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KS8995MA Datasheet(PDF) 17 Page - Micrel Semiconductor |
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KS8995MA Datasheet(HTML) 17 Page - Micrel Semiconductor |
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17 / 89 page  Micrel, Inc. KS8995MA/FQ December 2012 17 M9999-121212-3.0 Pin Description − By Numbers (Continued) Pin Number Pin Name Type (1) Port Pin Function (2) 82 SMRXD1 Ipd/O Switch MII receive bit 1. Strap option: PD (default) = Switch MII in 100Mbps mode; PU = Switch MII in 10Mbps mode. 83 SMRXD0 Ipd/O Switch MII receive bit 0; Strap option: LED mode; PD (default) = mode 0; PU = mode 1. See “Register 11”. Mode 0, link at: 100/Full LEDx[2,1,0]=0,0,0 100/Half LEDx[2,1,0]=0,1,0 10/Full LEDx[2,1,0]=0,0,1 10/Half LEDx[2,1,0]=0,1,1 Mode 1, link at 100/Full LEDx[2,1,0]=0,1,0 100/Half LEDx[2,1,0]=0,1,1 10/Full LEDx[2,1,0]=1,0,0 10/Half LEDx[2,1,0]=1,0,1 Mode 0 Mode 1 LEDX_2 Lnk/Act 100Lnk/Act LEDX_1 Fulld/Col 10Lnk/Act LEDX_0 Speed Full duplex 84 SCOL Ipd/O Switch MII collision detect. 85 SCRS Ipd/O Switch mode carrier sense. 86 SCONF1 Ipd Dual MII configuration pin. For the Switch MII, KSZ8995MA supports both MAC mode and PHY mode, KSZ8995FQ supports PHY mode only. Pin# (91, 86, 87): Switch MII PHY [5] MII 000 Disable, Otri Disable, Otri 001 PHY Mode MII Disable, Otri 010 MAC Mode MII Disable, Otri 011 PHY Mode SNI Disable, Otri 100 Disable Disable 101 PHY Mode MII PHY Mode MII 110 MAC Mode MII PHY Mode MII 111 PHY Mode SNI PHY Mode MII 87 SCONF0 Ipd Dual MII configuration pin. 88 GNDD GND Digital ground. 89 VDDC P 1.8V digital core VDD. 90 LED5-2 Ipu/O 5 LED indicator 2. Strap option: aging setup. See “Aging” section. PU (default) = aging enable; PD = aging disable. 91 LED5-1 Ipu/O 5 LED indicator 1. Strap option: PU (default): enable PHY[5] MII I/F. PD: tristate all PHY[5] MII output. See “Pin 86 SCONF1.” Notes: 1. P = Power supply. I = Input. O = Output. I/O = Bidirectional. GND = Ground. Ipu = Input w/internal pull-up. Ipd = Input w/internal pull-down. Ipd/O = Input w/internal pull-down during reset, output pin otherwise. Ipu/O = Input w/internal pull-up during reset, output pin otherwise. NC = No connect. 2. PU = Strap pin pull-up. PD = Strap pull-down. Otri = Output tristated. Fulld = Full duplex |
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