TMS320LF2406APZA

{
  "schema_version": 1,
  "type": "component",
  "slug": "tms320lf2406apza",
  "title": "TMS320LF2406APZA",
  "brief": "Texas Instruments Digital Signal Processors (DSP/DSC), LQFP-100(14x14). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "tms320lf2406apza"
  ],
  "component": {
    "mpn": "TMS320LF2406APZA",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Digital Signal Processors (DSP/DSC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tms320lf2406a",
    "parts": {
      "symbol": "tms320lf2406apza.kicad_sym",
      "footprint": "tms320lf2406apza.kicad_mod",
      "model_3d": "tms320lf2406apza-etched.glb",
      "model_3d_plain": "tms320lf2406apza.glb",
      "model_3d_step": "tms320lf2406apza-etched.step",
      "model_3d_step_plain": "tms320lf2406apza.step",
      "lbr": "tms320lf2406apza.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset. Active-high test-mode enable with an internal pulldown; must be held low during normal operation. A 2.2 kΩ external pulldown is recommended in noisy environments."
      },
      {
        "number": "2",
        "name": "TDIRB/IOPF4",
        "type": "bidirectional",
        "description": "EVB general-purpose timer counting direction input. High = up-count, low = down-count. Reconfigurable as GPIO IOPF4; internal pullup."
      },
      {
        "number": "3",
        "name": "VSS",
        "type": "power_in",
        "description": "Core digital ground reference (0 V)."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Core digital supply (+3.3 V nominal)."
      },
      {
        "number": "5",
        "name": "T4PWM/T4CMP/IOPF3",
        "type": "bidirectional",
        "description": "EVB Timer-4 PWM/compare output, or GPIO IOPF3. Internal pullup."
      },
      {
        "number": "6",
        "name": "PDPINTA",
        "type": "input",
        "description": "Power drive protection interrupt A (falling-edge sensitive). When asserted, EVA PWM outputs are tri-stated to protect the motor drive from over-current/over-voltage. Internal pullup."
      },
      {
        "number": "7",
        "name": "T3PWM/T3CMP/IOPF2",
        "type": "bidirectional",
        "description": "EVB Timer-3 PWM/compare output, or GPIO IOPF2. Internal pullup."
      },
      {
        "number": "8",
        "name": "PLLF2",
        "type": "passive",
        "description": "PLL loop-filter input 2. Connect the external loop-filter network here."
      },
      {
        "number": "9",
        "name": "PLLF",
        "type": "passive",
        "description": "PLL loop-filter input 1. Connect the external loop-filter network here."
      },
      {
        "number": "10",
        "name": "PLLVCCA",
        "type": "power_in",
        "description": "PLL analog supply (+3.3 V). Should be filtered from the digital 3.3 V rail."
      },
      {
        "number": "11",
        "name": "TDIRA/IOPB6",
        "type": "bidirectional",
        "description": "EVA general-purpose timer counting-direction input, or GPIO IOPB6. Internal pullup."
      },
      {
        "number": "12",
        "name": "T1PWM/T1CMP/IOPB4",
        "type": "bidirectional",
        "description": "EVA Timer-1 PWM/compare output, or GPIO IOPB4. Internal pullup."
      },
      {
        "number": "13",
        "name": "T2PWM/T2CMP/IOPB5",
        "type": "bidirectional",
        "description": "EVA Timer-2 PWM/compare output, or GPIO IOPB5. Internal pullup."
      },
      {
        "number": "14",
        "name": "IOPC0",
        "type": "bidirectional",
        "description": "General-purpose I/O (port C, bit 0). Primary function on LF2407A is W/R; on LF2406A this pin is GPIO only. Internal pullup."
      },
      {
        "number": "15",
        "name": "XINT2/ADCSOC/IOPD0",
        "type": "bidirectional",
        "description": "External interrupt 2 and external ADC start-of-conversion input, or GPIO IOPD0. Edge-sensitive with programmable polarity. Internal pullup."
