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PIC18F2331 Datasheet, PDF (358/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D
PIC18F2331/2431/4331/4431
TABLE 25-5: 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
—
10 MHz HS mode only
F11 FSYS On-chip VCO System Frequency
16
—
40 MHz HS mode only
F12 TPLL PLL Start-up Time (Lock Time)
—
—
2
ms
F13 ∆CLK CLKO Stability (Jitter)
-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 25-6: INTERNAL RC ACCURACY
PIC18F2331/2431/4331/4431 (Industrial)
PIC18LF2331/2431/4331/4431 (Industrial)
PIC18F1220/1320
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
PIC18LF1220/1320
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
Param
No.
Device
Min
Typ Max Units
Conditions
INTOSC Accuracy @ Freq = 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz, 125 kHz(1)
F2
PIC18LF2331/2431/4331/4431 -15
+/-5 +15
%
25°C
VDD = 3.0V
F3
All devices -15
+/-5 +15
%
INTRC Accuracy @ Freq = 31 kHz(2)
25°C
VDD = 5.0V
F5
PIC18LF2331/2431/4331/4431 26.562 — 35.938 kHz
25°C
VDD = 3.0V
F6
All devices 26.562 — 35.938 kHz
INTRC Stability(3)
25°C
VDD = 5.0V
F8
PIC18LF2331/2431/4331/4431 TBD
1
TBD %
25°C
VDD = 3.0V
F9
All devices TBD
1
TBD %
25°C
VDD = 5.0V
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.
INTRC frequency after calibration.
Change of INTRC frequency as VDD changes.
DS39616B-page 356
Preliminary
 2003 Microchip Technology Inc.