mpc5645s Freescale Semiconductor, Inc, mpc5645s Datasheet - Page 88

• Manufacturer Part Number: mpc5645s
• Description: Mpc5645s Microcontroller Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

Electrical characteristics
4.12
The device provides a frequency-modulated phase-locked loop (FMPLL) module to generate a fast system clock from the fast
external oscillator driver.
88
1
2
3
1
2
3
T
f
T
V
T
f
I

PLLOUT
T
XOSCLPS
f
XOSCLP
XOSCLP
V
All values need to be confirmed during device validation.
PLLIN clock retrieved directly from XOSCHS clock. Input characteristics are granted when oscillator is used in functional
mode. When bypass mode is used, oscillator input clock should verify f
V
All values need to be confirmed during device validation.
Granted by device validation
XOSCLP
PLLIN
f
PLLIN
I
LOCK
CPU
PLL
PKJIT
Symbol
DDPLL
V
DD
LTJIT
V
Symbol
U
IH
IL
= 3.3 V ± 10% / 5.0 V ± 10%, T
= 1.2 V ± 10%, T
CC
CC
CC
CC
CC
CC
FMPLL electrical characteristics
SR
SR
CC
CC
CC
SR
SR
SR
4
4
4
4
4
7
3
3
3
C
T PLL reference clock
T PLL reference clock duty cycle
T PLL output clock frequency
T System clock frequency
T PLL lock time
T PLL jitter
T PLL long term jitter
D Current Consumption (Normal
C
C Oscillator frequency
C Oscillation amplitude
D Oscillator consumption
D Oscillator start-up time
C Input high level CMOS
C Input low level CMOS
Mode for Analog Supply)
Schmitt Trigger
Schmitt Trigger
Table 36. Slow external crystal oscillator electrical characteristics
A
Parameter
= -40 to +105 °C, unless otherwise specified.
Parameter
Table 37. FMPLL electrical characteristics
A
MPC5645S Microcontroller Data Sheet, Rev. 6
= -40 to +105 °C, unless otherwise specified
3
V
V
V
V
Oscillator bypass mode
Oscillator bypass mode
DDA
DDE_A
DDA
DDE_A
3
=3.3V10%,
=5.0V10%,
Conditions
Stable oscillator (f
f
15.625 MHz @ 10 MHz resonator
f
T
=3.3V10%
=5.0V10%
PLLOUT
PLLIN
A
= 25°C
= 10 MHz (resonator)
(PHI i.e. FMPLL O/P) =
Conditions
1
PLLIN
0.65V
0.65V
PLLIN
V
SS
1.12
1.12
1
Min
32
—
—
= 10 MHz)
–0.4
DDE_A
DDA
and 
PLLIN
Value
1.33
1.37
Typ
–509
47.5
–2.4
Min
—
—
—
—
—
.
15
—
—
—
4
2
Value
Typ
V
0.35V
—
—
—
—
—
—
—
—
V
0.35V
DDE_A
DDA
Freescale Semiconductor
Max
1.74
1.74
2
40
5
2
DDE_A
+0.4
DDA
+0.4
250
125
Max
52.5
120
100
509
500
2.4
5
6
Unit SpecID
kHz
µA
V
V
V
MHz O11.1
MHz O11.3
MHz O11.4
Unit SpecID
s
µA
µs
ps
ns
%
O10.1
O10.2
O10.3
O10.4
O10.5
O10.6
O11.2
O11.5
O11.6
O11.7
O11.8