component
HT1621BQ
Public Made by Adomby adom
HGSEMI LCD Drivers, LQFP-48(7x7). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+356−8@@ -1,13 +1,366 @@ {+ "schema_version": 1,+ "type": "component", "slug": "ht1621bq",+ "title": "HT1621BQ",+ "brief": "HGSEMI LCD Drivers, LQFP-48(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "HGSEMI LCD Drivers, LQFP-48(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "led-drv", "ht1621bq" ],+ "component": {+ "mpn": "HT1621BQ",+ "manufacturer": "HGSEMI",+ "package": "LQFP-48(7x7)",+ "pin_count": 48,+ "category": "LED-drv",+ "subcategory": "LCD Drivers",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b23936df03793bbc58e03a9c4cff9dae.pdf",+ "parts": {+ "symbol": "ht1621bq.kicad_sym",+ "footprint": "ht1621bq.kicad_mod",+ "model_3d": "ht1621bq.glb",+ "model_3d_step": "ht1621bq.step",+ "lbr": "ht1621bq.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "/CS",+ "type": "input",+ "description": "Chip-select input, active low, with internal pull-up. When /CS is high, data/command transfers are inhibited and the serial interface is reset. When /CS is low, the host can transfer data and commands."+ },+ {+ "number": "2",+ "name": "/RD",+ "type": "input",+ "description": "READ clock input with internal pull-up. RAM data is shifted out onto DATA on the falling edge of /RD; the host latches the data on the following rising edge."+ },+ {+ "number": "3",+ "name": "/WR",+ "type": "input",+ "description": "WRITE clock input with internal pull-up. Data on DATA is latched into the HT1621B on the rising edge of /WR."+ },+ {+ "number": "4",+ "name": "DATA",+ "type": "bidirectional",+ "description": "Serial data I/O for addresses, commands, and RAM data, with internal pull-up. Driven by the host during writes/commands and by the HT1621B during reads."+ },+ {+ "number": "5",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground reference (0 V)."+ },+ {+ "number": "6",+ "name": "OSCO",+ "type": "output",+ "description": "Crystal / external clock oscillator output. Connect a 32.768 kHz crystal between OSCI and OSCO, or leave OSCO floating when using the internal 256 kHz RC oscillator or an external clock on OSCI."+ },+ {+ "number": "7",+ "name": "OSCI",+ "type": "input",+ "description": "Crystal / external clock input. Connects to a 32.768 kHz crystal (with OSCO) or accepts an external 256 kHz clock; leave floating if the internal RC oscillator is used."+ },+ {+ "number": "8",+ "name": "VLCD",+ "type": "power_in",+ "description": "LCD bias-voltage input. Sets the LCD drive amplitude; VLCD must be less than or equal to VDD."+ },+ {+ "number": "9",+ "name": "VDD",+ "type": "power_in",+ "description": "Main supply, 2.4 V to 5.2 V."+ },+ {+ "number": "10",+ "name": "/IRQ",+ "type": "output",+ "description": "Time base / WDT overflow flag output, N-channel open-drain. Requires an external pull-up to VDD; goes low on overflow after IRQ_EN."+ },+ {+ "number": "11",+ "name": "/BZ",+ "type": "output",+ "description": "Complementary buzzer drive output. Provides an anti-phase 2 kHz or 4 kHz square wave (selected by TONE2k/TONE4k, enabled by TONE ON) for driving a piezo buzzer differentially with BZ."+ },+ {+ "number": "12",+ "name": "BZ",+ "type": "output",+ "description": "Buzzer drive output. Provides a 2 kHz or 4 kHz square wave (selected by TONE2k/TONE4k, enabled by TONE ON) for driving a piezo buzzer differentially with /BZ."+ },+ {+ "number": "13",+ "name": "COM0",+ "type": "output",+ "description": "LCD common (backplane) driver output 0."+ },+ {+ "number": "14",+ "name": "COM1",+ "type": "output",+ "description": "LCD common (backplane) driver output 1."+ },+ {+ "number": "15",+ "name": "COM2",+ "type": "output",+ "description": "LCD common (backplane) driver output 2."+ },+ {+ "number": "16",+ "name": "COM3",+ "type": "output",+ "description": "LCD common (backplane) driver output 3."+ },+ {+ "number": "17",+ "name": "SEG31",+ "type": "output",+ "description": "LCD segment driver output 31."+ },+ {+ "number": "18",+ "name": "SEG30",+ "type": "output",+ "description": "LCD segment driver output 30."