mpc5553 Freescale Semiconductor, Inc, mpc5553 Datasheet - Page 20

• Manufacturer Part Number: mpc5553
• Description: Mpc5553 High Performance Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Electrical Characteristics
3.9
20
Spec
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
PLL reference frequency range:
System frequency
System clock period
Loss of reference frequency
Self clocked mode (SCM) frequency
EXTAL input high voltage
All other modes (dual controller (1:1),
EXTAL input low voltage
All other modes (dual controller (1:1),
bypass, external reference)
XTAL current
Total on-chip stray capacitance on XTAL
Total on-chip stray capacitance on EXTAL
Crystal manufacturer’s recommended
Discrete load capacitance to connect to
Discrete load capacitance to connect to
PLL lock time
Dual controller (1:1) clock skew
Duty cycle of reference
Frequency un-LOCK range
Frequency LOCK range
Oscillator and FMPLL Electrical Characteristics
bypass, external reference)
capacitive load
EXTAL
XTAL
(between CLKOUT and EXTAL)
Crystal reference
External reference
Dual controller (1:1 mode)
crystal mode
crystal mode
Characteristic
9
7
5
6
1
(V
DDSYN
Table 12. FMPLL Electrical Specifications
3
MPC5553 Microcontroller Data Sheet, Rev. 2.0
= 3.0–3.6 V; V
10, 11
4
C
C
f
SS
Symbol
C
C
ref_crystal
V
V
V
V
f
f
S_EXTAL
L_EXTAL
ref_1:1
I
ref_ext
S_XTAL
L_XTAL
t
t
f
f
f
IHEXT
IHEXT
ILEXT
ILEXT
XTAL
skew
f
t
SCM
t
f
LCK
= V
CYC
LOR
C
sys
DC
UL
lpll
L
SSSYN
= 0.0 V; T
[(V
Refer to crystal
DDE5
f
V
ICO
specification
XTAL
Minimum
(
MIN
– 4.0
– 2.0
÷ 2) + 0.4 V]
100
7.4
0.8
24
–2
40
—
—
—
—
—
—
—
—
)
A
8
8
+ 0.4 V
÷ 2
= T
RFD
L
to T
H
)
[(V
(2 × C
(2 × C
Refer to crystal
– C
DDE5
V
specification
C
XTAL
Maximum
L
PCB_XTAL
L
PCB_EXTAL
f
1 ÷ f
f
) – C
Freescale Semiconductor
sys
MAX
) – C
1000
17.5
750
÷ 2) – 0.4 V]
1.5
1.5
4.0
2.0
20
20
60
—
—
3
2
– 0.4 V
÷ 2
sys
S_XTAL
S_EXTAL
2
8
8
–
% f
% f
MHz
MHz
MHz
Unit
kHz
mA
ns
pF
pF
pF
pF
pF
μs
ns
%
V
V
V
V
SYS
SYS