参数资料
型号: MPC8533VTALFB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封装: 29 X 29 MM, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-783
文件页数: 90/116页
文件大小: 1277K
代理商: MPC8533VTALFB
MPC8533E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
75
PCI Express
TRX-EYE-MEDIAN-to-MAX
-JITTER
Maximum time
between the jitter
median and
maximum deviation
from the median
0.3
UI
Jitter is defined as the measurement
variation of the crossing points (VRX-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. See Notes 2,
3, and 7.
VRX-CM-ACp
AC peak common
mode input voltage
——
150
mV
VRX-CM-ACp = |VRXD+ – VRXD–|/2 –
VRX-CM-DC
VRX-CM-DC = DC(avg) of |VRX-D+ – VRX-D–|/2
See Note 2.
RLRX-DIFF
Differential return
loss
15
dB
Measured over 50 MHz to 1.25 GHz with the
D+ and D– lines biased at +300 and
–300 mV, respectively. See Note 4.
RLRX-CM
Common mode
return loss
6
dB
Measured over 50 MHz to 1.25 GHz with the
D+ and D– lines biased at 0 V. See Note 4.
ZRX-DIFF-DC
DC differential input
impedance
80
100
120
Ω
RX DC differential mode impedance. See
Note 5.
ZRX-DC
DC input impedance
40
50
60
Ω
Required RX D+ as well as D– DC
impedance (50 ± 20% tolerance).
See Notes 2 and 5.
ZRX-HIGH-IMP-DC
Powered down DC
input impedance
200 k
Ω
Required RX D+ as well as D– DC
impedance when the receiver terminations
do not have power. See Note 6.
VRX-IDLE-DET-DIFFp-p
Electrical idle detect
threshold
65
175
mV
VRX-IDLE-DET-DIFFp-p = 2*|VRX-D+ – VRX-D–|
Measured at the package pins of the
receiver.
TRX-IDLE-DET-DIFF-
ENTERTIME
Unexpected
electrical idle enter
detect threshold
integration time
10
ms
An unexpected electrical idle (VRX-DIFFp-p
< VRX-IDLE-DET-DIFFp-p) must be recognized
no longer than TRX-IDLE-DET-DIFF-ENTERING to
signal an unexpected idle condition.
Table 55. Differential Receiver (RX) Input Specifications (continued)
Symbol
Parameter
Min
Nom
Max
Units
Comments
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