      },
      {
        "number": "16",
        "name": "XINT1/IOPA2",
        "type": "bidirectional",
        "description": "External interrupt 1 (edge-sensitive, programmable polarity), or GPIO IOPA2. Internal pullup."
      },
      {
        "number": "17",
        "name": "SCITXD/IOPA0",
        "type": "bidirectional",
        "description": "SCI asynchronous serial transmit data, or GPIO IOPA0. Internal pullup."
      },
      {
        "number": "18",
        "name": "SCIRXD/IOPA1",
        "type": "bidirectional",
        "description": "SCI asynchronous serial receive data, or GPIO IOPA1. Internal pullup."
      },
      {
        "number": "19",
        "name": "VSS",
        "type": "power_in",
        "description": "Core digital ground."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Core digital supply (+3.3 V)."
      },
      {
        "number": "21",
        "name": "SPISIMO/IOPC2",
        "type": "bidirectional",
        "description": "SPI slave-in / master-out data, or GPIO IOPC2. Internal pullup."
      },
      {
        "number": "22",
        "name": "SPISOMI/IOPC3",
        "type": "bidirectional",
        "description": "SPI slave-out / master-in data, or GPIO IOPC3. Internal pullup."
      },
      {
        "number": "23",
        "name": "SPISTE/IOPC5",
        "type": "bidirectional",
        "description": "SPI slave transmit-enable (optional), or GPIO IOPC5. Internal pullup."
      },
      {
        "number": "24",
        "name": "SPICLK/IOPC4",
        "type": "bidirectional",
        "description": "SPI clock, or GPIO IOPC4. Internal pullup."
      },
      {
        "number": "25",
        "name": "TMS2",
        "type": "input",
        "description": "JTAG test-mode select #2 for scan-based emulation. Latched on the rising edge of TCK. Held with TMS and TRST during reset to enter PLL bypass. Internal pullup; can be left NC in user apps."
      },
      {
        "number": "26",
        "name": "TCLKINA/IOPB7",
        "type": "bidirectional",
        "description": "External clock input for the EVA GP timer, or GPIO IOPB7. Internal pullup."
      },
      {
        "number": "27",
        "name": "PWM12/IOPE6",
        "type": "bidirectional",
        "description": "EVB compare/PWM output #12, or GPIO IOPE6. Internal pullup."
      },
      {
        "number": "28",
        "name": "PWM6/IOPB3",
        "type": "bidirectional",
        "description": "EVA compare/PWM output #6, or GPIO IOPB3. Internal pullup."
      },
      {
        "number": "29",
        "name": "VSSO",
        "type": "power_in",
        "description": "I/O-buffer ground reference."
      },
      {
        "number": "30",
        "name": "VDDO",
        "type": "power_in",
        "description": "I/O-buffer supply (+3.3 V)."
      },
      {
        "number": "31",
        "name": "PWM5/IOPB2",
        "type": "bidirectional",
        "description": "EVA compare/PWM output #5, or GPIO IOPB2. Internal pullup."
      },
      {
        "number": "32",
        "name": "PWM11/IOPE5",
        "type": "bidirectional",
        "description": "EVB compare/PWM output #11, or GPIO IOPE5. Internal pullup."
      },
      {
        "number": "33",
        "name": "PWM4/IOPB1",
        "type": "bidirectional",
        "description": "EVA compare/PWM output #4, or GPIO IOPB1. Internal pullup."
      },
      {
        "number": "34",
        "name": "VSS",
        "type": "power_in",
        "description": "Core digital ground."
      },
      {
        "number": "35",
        "name": "VDD",
        "type": "power_in",
        "description": "Core digital supply (+3.3 V)."
      },
      {
        "number": "36",
        "name": "PWM3/IOPB0",
        "type": "bidirectional",
        "description": "EVA compare/PWM output #3, or GPIO IOPB0. Internal pullup."
