PIC18F2450 Datasheet, PDF (286/320 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2450/4450
TABLE 21-7: PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2V TO 5.5V)
Param
No.
Sym
Characteristic
Min
Typ†
Max Units Conditions
F10 FOSC Oscillator Frequency Range
4
—
48 MHz
F11 FSYS On-Chip VCO System Frequency
—
96
— MHz
F12
t_rc
PLL Start-up Time (Lock Time)
F13 ΔCLK CLKO Stability (Jitter)
—
—
2
ms
-0.25
—
+0.25 %
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
TABLE 21-8: AC CHARACTERISTICS: INTERNAL RC ACCURACY
PIC18F2450/4450 (INDUSTRIAL)
PIC18LF2450/4450 (INDUSTRIAL)
PIC18LF2450/4450
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
PIC18F2450/4450
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
Param
No.
Device
Min
Typ Max Units
INTRC Accuracy @ Freq = 31 kHz⁽¹⁾
PIC18LF2450/4450 26.562 — 35.938 kHz
PIC18F2450/4450 26.562 — 35.938 kHz
Legend:
Note 1:
2:
Shading of rows is to assist in readability of the table.
INTRC frequency after calibration.
Change of INTRC frequency as VDD changes.
Conditions
-40°C to +85°C
-40°C to +85°C
VDD = 2.7-3.3V
VDD = 4.5-5.5V
FIGURE 21-6:
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 21-4 for load conditions.
Q2
19
18
15
Q3
11
12
16
New Value
DS39760A-page 284
Advance Information
© 2006 Microchip Technology Inc.