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MPC8358ECVVADDGA 数据表(PDF) 34 Page - Freescale Semiconductor, Inc |
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MPC8358ECVVADDGA 数据表(HTML) 34 Page - Freescale Semiconductor, Inc |
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34 / 102 page  MPC8360E/MPC8358E PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications, Rev. 5 34 Freescale Semiconductor GMII, MII, RMII, TBI, RGMII, and RTBI AC Timing Specifications 8.2.4.2 TBI Receive AC Timing Specifications This table provides the TBI receive AC timing specifications. This figure shows the TBI receive AC timing diagram. Figure 19. TBI Receive AC Timing Diagram Table 34. TBI Receive AC Timing Specifications At recommended operating conditions with LVDD/OVDD of 3.3 V ± 10%. Parameter/Condition Symbol1 Min Typ Max Unit Notes 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 % — RCG[9:0] setup time to rising PMA_RX_CLK tTRDVKH 2.5 — — ns 2 RCG[9:0] hold time to rising PMA_RX_CLK tTRDXKH 1.0 — — ns 2 RX_CLK clock rise time, VIL(min) to VIH(max) tTRXR 0.7 — 2.4 ns — RX_CLK clock fall time, VIH(max) to VIL(min) tTRXF 0.7 — 2.4 ns — Notes: 1. The symbols used for timing specifications 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. Setup and hold time of even numbered RCG are measured from riding edge of PMA_RX_CLK1. Setup and hold time of odd numbered RCG are measured from riding edge of PMA_RX_CLK0. PMA_RX_CLK1 RCG[9:0] tTRX tTRXH tTRXR tTRXF tTRDVKH PMA_RX_CLK0 tTRDXKH tTRDVKH tTRDXKH tSKTRX tTRXH Even RCG Odd RCG |
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