參數(shù)資料
型號(hào): MPC8560PXAPFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 833 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù): 34/108頁
文件大小: 2170K
代理商: MPC8560PXAPFB
MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1
Freescale Semiconductor
31
Ethernet: Three-Speed, MII Management
7.2.3.1 TBI Transmit AC Timing Specifications
Table 24 provides the MII transmit AC timing specifications.
Figure 12 shows the TBI transmit AC timing diagram.
Figure 12. TBI Transmit AC Timing Diagram
Table 24. TBI Transmit AC Timing Specifications
At recommended operating conditions with LVDD of 3.3 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
Max
Unit
GTX_CLK clock period
tTTX
8.0
ns
GTX_CLK duty cycle
tTTXH/tTTX
40
60
%
GMII data TXD[9:0] setup time GTX_CLK going high
tTTKHDV
2.0
ns
GMII data TXD[9:0] hold time from GTX_CLK going high
tTTKHDX
0.0
ns
GMII data clock rise (20%-80%)
tTTXR
2
1.0
ns
GMII data clock fall time (80%-20%)
tTTXF
2
1.0
ns
Notes:
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,
tTTKHDV symbolizes the TBI transmit timing (TT) with respect to the time from tTTX (K) going high (H) until the
referenced data signals (D) reach the valid state (V) or setup time. Also, tTTKHDX symbolizes the TBI transmit timing
(TT) with respect to the time from tTTX (K) going high (H) until the referenced data signals (D) reach the invalid state
(X) or hold time. 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 tTTX represents the TBI (T) transmit
(TX) clock. For rise and fall times, the latter convention is used with the appropriate letter: R (rise) or F (fall).
2.Guaranteed by design.
GTX_CLK
TXD[9:0]
tTTX
tTTXH
tTTXR
tTTXF
tTTKHDV
tTTKHDX
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