Datasheet

PIC12F510/16F506
DS41268D-page 90 © 2007 Microchip Technology Inc.
13.4 Timing Parameter Symbology and Load Conditions
The timing parameter symbols have been created following one of the following formats:
FIGURE 13-5: LOAD CONDITIONS
FIGURE 13-6: EXTERNAL CLOCK TIMING
1. TppS2ppS
2. TppS
T
F Frequency T Time
Lowercase (pp) and their meanings:
pp
2To mcMCLR
ck CLKOUT osc Oscillator
cy Cycle Time os OSC1
drt Device Reset Timer t0 T0CKI
io I/O port wdt Watchdog Timer
Uppercase letters and their meanings:
S
FFall PPeriod
HHigh RRise
I Invalid (high-impedance) V Valid
L Low Z High-impedance
Cl
V
SS
Pin
CL = 50 pF for all pins except OSC2
15 pF for OSC2 in XT, HS or LP
modes when external clock
is used to drive OSC1
Legend:
OSC1
Q4
Q1 Q2
Q3 Q4 Q1
133
44
2