參數(shù)資料
型號: MPC5646CCF0CMJ1
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 120 MHz, MICROCONTROLLER, PBGA256
封裝: 17 X 17 MM, 1 MM PITCH, ROHS COMPLIANT, MAPBGA-256
文件頁數(shù): 80/115頁
文件大小: 783K
代理商: MPC5646CCF0CMJ1
Electrical Characteristics
MPC5646C Microcontroller Datasheet, Rev. 4
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
67
Figure 12. Crystal oscillator and resonator connection scheme
NOTE
OSC32K_XTAL/OSC32K_EXTAL must not be directly used to drive external circuits.
l
Figure 13. Equivalent circuit of a quartz crystal
Table 36. Crystal motional characteristics1
Symbol
Parameter
Conditions
Value
Unit
Min
Typ
Max
Lm
Motional inductance
11.796
KH
Cm
Motional capacitance
2
fF
C1/C2 Load capacitance at OSC32K_XTAL and
OSC32K_EXTAL with respect to ground2
—18
28
pF
Rm
3
Motional resistance
AC coupled @ C0 = 2.85 pF4
——
65
k
AC coupled @ C0 = 4.9 pF(4)
——
50
AC coupled @ C0 = 7.0 pF(4)
——
35
AC coupled @ C0 = 9.0 pF(4)
——
30
OSC32K_XTAL
OSC32K_EXTAL
DEVICE
C2
C1
Cr
y
s
ta
l
OSC32K_XTAL
OSC32K_EXTAL
RP
Re
so
na
to
r
DEVICE
C0
C2
C1
C2
Rm
C1
Lm
Cm
Crystal
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