PIC18F452-IPT Datasheet, PDF (274/332 Pages) Microchip Technology – High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D

PIC18FXX2
TABLE 22-5: PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2 TO 5.5V)
Param
No.
Sym
Characteristic
Min
Typ†
Max Units Conditions
— FOSC Oscillator Frequency Range
4
—
10 MHz HS mode only
— FSYS On-chip VCO System Frequency
16
—
40 MHz HS mode only
— t_rc PLL Start-up Time (Lock Time)
— ΔCLK CLKO Stability (Jitter)
—
—
2
ms
-2
—
+2
%
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
FIGURE 22-6:
OSC1
CLKO AND I/O TIMING
Q4
Q1
10
CLKO
13
14
I/O Pin
(input)
17
I/O Pin
(output)
Old Value
Note:
20, 21
Refer to Figure 22-4 for load conditions.
Q2
19
18
15
Q3
11
12
16
New Value
DS39564C-page 272
© 2006 Microchip Technology Inc.