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MPC8379ECVRALDA 数据表(PDF) 61 Page - Freescale Semiconductor, Inc |
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MPC8379ECVRALDA 数据表(HTML) 61 Page - Freescale Semiconductor, Inc |
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61 / 114 page ![]() MPC8379E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 2 Freescale Semiconductor 61 Serial ATA (SATA) Table 54 provides the differential transmitter output AC characteristics for the SATA interface at Gen2i or 3.0 Gbits/s transmission. 15.3 Differential Receiver (Rx) Input Characteristics This section discusses the Gen1i/1.5G and Gen2i/3G differential receiver input AC characteristics. 15.3.1 Gen1i/1.5G Receiver Specifications Table 55 provides the Gen1i or 1.5 Gbits/s differential receiver input DC characteristics for the SATA interface. Table 54. Gen 2i/3G Transmitter AC Specifications Parameter Symbol Min Typical Max Units Notes Channel speed tCH_SPEED —3.0 — Gbps — Unit interval TUI 333.2 333.33 335.11 ps — Total jitter fC3dB=fBAUD/10 USATA_TXTJfB/10 —— 0.3 UIp-p 1 Total jitter fC3dB =fBAUD/500 USATA_TXTJfB/500 — — 0.37 UIp-p 1 Total jitter fC3dB =fBAUD/1667 USATA_TXTJfB/1667 — — 0.55 UIp-p 1 Deterministic jitter fC3dB =fBAUD/10 USATA_TXDJfB/10 — — 0.17 UIp-p 1 Deterministic jitter fC3dB =fBAUD/500 USATA_TXDJfB/500 — — 0.19 UIp-p 1 Deterministic jitter fC3dB =fBAUD/1667 USATA_TXDJfB/1667 — — 0.35 UIp-p 1 Note: 1 Measured at Tx output pins peak to peak phase variation, random data pattern. Table 55. Gen1i/1.5G Receiver Input DC Specifications Parameter Symbol Min Typical Max Units Notes Differential input voltage VSATA_RXDIFF 240 500 600 mVp-p 1 Differential Rx input impedance ZSATA_RXSEIM 85 100 115 Ω — Note: 1 Voltage relative to common of either signal comprising a differential pair. |
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