PIC16F57 Microchip Technology Inc., PIC16F57 Datasheet - Page 65

• Manufacturer Part Number: PIC16F57
• Description: Flash-based, 8-bit Cmos Microcontroller Series
• Manufacturer: Microchip Technology Inc.

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