Datasheet

Table Of Contents
© 2008 Microchip Technology Inc. DS41319B-page 67
PIC12F519
11.2 Timing Parameter Symbology and Load Conditions – PIC12F519
The timing parameter symbols have been created following one of the following formats:
FIGURE 11-3: LOAD CONDITIONS – PIC12F519
FIGURE 11-4: EXTERNAL CLOCK TIMING – PIC12F519
1. TppS2ppS
2. TppS
T
F Frequency T Time
Lowercase subscripts (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
VSS
pin
Legend:
C
L = 50 pF for all pins except OSC2
15 pF for OSC2 in XT or LP modes
when external clock is used
to drive OSC1
OSC1
Q4
Q1 Q2
Q3 Q4 Q1
133
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