
RD or WR
SCK
SS
T0CKI
T13CKI
WR
Period
Rise
Valid
High-impedance
High
Low
Setup
Stop condition
2
2
C specifications only)
C specifications only)
DS39689E-page 345