參數(shù)資料
型號： MPC8540VT833LC
廠商： Freescale Semiconductor
文件頁數(shù)： 57/104頁
文件大?。?/td> 0K
描述： MPU POWERQUICC III 783FCPBGA
標準包裝： 36
系列： MPC85xx
處理器類型： 32-位 MPC85xx PowerQUICC III
速度： 833MHz
電壓： 1.2V
安裝類型： 表面貼裝
封裝/外殼： 784-BBGA，F(xiàn)CBGA
供應商設備封裝： 783-FCPBGA（29x29）
包裝： 托盤
MPC8540 Integrated Processor Hardware Specifications, Rev. 4.1
56
Freescale Semiconductor
RapidIO
Figure 35 shows the DC driver signal levels.
Figure 35. DC Driver Signal Levels
13.2 RapidIO AC Electrical Specifications
This section contains the AC electrical specifications for a RapidIO 8/16 LP-LVDS device. The interface
defined is a parallel differential low-power high-speed signal interface. Note that the source of the transmit
clock on the RapidIO interface is dependent on the settings of the LGPL[0:1] signals at reset. Note that the
default setting makes the core complex bus (CCB) clock the source of the transmit clock. See Chapter 4
of the Reference Manual for more details on reset configuration settings.
13.3 RapidIO Concepts and Definitions
This section specifies signals using differential voltages. Figure 36 shows how the signals are defined. The
figure shows waveforms for either a transmitter output (TD and TD) or a receiver input (RD and RD). Each
signal swings between A volts and B volts where A > B. Using these waveforms, the definitions are as
follows:
The transmitter output and receiver input signals TD, TD, RD, and RD each have a peak-to-peak
swing of A-B volts.
The differential output signal of the transmitter, VOD, is defined as VTD – VTD.
The differential input signal of the receiver, VID, is defined as VRD – VRD.
The differential output signal of the transmitter or input signal of the receiver, ranges from
A – B volts to – (A – B) volts.
VOA
VOB
RTERM
100
Ω
(no m)
VVOD = VOA – VOB
ΔV
OS
VOHCM
VOLCM
VOSCM = (VOA + VOB)/2
–V +
ΔV
OD
V
VOD = VOA – VOB
–V –
ΔV
OD
–V
0
1.375 V
1.125 V
454 mV
247 mV
–247 mV
–454 mV
VOLD
Common-Mode Specifications
(c)
Differential Specifications
(b)
(a)
Note: VOA refers to voltage at output A; VOB refers to voltage at output B.
VOHD
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