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KS8993ML Datasheet(PDF) 13 Page - Micrel Semiconductor |
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KS8993ML Datasheet(HTML) 13 Page - Micrel Semiconductor |
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13 / 85 page ![]() Micrel, Inc. KS8993M/ML/MI April 2005 13 M9999-041205 Pin Number Pin Name Type (1) Description 70 LEDSEL0 Ipd LED display mode select See description in pins 1 and 4. 71 SMTXEN Ipd Switch MII transmit enable 72 SMTXD3 Ipd Switch MII transmit data bit 3 73 SMTXD2 Ipd Switch MII transmit data bit 2 74 SMTXD1 Ipd Switch MII transmit data bit 1 75 SMTXD0 Ipd Switch MII transmit data bit 0 76 SMTXER Ipd Switch MII transmit error 77 SMTXC Ipd/O Switch MII transmit clock Output in PHY MII mode Input in MAC MII mode 78 DGND Gnd Digital ground 79 VDDIO P 3.3V digital VDD 80 SMRXC Ipd/O Switch MII receive clock. Output in PHY MII mode Input in MAC MII mode 81 SMRXDV O Switch MII receive data valid 82 SMRXD3 Ipd/O Switch MII receive data bit 3 Strap option: switch MII full-duplex flow control PD (default) = disable PU = enable 83 SMRXD2 Ipd/O Switch MII receive bit 2 Strap option: switch MII is in PD (default) = full-duplex mode PU = half-duplex mode 84 SMRXD1 Ipd/O Switch MII receive bit 1 Strap option: Switch MII is in PD (default) = 100Mbps mode PU = 10Mbps mode 85 SMRXD0 Ipd/O Switch MII receive bit 0 Strap option: switch will accept packet size up to PD (default) = 1536 bytes (inclusive) PU = 1522 bytes (tagged), 1518 bytes (untagged) 86 SCOL Ipd/O Switch MII collision detect 87 SCRS Ipd/O Switch MII carrier sense Note: 1. P = Power supply. Gnd = Ground. O = Output. Ipd = Input w/ internal pull-down. Ipd/O = Input w/ internal pull-down during reset, output pin otherwise. |
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