PIC16F5X
11.4 Timing Parameter Symbology and Load Conditions
The timing parameter symbols have been created with one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
T
Time
Lowercase letters (pp) and their meanings:
pp
2
to
mc MCLR
ck CLKOUT
osc oscillator
os OSC1
cy cycle time
drt device reset timer
io I/O port
t0 T0CKI
wdt watchdog timer
Uppercase letters and their meanings:
S
F
H
I
Fall
P
R
V
Z
Period
High
Rise
Invalid (High-impedance)
Low
Valid
L
High-impedance
FIGURE 11-2:
LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS – PIC16F5X
Pin
Legend:
CL
CL =
50 pF
for all pins and OSC2 for RC mode
0-15 pF
for OSC2 in XT, HS or LP modes when
external clock is used to drive OSC1
VSS
11.5
Timing Diagrams and Specifications
EXTERNAL CLOCK TIMING
FIGURE 11-3:
Q4
Q3
Q4
4
Q1
Q1
Q2
OSC1
1
3
3
4
2
CLKOUT
© 2007 Microchip Technology Inc.
DS41213D-page 63
MICROCHIP [ MICROCHIP ]
