參數(shù)資料
型號: MPC5668GF0AVMGR
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 116 MHz, MICROCONTROLLER, PBGA208
封裝: 17 X 17 MM, 1 MM PITCH, ROHS COMPLIANT, MO151AAF-1, MAPBGA-208
文件頁數(shù): 31/66頁
文件大?。?/td> 889K
代理商: MPC5668GF0AVMGR
Electrical Characteristics
MPC5668x Microcontroller Data Sheet, Rev. 3
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
37
8
Crystal manufacturer’s recommended
capacitive load
CL
See crystal
specification
See crystal
specification
pF
9
Discrete load capacitance to be connected
to EXTAL
CL_EXTAL
—2
×C
L –CS_EXTAL
CPCB_EXTAL
5
pF
10
Discrete load capacitance to be connected
to XTAL
CL_XTAL
—2
×C
L –CS_XTAL –C
PCB_XTAL
5
pF
11
Startup Time
tstartup
—10
ms
1 When PLL frequency modulation is active, reference frequencies less than 8 MHz will distort the modulated waveform and the
effects of this on emissions is not characterized.
2 This parameter is meant for those who do not use quartz crystals or resonators, but instead use CAN oscillators in crystal
mode. In that case, Vextal –Vxtal ≥ 400 mV criteria has to be met for oscillator’s comparator to produce output clock.
3 This parameter is meant for those who do not use quartz crystals or resonators, but instead use CAN oscillators in crystal
mode. In that case, Vxtal –Vextal ≥ 400 mV criteria has to be met for oscillator’s comparator to produce output clock.
4 I
xtal is the oscillator bias current out of the XTAL pin with both EXTAL and XTAL pins grounded.
5 C
PCB_EXTAL and CPCB_XTAL are the measured PCB stray capacitances on EXTAL and XTAL, respectively.
Table 15. 5 V Low Frequency (32 kHz) External Oscillator
Spec
Characteristic
Symbol
Min.
Max
Unit
1
Frequency Range
fref32
32
40
kHz
2
Duty Cycle of reference
tdc32
40
60
%
3
XTAL32 Current1
1 I
xtal32 is the oscillator bias current out of the XTAL32 pin with both EXTAL32 and XTAL32 pins grounded.
IXTAL32
—3
μA
4
Crystal manufacturer’s recommended
capacitive load
CL32
See crystal
specification
See crystal
specification
pF
5
Startup Time
tStartup
—2
s
Table 16. 5 V High Frequency (16 MHz) Internal RC Oscillator
Spec
Characteristic
Symbol
Range
Min
Typ
Max
Unit
1
Frequency before trim1
1 Across process, voltage, and temperature.
fut
35%
10.4
16
21.6
MHz
2
Frequency after loading factory trim2
2 Across voltage and temperature.
ft
5%
15.2
16
16.8
MHz
3
Application trim resolution3
3 Fixed voltage and temperature.
ts
——
±0.5%
4
Application frequency trim step3
fs
300
kHz
5
Startup Time
tStartup
500
ns
Table 14. 3.3 V High Frequency External Oscillator (continued)
Spec
Characteristic
Symbol
Min
Max
Unit
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MPC5668x
products
in
208
and
256
MAPBGA
packages
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