RFPIC12C509AG Datasheet, PDF (82/104 Pages) Microchip Technology – 18/20-Pin 8-Bit CMOS Microcontroller with UHF ASK/FSK Transmitter

rfPIC12C509AG/509AF
11.4 Timing Parameter Symbology and Load Conditions
The timing parameter symbols have been created following one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase subscripts (pp) and their meanings:
pp
2
to
ck
CLKOUT
cy
cycle time
drt
device reset timer
io
I/O port
Uppercase letters and their meanings:
S
F
Fall
H
High
I
Invalid (Hi-impedance)
L
Low
T
Time
mc
MCLR
osc
oscillator
os
OSC1
t0
T0CKI
wdt
watchdog timer
P
Period
R
Rise
V
Valid
Z
Hi-impedance
FIGURE 11-3:
LOAD CONDITIONS
Pin
CL = 50 pF for all pins except OSC2
CL
15 pF for OSC2 in XT, HS or LP
modes when external clock
VSS
is used to drive OSC1
DS70031A-page 80
Preliminary
© 2001 Microchip Technology Inc.