参数资料
型号: MPC8560PX833FB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 883 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: 30/108页
文件大小: 1379K
代理商: MPC8560PX833FB
MPC8560 Integrated Processor Hardware Specifications, Rev. 4
28
Freescale Semiconductor
Ethernet: Three-Speed, MII Management
7.2.3 TBI AC Timing Specifications
This section describes the TBI transmit and receive AC timing specifications.
7.2.3.1
TBI Transmit AC Timing Specifications
Table 25 provides the TBI transmit AC timing specifications.
Figure 11 shows the TBI transmit AC timing diagram.
Figure 11. TBI Transmit AC Timing Diagram
Table 25. TBI Transmit AC Timing Specifications
At recommended operating conditions with LVDD of 3.3 V ± 5%, or LVDD=2.5V ± 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
%
TCG[9:0] setup time GTX_CLK going high
tTTKHDV
2.0
ns
TCG[9:0] hold time from GTX_CLK going high
tTTKHDX
1.0
ns
GTX_CLK clock rise and fall time
tTTXR, tTTXF
2,3
——
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.Signal timings are measured at 0.7 V and 1.9 V voltage levels.
3.Guaranteed by design.
GTX_CLK
TCG[9:0]
tTTX
tTTXH
tTTXR
tTTXF
tTTKHDV
tTTKHDX
相关PDF资料
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MPC8560VTAQJC 32-BIT, 1000 MHz, RISC PROCESSOR, PBGA783
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