Microchip Technology DM163025-1 数据表
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
4
12
MHz
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)
(PIC18(L)F2X/45K50)
Standard Operating Conditions (unless otherwise stated)
Operating temperature
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.