Microchip Technology MA330024 Data Sheet
dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610
DS70000591F-page 384
2009-2014 Microchip Technology Inc.
TABLE 27-17: PLL CLOCK TIMING SPECIFICATIONS (V
DD
= 3.0V TO 3.6V)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
(unless otherwise stated)
Operating temperature -40°C
T
A
+85°C for Industrial
-40°C
T
A
+125°C for Extended
Param
No.
Symbol
Characteristic
Min
Typ
Max
Units
Conditions
OS50
F
PLLI
PLL Voltage Controlled
Oscillator (VCO) Input
Frequency Range
Oscillator (VCO) Input
Frequency Range
0.8
—
8
MHz
ECPLL, XTPLL modes
OS51
F
SYS
On-Chip VCO System
Frequency
Frequency
100
—
200
MHz
OS52
T
LOCK
PLL Start-up Time (Lock Time)
0.9
1.5
3.1
mS
OS53
D
CLK
CLKO Stability (Jitter)
(
)
-3
0.5
3
%
Measured over a 100 ms
period
period
Note 1:
Data in “Typ” column is at 3.3V, +25°C unless otherwise stated. Parameters are for design guidance only
and are not tested in manufacturing.
and are not tested in manufacturing.
2:
These parameters are characterized by similarity, but are not tested in manufacturing. This specification is
based on clock cycle by clock cycle measurements. To calculate the effective jitter for individual time
bases or communication clocks, use this formula:
based on clock cycle by clock cycle measurements. To calculate the effective jitter for individual time
bases or communication clocks, use this formula:
Peripheral Clock Jitter
D
CLK
F
OSC
Peripheral Bit Rate Clock
--------------------------------------------------------------
------------------------------------------------------------------------
=
For example: F
OSC
= 32 MHz, D
CLK
= 3%, SPI bit rate clock (i.e., SCK) is 2 MHz.
SPI SCK Jitter
D
CLK
32 MHz
2 MHz
--------------------
------------------------------
3%
16
----------
3%
4
--------
0.75%
=
=
=
=
TABLE 27-18: AUXILIARY PLL CLOCK TIMING SPECIFICATIONS (V
DD
= 3.0V TO 3.6V)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial
-40°C
T
A
+125°C for Extended
Param
No.
Symbol
Characteristic
Min
Typ
Max
Units
Conditions
OS56
F
HPOUT
On-Chip, 16x PLL CCO
Frequency
Frequency
112
118
120
MHz
OS57
F
HPIN
On-Chip, 16x PLL Phase
Detector Input Frequency
Detector Input Frequency
7.0
7.37
7.5
MHz
OS58
T
SU
Frequency Generator Lock
Time
Time
—
—
10
µs
Note 1:
Data in “Typ” column is at 3.3V, +25°C unless otherwise stated. Parameters are for design guidance only
and are not tested in manufacturing.
and are not tested in manufacturing.