PIC16F83/84
TABLE 10-2
TIMING PARAMETER SYMBOLOGY
PIC16F8X
The timing parameter symbols have been created fol-
lowing one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase symbols (pp) and their meanings:
pp
2
to
ck
CLKOUT
cy
cycle time
io
I/O port
inp
INT pin
mc
MCLR
Uppercase symbols and their meanings:
S
F
Fall
H
High
I
Invalid (Hi-impedance)
L
Low
T
Time
os,osc
ost
pwrt
rbt
t0
wdt
OSC1
oscillator start-up timer
power-up timer
RBx pins
T0CKI
watchdog timer
P
R
V
Z
Period
Rise
Valid
High Impedance
FIGURE 10-1: PARAMETER MEASUREMENT INFORMATION
All timings are measure between high and low mea-
surement points as indicated in the 铿乬ures below.
0.7 V
DD
XTAL
0.8 V
DD
RC (High)
0.3 V
DD
XTAL
0.15 V
DD
RC (Low)
OSC1 Measurement Points
I/O Port Measurement Points
0.9 V
DD
(High)
0.1 V
DD
(Low)
FIGURE 10-2: LOAD CONDITIONS
Load Condition 1
V
DD
/2
R
L
Pin
V
SS
R
L
=
C
L
=
464鈩?/div>
50 pF
15 pF
for all pins except OSC2.
for OSC2 output.
C
L
Pin
V
SS
C
L
Load Condition 2
漏
1998 Microchip Technology Inc.
DS30430C-page 79
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