Datasheet

PIC18(L)F2X/45K50
DS30684A-page 482  2012 Microchip Technology Inc.
TABLE 29-8: PLL CLOCK TIMING SPECIFICATIONS
Param.
No.
Sym Characteristic Min Max Units Conditions
F10
F
OSC 4xPLL Oscillator Frequency Range 4 5 MHz
V
DD < 2.7V,
-40°C to +85°C
412MHz
2.7V  V
DD,
-40°C to +85°C
F10B
F
OSC 3xPLL Oscillator Frequency Range 4 4 MHz
2.7V  V
DD,
-40°C to +85°C
F11
F
SYS On-Chip VCO System Frequency 16 20 MHz
V
DD < 2.7V,
-40°C to +85°C
16 48 MHz
2.7V  V
DD,
-40°C to +85°C
F12
t
rc
PLL Start-up Time (Lock Time) — 2 ms
TABLE 29-9: AC CHARACTERISTICS:INTERNAL OSCILLATORS ACCURACY
(PIC18(L)F2X/45K50)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  T
A  +85°C
Param.
No.
Min Typ Max Units Conditions
OA1 HF-INTOSC Accuracy
(1)
-2 ±1 +2 % +0°C to +70°C
-3 — +2 % +70°C to +85°C
-5 — +5 % -40°C to 85°C
OA1B HF-INTOSC Accuracy with Active Clock Tuning (ACT)
-0.20 ±0.05 +0.20 % -40°C to +85°C
(2)
, Active Clock Tune
is enabled and locked.
OA1C OSCTUNE Step Size
TBD TBD TBD
%
OA2 INTRC Accuracy @ Freq = 31 kHz
26.5625 — 35.9375 kHz -40°C to +85°C
Legend: TBD = To be determined.
Note 1: Frequency calibrated at 25°C. OSCTUNE register can be used to compensate for temperature drift.
2: Accuracy measured with respect to reference source.