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MPC8560CPXAPDB 数据表(PDF) 61 Page - Freescale Semiconductor, Inc |
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MPC8560CPXAPDB 数据表(HTML) 61 Page - Freescale Semiconductor, Inc |
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61 / 108 page ![]() MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1 Freescale Semiconductor 61 RapidIO 13 RapidIO This section describes the DC and AC electrical specifications for the RapidIO interface of the MPC8560. 13.1 RapidIO DC Electrical Characteristics RapidIO driver and receiver DC electrical characteristics are provided in Table 45 and Table 46, respectively. Table 45. RapidIO 8/16 LP-LVDS Driver DC Electrical Characteristics At recommended operating conditions with OVDD of 3.3 V ± 5%. Characteristic Symbol Min Max Unit Notes Differential output high voltage VOHD 247 454 mV 1, 2 Differential output low voltage VOLD –454 –247 mV 1, 2 Differential offset voltage ∆VOSD — 50 mV 1,3 Output high common mode voltage VOHCM 1.125 1.375 V 1, 4 Output low common mode voltage VOLCM 1.125 1.375 V 1, 5 Common mode offset voltage ∆VOSCM — 50 mV 1, 6 Differential termination RTERM 90 220 W Short circuit current (either output) |ISS| — 24 mA 7 Bridged short circuit current |ISB| — 12 mA 8 Notes: 1.Bridged 100- Ω load. 2.See Figure 41(a). 3.Differential offset voltage = |VOHD+VOLD|. See Figure 41(b). 4.VOHCM = (VOA + VOB)/2 when measuring VOHD. 5.VOLCM = (VOA + VOB)/2 when measuring VOLD. 6.Common mode offset ∆VOSCM = |VOHCM – VOLCM|. See Figure 41(c). 7.Outputs shorted to VDD or GND. 8.Outputs shorted together. Table 46. RapidIO 8/16 LP-LVDS Receiver DC Electrical Characteristics Characteristic Symbol Min Max Unit Notes Voltage at either input VI 0 2.4 V Differential input high voltage VIHD 100 600 mV 1 Differential input low voltage VILD –600 –100 mV 1 Common mode input range (referenced to receiver ground) VICM 0.050 2.350 V 2 Input differential resistance RIN 90 110 W Notes: 1.Over the common mode range. 2.Limited by VI. See Figure 48. |
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