参数资料
型号: MPC8560PXALDB
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, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件页数: 35/108页
文件大小: 2170K
代理商: MPC8560PXALDB
MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1
32
Freescale Semiconductor
Ethernet: Three-Speed, MII Management
7.2.3.2 TBI Receive AC Timing Specifications
Table 25 provides the TBI receive AC timing specifications.
Figure 13 shows the TBI receive AC timing diagram.
Figure 13. TBI Receive AC Timing Diagram
Table 25. TBI Receive AC Timing Specifications
At recommended operating conditions with LVDD of 3.3 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
Max
Unit
PMA_RX_CLK clock period
tTRX
16.0
ns
PMA_RX_CLK skew
tSKTRX
7.5
8.5
ns
RX_CLK duty cycle
tTRXH/tTRX
40
60
%
RXD[9:0] setup time to rising PMA_RX_CLK
tTRDVKH
2.5
ns
RXD[9:0] hold time to rising PMA_RX_CLK
tTRDXKH
1.5
ns
RX_CLK clock rise time (20%-80%)
tTRXR
2
0.7
2.4
ns
RX_CLK clock fall time (80%-20%)
tTRXF
2
0.7
2.4
ns
Note:
1.The symbols used for timing specifications herein follow the pattern of t(first two letters of functional block)(signal)(state)
(reference)(state) for inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example,
tTRDVKH symbolizes TBI receive timing (TR) with respect to the time data input signals (D) reach the valid state (V)
relative to the tTRX clock reference (K) going to the high (H) state or setup time. Also, tTRDXKH symbolizes TBI
receive timing (TR) with respect to the time data input signals (D) went invalid (X) relative to the tTRX clock reference
(K) going to the high (H) state. Note that, in general, the clock reference symbol representation is based on three
letters representing the clock of a particular functional. For example, the subscript of tTRX represents the TBI (T)
receive (RX) clock. For rise and fall times, the latter convention is used with the appropriate letter: R (rise) or F (fall).
For symbols representing skews, the subscript is skew (SK) followed by the clock that is being skewed (TRX).
2.Guaranteed by design.
PMA_RX_CLK1
RXD[9:0]
tTRX
tTRXH
tTRXR
tTRXF
tTRDVKH
PMA_RX_CLK0
tTRDXKH
tTRDVKH
tTRDXKH
tSKTRX
tTRXH
Valid Data
相关PDF资料
PDF描述
MPC8560CPXALFB 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
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