component
DM9000CIEP
Public Made by Adomby adom
DAVICOM Ethernet ICs, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "DM9000CIEP",
"brief": "DAVICOM Ethernet ICs, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"mpn": "DM9000CIEP",
"manufacturer": "DAVICOM",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Interface ICs",
"subcategory": "Ethernet ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0947f44d8b1e4293b6199d54453f03f8.pdf",
"parts": {
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"distributor_links": {
"lcsc": "C24159"
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"distributor_check": {
"checked_at": "2026-10-25T09:27:20Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
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"mouser": {
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"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "BGRES",
"type": "bidirectional",
"description": "Band gap pin; the datasheet states no further function or limit for it."
},
{
"number": "2",
"name": "RXVDD18",
"type": "power_out",
"description": "1.8V power output for the twisted-pair receive circuitry, supplied by the internal 3.3V-to-1.8V regulator."
},
{
"number": "3",
"name": "RX+",
"type": "bidirectional",
"description": "Twisted-pair receive pin, acting as the receive input in MDI mode or the transmit output in MDIX mode."
},
{
"number": "4",
"name": "RX-",
"type": "bidirectional",
"description": "Twisted-pair receive pin, acting as the receive input in MDI mode or the transmit output in MDIX mode."
},
{
"number": "5",
"name": "RXGND",
"type": "power_in",
"description": "Ground for the twisted-pair receive circuitry."
},
{
"number": "6",
"name": "TXGND",
"type": "power_in",
"description": "Ground for the twisted-pair transmit circuitry."
},
{
"number": "7",
"name": "TX+",
"type": "bidirectional",
"description": "Twisted-pair transmit pin, acting as the transmit output in MDI mode or the receive input in MDIX mode."
},
{
"number": "8",
"name": "TX-",
"type": "bidirectional",
"description": "Twisted-pair transmit pin, acting as the transmit output in MDI mode or the receive input in MDIX mode."
},
{
"number": "9",
"name": "TXVDD18",
"type": "power_out",
"description": "1.8V power output for the twisted-pair transmit circuitry, supplied by the internal regulator."
},
{
"number": "10",
"name": "SD7",
"type": "bidirectional",
"description": "Processor data bus bit 7 in 16-bit and 8-bit modes; internal pull-low of about 60K."
},
{
"number": "11",
"name": "SD6",
"type": "bidirectional",
"description": "Processor data bus bit 6; internal pull-low of about 60K."
},
{
"number": "12",
"name": "SD5",
"type": "bidirectional",
"description": "Processor data bus bit 5; internal pull-low of about 60K."
},
{
"number": "13",
"name": "SD4",
"type": "bidirectional",
"description": "Processor data bus bit 4; internal pull-low of about 60K."
},
{
"number": "14",
"name": "SD3",
"type": "bidirectional",
"description": "Processor data bus bit 3; internal pull-low of about 60K."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "16",
"name": "SD2",
"type": "bidirectional",
"description": "Processor data bus bit 2; internal pull-low of about 60K."
},
{
"number": "17",
"name": "SD1",
"type": "bidirectional",
"description": "Processor data bus bit 1; internal pull-low of about 60K."
},
{
"number": "18",
"name": "SD0",
"type": "bidirectional",
"description": "Processor data bus bit 0; internal pull-low of about 60K."
},
{
"number": "19",
"name": "EEDIO",
"type": "bidirectional",
"description": "Data input/output to and from the EEPROM."
},
{
"number": "20",
"name": "EECK",
"type": "output",
"description": "Clock output to the EEPROM; this pin is also the strap that sets INT polarity (pulled high gives INT active low)."
},
{
"number": "21",
"name": "EECS",
"type": "output",
"description": "Chip-select output to the EEPROM; this pin is also the strap that sets the memory data bus width (pulled high gives 8-bit, otherwise 16-bit)."
},
{
"number": "22",
"name": "SD15",
"type": "bidirectional",
"description": "Processor data bus bit 15 in 16-bit mode; in 8-bit mode this pin is WAKE (wake-up signal output and CS# polarity strap)."
},
{
"number": "23",
"name": "VDD",
"type": "power_in",
"description": "Digital 3.3V power input."
},
{
"number": "24",
"name": "SD14",
"type": "bidirectional",
"description": "Processor data bus bit 14 in 16-bit mode; in 8-bit mode this pin is LED3 (full-duplex LED output)."
},
{
"number": "25",
"name": "SD13",
"type": "bidirectional",
"description": "Processor data bus bit 13 in 16-bit mode; in 8-bit mode this pin is GP6 (general-purpose output and INT output-type strap)."
},
{
"number": "26",
"name": "SD12",
"type": "bidirectional",
"description": "Processor data bus bit 12 in 16-bit mode; in 8-bit mode this pin is GP5 (general-purpose output)."
