12F508 Microchip Technology, 12F508 Datasheet - Page 75
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
12F508
Manufacturer Part Number
12F508
Description
Search -----> PIC12F508
Manufacturer
Microchip Technology
Datasheet
1.12F508.pdf
(98 pages)
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Part Number:
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SILICON
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10.3
The timing parameter symbols have been created following one of the following formats:
FIGURE 10-3:
FIGURE 10-4:
© 2005 Microchip Technology Inc.
1. TppS2ppS
2. TppS
T
pp
S
Lowercase subscripts (pp) and their meanings:
2
ck
cy
drt
io
Uppercase letters and their meanings:
F
H
I
L
F
OSC1
Timing Parameter Symbology and Load Conditions – PIC12F508/509/16F505
Frequency
to
CLKOUT
Cycle time
Device Reset Timer
I/O port
Fall
High
Invalid (high-impedance)
Low
LOAD CONDITIONS – PIC12F508/509/16F505
EXTERNAL CLOCK TIMING – PIC12F508/509/16F505
Q4
pin
Q1
1
V
SS
Preliminary
C
L
Q2
PIC12F508/509/16F505
Legend:
C
L
2
mc
osc
os
t0
wdt
P
R
V
Z
T Time
= 50 pF for all pins except OSC2
15 pF for OSC2 in XT, HS or LP
3
Q3
MCLR
Oscillator
OSC1
T0CKI
Watchdog Timer
Period
Rise
Valid
High-impedance
modes when external clock
is used to drive OSC1
3
Q4
4
4
Q1
DS41236B-page 73
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