Datasheet

dsPIC33FJXXXMCX06/X08/X10
DS70287C-page 284 © 2009 Microchip Technology Inc.
TABLE 26-17: PLL CLOCK TIMING SPECIFICATIONS (VDD = 3.0V TO 3.6V)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param
No.
Symbol Characteristic Min Typ
(1)
Max Units Conditions
OS50 FPLLI PLL Voltage Controlled
Oscillator (VCO) Input
Frequency Range
(2)
0.8 — 8.0 MHz ECPLL, HSPLL, XTPLL
modes
OS51 FSYS On-Chip VCO System
Frequency
100 — 200 MHz —
OS52 TLOCK PLL Start-up Time (Lock Time) 0.9 1.5 3.1 ms —
OS53 D
CLK CLKO Stability (Jitter) -3.0 0.5 3.0 % Measured over 100 ms
period
Note 1: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.
TABLE 26-18: AC CHARACTERISTICS: INTERNAL FRC ACCURACY
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param
No.
Characteristic Min Typ Max Units Conditions
Internal FRC Accuracy @ FRC Frequency = 7.37 MHz
(1,2)
F20 FRC -2 — +2 % -40°C ≤ TA ≤ +85°C VDD = 3.0-3.6V
Note 1: Frequency calibrated at 25°C and 3.3V. TUN bits can be used to compensate for temperature drift.
2: FRC set to initial frequency of 7.37 MHz (+1-2%) at 25° C FRC.
TABLE 26-19: INTERNAL LPRC ACCURACY
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param
No.
Characteristic Min Typ Max Units Conditions
LPRC @ 32.768 kHz
(1)
F21 -20 ±6 +20 % -40°C ≤ TA ≤ +85°C VDD = 3.0-3.6V
Note 1: Change of LPRC frequency as V
DD changes.