PIC16F819 Microchip Technology Inc., PIC16F819 Datasheet - Page 132

• Manufacturer Part Number: PIC16F819
• Description: 18/20-pin Enhanced Flash Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

PIC16F818/819
15.5
The timing parameter symbols have been created
using one of the following formats:
FIGURE 15-3:
DS39598E-page 130
1. TppS2ppS
2. TppS
T
pp
S
I
CC
ST
2
C only
F
Lowercase letters (pp) and their meanings:
cc
ck
cs
di
do
dt
io
mc
Uppercase letters and their meanings:
F
H
I
L
AA
BUF
T
HD
DAT
STA
CC
:
ST
Timing Parameter Symbology
(I
2
C specifications only)
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
R
C
L
L
LOAD CONDITIONS
= 464
= 50 pF
Pin
Load Condition 1
15 pF
for all pins except OSC2, but including PORTD and PORTE outputs as ports
for OSC2 output
V
V
DD
SS
/2
R
C
L
L
3. T
4. Ts
T
osc
rd
rw
sc
ss
t0
t1
wr
P
R
V
Z
High
Low
SU
STO
CC
:
ST
Pin
Time
OSC1
RD
RD or WR
SCK
SS
T0CKI
T1CKI
WR
Period
Rise
Valid
High-impedance
High
Low
Setup
Stop condition
Load Condition 2
(I
(I
2
2
C specifications only)
C specifications only)
V
 2004 Microchip Technology Inc.
SS
C
L