},
{
"number": "27",
"name": "SD11",
"type": "bidirectional",
"description": "Processor data bus bit 11 in 16-bit mode; in 8-bit mode this pin is GP4 (general-purpose output)."
},
{
"number": "28",
"name": "SD10",
"type": "bidirectional",
"description": "Processor data bus bit 10 in 16-bit mode; in 8-bit mode this pin is GP3 (general-purpose I/O, input at default)."
},
{
"number": "29",
"name": "SD9",
"type": "bidirectional",
"description": "Processor data bus bit 9 in 16-bit mode; in 8-bit mode this pin is GP2 (general-purpose I/O, input at default)."
},
{
"number": "30",
"name": "VDD",
"type": "power_in",
"description": "Digital 3.3V power input."
},
{
"number": "31",
"name": "SD8",
"type": "bidirectional",
"description": "Processor data bus bit 8 in 16-bit mode; in 8-bit mode this pin is GP1 (general-purpose I/O, input at default)."
},
{
"number": "32",
"name": "CMD",
"type": "input",
"description": "Command type select: high selects the DATA port access, low selects the INDEX port access."
},
{
"number": "33",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "34",
"name": "INT",
"type": "output",
"description": "Interrupt request output, high active by default and low active when set by the EEPROM or the EECK strap."
},
{
"number": "35",
"name": "IOR#",
"type": "input",
"description": "Processor read command, low active by default with polarity modifiable through EEPROM setting."
},
{
"number": "36",
"name": "IOW#",
"type": "input",
"description": "Processor write command, low active by default with polarity modifiable through EEPROM setting."
},
{
"number": "37",
"name": "CS#",
"type": "input",
"description": "Chip select, low active by default to select the DM9000C/CI, with polarity modifiable through EEPROM setting."
},
{
"number": "38",
"name": "LED2",
"type": "bidirectional",
"description": "Link/Active LED; in LED mode 1 it combines link and carrier sense, in LED mode 0 it shows carrier sense only, and it is disabled when this pin is used for WOL."
},
{
"number": "39",
"name": "LED1",
"type": "bidirectional",
"description": "Speed LED; low output indicates 100M/S operation, and the pin floats for 10M operation."
},
{
"number": "40",
"name": "PWRST#",
"type": "input",
"description": "Active-low power-on reset; the device is ready 5us after this pin is deasserted."
},
{
"number": "41",
"name": "TEST",
"type": "input",
"description": "Operation mode pin that must be forced to ground in normal application."
},
{
"number": "42",
"name": "VDD",
"type": "power_in",
"description": "Digital 3.3V power input."
},
{
"number": "43",
"name": "X2",
"type": "output",
"description": "25MHz crystal output."
},
{
"number": "44",
"name": "X1",
"type": "input",
"description": "25MHz crystal input."
},
{
"number": "45",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "46",
"name": "SD",
"type": "input",
"description": "Fiber-optic signal detect, PECL level, indicating whether the fiber receive pair is receiving valid levels."
},
{
"number": "47",
"name": "RXGND",
"type": "power_in",
"description": "Ground for the twisted-pair receive circuitry."
},
{
"number": "48",
"name": "BGGND",
"type": "power_in",
"description": "Band gap ground."
}
],
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet gives two pin configurations for the same 48-pin package. This pinout is the 16-bit mo; The pin-configuration diagram text in the extract is scrambled, so pin positions were taken from the; The datasheet names pin 1 only as 'Band gap Pin' and gives no further function or limit, so its desc"
],
"pages_sent": 18,
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"at": "2026-10-25T09:27:05"
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"pages": 63,
"sha256": "fc082ed410a7a3ec",
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"metadata": {
"specs": {
"Manufacturer": "DAVICOM",
"Package": "LQFP-48(7x7)",
"Category": "Interface ICs",
"Pins": "48"
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"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
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"name": "Supply Voltage (absolute maximum)",
"symbol": "DVDD",
"kind": "absolute_maximum",
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"min": -0.3,
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{
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{
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"unit": "°C",
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"conditions": "For DM9000CIEP",
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{
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"kind": "absolute_maximum",
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"min": null,
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"conditions": "TL, soldering, 10 sec.",
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{
"name": "100TX+/- Differential Rise/Fall Time",
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"kind": "timing",
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{
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{
"name": "100TX+/- Differential Output Duty Cycle Distortion",
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{
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"symbol": "Tt/T",
"kind": "timing",
"unit": "ns",
"min": 0,
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{
"name": "100TX+/- Differential Voltage Overshoot",
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{
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]
}
},
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"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
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],
"discovery_pitch": "DM9000CIEP (DAVICOM) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
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"dm9000ciep.kicad_sym",
"dm9000ciep.kicad_mod",
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"dm9000ciep.lbr",
"docs/hero.png",
"docs/dm9000ciep-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"dm9000ciep-hero.glb",
"dm9000ciep-hero.overlay.json",
"dm9000ciep-etched.glb"
],
"visibility": {
"public": true
}
}