PIC18F23K20 Datasheet, PDF (378/420 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2XK20/4XK20
TABLE 26-7: 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
—
64 MHz HS mode only
F11 FSYS On-Chip VCO System Frequency
32
—
64 MHz HS mode only
F12
t_rc
PLL Start-up Time (Lock Time)
F13 ΔCLK CLKOUT 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.
TABLE 26-8: AC CHARACTERISTICS: INTERNAL OSCILLATORS ACCURACY
PIC18F2XK20/4XK20
PIC18F2XK20/4XK20
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +125°C
Param
No.
Min
Typ Max Units
Conditions
HFINTOSC Accuracy @ Freq = 16 MHz, 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz⁽¹⁾
1
—
1
%
+25°C
VDD = 1.8-3.6V
-2
—
+2
% 0°C to +85°C VDD = 1.8-3.6V
-5
—
LFINTOSC Accuracy @ Freq = 31 kHz⁽²⁾
+5
% -40°C to +125°C VDD = 1.8-3.6V
26.562 — 35.938 kHz -40°C to +125°C VDD = 1.8-3.6V
Legend:
Note 1:
2:
3:
Shading of rows is to assist in readability of the table.
Frequency calibrated at 25°C. OSCTUNE register can be used to compensate for temperature drift.
INTOSC frequency after calibration.
Change of INTOSC frequency as VDD changes.
FIGURE 26-5:
OSC1
CLKOUT AND I/O TIMING
Q4
Q1
10
CLKOUT
13
14
I/O pin
(Input)
17
I/O pin
(Output)
Old Value
Note:
20, 21
Refer to Figure 26-3 for load conditions.
Q2
19
18
15
Q3
11
12
16
New Value
DS41303B-page 376
Advance Information
© 2007 Microchip Technology Inc.