+ },+ {+ "number": "19",+ "name": "SEG29",+ "type": "output",+ "description": "LCD segment driver output 29."+ },+ {+ "number": "20",+ "name": "SEG28",+ "type": "output",+ "description": "LCD segment driver output 28. Datasheet notes that on the 48-pin LQFP the SEG27/SEG28 pin ordering is non-standard; verify against silkscreen before layout."+ },+ {+ "number": "21",+ "name": "SEG27",+ "type": "output",+ "description": "LCD segment driver output 27. Datasheet notes that on the 48-pin LQFP the SEG27/SEG28 pin ordering is non-standard; verify against silkscreen before layout."+ },+ {+ "number": "22",+ "name": "SEG26",+ "type": "output",+ "description": "LCD segment driver output 26."+ },+ {+ "number": "23",+ "name": "SEG25",+ "type": "output",+ "description": "LCD segment driver output 25."+ },+ {+ "number": "24",+ "name": "SEG24",+ "type": "output",+ "description": "LCD segment driver output 24."+ },+ {+ "number": "25",+ "name": "SEG23",+ "type": "output",+ "description": "LCD segment driver output 23."+ },+ {+ "number": "26",+ "name": "SEG22",+ "type": "output",+ "description": "LCD segment driver output 22."+ },+ {+ "number": "27",+ "name": "SEG21",+ "type": "output",+ "description": "LCD segment driver output 21."+ },+ {+ "number": "28",+ "name": "SEG20",+ "type": "output",+ "description": "LCD segment driver output 20."+ },+ {+ "number": "29",+ "name": "SEG19",+ "type": "output",+ "description": "LCD segment driver output 19."+ },+ {+ "number": "30",+ "name": "SEG18",+ "type": "output",+ "description": "LCD segment driver output 18."+ },+ {+ "number": "31",+ "name": "SEG17",+ "type": "output",+ "description": "LCD segment driver output 17."+ },+ {+ "number": "32",+ "name": "SEG16",+ "type": "output",+ "description": "LCD segment driver output 16."+ },+ {+ "number": "33",+ "name": "SEG15",+ "type": "output",+ "description": "LCD segment driver output 15."+ },+ {+ "number": "34",+ "name": "SEG14",+ "type": "output",+ "description": "LCD segment driver output 14."+ },+ {+ "number": "35",+ "name": "SEG13",+ "type": "output",+ "description": "LCD segment driver output 13."+ },+ {+ "number": "36",+ "name": "SEG12",+ "type": "output",+ "description": "LCD segment driver output 12."+ },+ {+ "number": "37",+ "name": "SEG11",+ "type": "output",+ "description": "LCD segment driver output 11."+ },+ {+ "number": "38",+ "name": "SEG10",+ "type": "output",+ "description": "LCD segment driver output 10."+ },+ {+ "number": "39",+ "name": "SEG9",+ "type": "output",+ "description": "LCD segment driver output 9."+ },+ {+ "number": "40",+ "name": "SEG8",+ "type": "output",+ "description": "LCD segment driver output 8."+ },+ {+ "number": "41",+ "name": "SEG7",+ "type": "output",+ "description": "LCD segment driver output 7."+ },+ {+ "number": "42",+ "name": "SEG6",+ "type": "output",+ "description": "LCD segment driver output 6."+ },+ {+ "number": "43",+ "name": "SEG5",+ "type": "output",+ "description": "LCD segment driver output 5."+ },+ {+ "number": "44",+ "name": "SEG4",+ "type": "output",+ "description": "LCD segment driver output 4."+ },+ {+ "number": "45",+ "name": "SEG3",+ "type": "output",+ "description": "LCD segment driver output 3."+ },+ {+ "number": "46",+ "name": "SEG2",+ "type": "output",+ "description": "LCD segment driver output 2."+ },+ {+ "number": "47",+ "name": "SEG1",+ "type": "output",+ "description": "LCD segment driver output 1."+ },+ {+ "number": "48",+ "name": "SEG0",+ "type": "output",+ "description": "LCD segment driver output 0."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/b23936df03793bbc58e03a9c4cff9dae.pdf",+ "pages": 19,+ "sha256": "38800fa307b08f96",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 48,+ "described": 48,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "HGSEMI",+ "Package": "LQFP-48(7x7)",+ "Category": "LED-drv",+ "Pins": "48"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "ht1621bq"+ ],+ "discovery_pitch": "HT1621BQ (HGSEMI) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +378,5 @@ "docs/ht1621bq-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }