參數(shù)資料
型號： KMPC8315CVRAGDA
廠商： Freescale Semiconductor
文件頁數(shù)： 66/106頁
文件大?。?/td> 0K
描述： IC MPU POWERQUICC II 620-PBGA
標(biāo)準(zhǔn)包裝： 2
系列： MPC83xx
處理器類型： 32-位 MPC83xx PowerQUICC II Pro
速度： 400MHz
電壓： 1V
安裝類型： 表面貼裝
封裝/外殼： 620-BBGA 裸露焊盤
供應(yīng)商設(shè)備封裝： 620-PBGA（29x29）
包裝： 托盤
MPC8315E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2
62
Freescale Semiconductor
PCI Express
De-Emphasized
differential output voltage
(ratio)
VTX-DE-RATIO
Ratio of the VTX-DIFFp-p of the second and
following bits after a transition divided by
the VTX-DIFFp-p of the first bit after a
transition.
–3.0
–3.5
-4.0
dB
2
Minimum TX eye width
TTX-EYE
The maximum Transmitter jitter can be
derived as TTX-MAX-JITTER = 1 - UTX-EYE=
0.3 UI.
0.70
—
UI
2, 3
Maximum time between
the jitter median and
maximum deviation from
the median
TTX-EYE-MEDIAN-to-
MAX-JITTER
Jitter is defined as the measurement
variation of the crossing points
(VTX-DIFFp-p = 0 V) in relation to a
recovered TX UI. A recovered TX UI is
calculated over 3500 consecutive unit
intervals of sample data. Jitter is
measured using all edges of the 250
consecutive UI in the center of the 3500 UI
used for calculating the TX UI.
—
0.15
UI
2, 3
D+/D- TX output rise/fall
time
TTX-RISE, TTX-FALL
—0.125
—
UI
2, 5
RMS AC peak common
mode output voltage
VTX-CM-ACp
VTX-CM-ACp = RMS(|VTXD+ + VTXD-|/2 -
VTX-CM-DC)
VTX-CM-DC = DC(avg) of |VTX-D+ + VTX-D-|/2
——
20
mV
2
Absolute delta of DC
common mode voltage
during L0 and electrical
idle
VTX-CM-DC- ACTIVE-
IDLE-DELTA
|VTX-CM-DC (during L0) - VTX-CM-Idle-DC
(During Electrical Idle)|<=100 mV
VTX-CM-DC = DC(avg) of |VTX-D+ + VTX-D-|/2
[L0]
VTX-CM-Idle-DC = DC(avg) of |VTX-D+ +
VTX-D-|/2 [Electrical Idle]
0
—
100
mV
2
Absolute delta of DC
common mode between
D+ and D–
VTX-CM-DC-LINE-DELTA |VTX-CM-DC-D+ - VTX-CM-DC-D-| <= 25 mV
VTX-CM-DC-D+ = DC(avg) of |VTX-D+|
VTX-CM-DC-D- = DC(avg) of |VTX-D-|
0—
25
mV
2
Electrical idle differential
peak output voltage
VTX-IDLE-DIFFp
VTX-IDLE-DIFFp = |VTX-IDLE-D+ -VTX-IDLE-D-|
<= 20 mV
0—
20
mV
2
Amount of voltage change
allowed during receiver
detection
VTX-RCV-DETECT
The total amount of voltage change that a
transmitter can apply to sense whether a
low impedance Receiver is present.
—
600
mV
6
TX DC common mode
voltage
VTX-DC-CM
The allowed DC Common Mode voltage
under any conditions.
——
3.6
V
6
TX short circuit current
limit
ITX-SHORT
The total current the Transmitter can
provide when shorted to its ground
——
90
mA
—
Minimum time spent in
electrical idle
TTX-IDLE-MIN
Minimum time a Transmitter must be in
Electrical Idle Utilized by the Receiver to
start looking for an Electrical Idle Exit after
successfully receiving an Electrical Idle
ordered set
50
—
UI
—
Table 54. Differential Transmitter (TX) Output Specifications (continued)
Parameter
Symbol
Comments
Min
Typical
Max
Unit
Note
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