      },
      {
        "number": "37",
        "name": "PWM2/IOPA7",
        "type": "bidirectional",
        "description": "EVA compare/PWM output #2, or GPIO IOPA7. Internal pullup."
      },
      {
        "number": "38",
        "name": "PWM10/IOPE4",
        "type": "bidirectional",
        "description": "EVB compare/PWM output #10, or GPIO IOPE4. Internal pullup."
      },
      {
        "number": "39",
        "name": "PWM1/IOPA6",
        "type": "bidirectional",
        "description": "EVA compare/PWM output #1, or GPIO IOPA6. Internal pullup."
      },
      {
        "number": "40",
        "name": "VCCP",
        "type": "power_in",
        "description": "Flash programming voltage (+5 V). Required at 5 V during Flash programming. May be tied to +5 V or GND (not floating) during normal operation. No current-limit resistor. On ROM (LC) devices this pin is a no-connect."
      },
      {
        "number": "41",
        "name": "PWM9/IOPE3",
        "type": "bidirectional",
        "description": "EVB compare/PWM output #9, or GPIO IOPE3. Internal pullup."
      },
      {
        "number": "42",
        "name": "TP1",
        "type": "unconnected",
        "description": "Factory test pin 1. Leave unconnected."
      },
      {
        "number": "43",
        "name": "PWM8/IOPE2",
        "type": "bidirectional",
        "description": "EVB compare/PWM output #8, or GPIO IOPE2. Internal pullup."
      },
      {
        "number": "44",
        "name": "TP2",
        "type": "unconnected",
        "description": "Factory test pin 2. Leave unconnected."
      },
      {
        "number": "45",
        "name": "PWM7/IOPE1",
        "type": "bidirectional",
        "description": "EVB compare/PWM output #7, or GPIO IOPE1. Internal pullup."
      },
      {
        "number": "46",
        "name": "VSSO",
        "type": "power_in",
        "description": "I/O-buffer ground."
      },
      {
        "number": "47",
        "name": "VDDO",
        "type": "power_in",
        "description": "I/O-buffer supply (+3.3 V)."
      },
      {
        "number": "48",
        "name": "CAP6/IOPF1",
        "type": "bidirectional",
        "description": "EVB capture input #6, or GPIO IOPF1. Internal pullup."
      },
      {
        "number": "49",
        "name": "CANRX/IOPC7",
        "type": "bidirectional",
        "description": "CAN 2.0B receive data, or GPIO IOPC7. Internal pullup."
      },
      {
        "number": "50",
        "name": "CANTX/IOPC6",
        "type": "bidirectional",
        "description": "CAN 2.0B transmit data, or GPIO IOPC6. Internal pullup."
      },
      {
        "number": "51",
        "name": "CLKOUT/IOPE0",
        "type": "bidirectional",
        "description": "CPU clock (CLKOUT) or watchdog clock (WDCLK) output, selected by SCSR bit 14. Reconfigurable as GPIO IOPE0. Internal pullup."
      },
      {
        "number": "52",
        "name": "CAP3/IOPA5",
        "type": "bidirectional",
        "description": "EVA capture input #3, or GPIO IOPA5. Internal pullup."
      },
      {
        "number": "53",
        "name": "VSSO",
        "type": "power_in",
        "description": "I/O-buffer ground."
      },
      {
        "number": "54",
        "name": "VDDO",
        "type": "power_in",
        "description": "I/O-buffer supply (+3.3 V)."
      },
      {
        "number": "55",
        "name": "CAP2/QEP2/IOPA4",
        "type": "bidirectional",
        "description": "EVA capture input #2 / quadrature-encoder pulse input #2, or GPIO IOPA4. Internal pullup."
      },
      {
        "number": "56",
        "name": "CAP5/QEP4/IOPF0",
        "type": "bidirectional",
        "description": "EVB capture input #5 / quadrature-encoder pulse input #4, or GPIO IOPF0. Internal pullup."
      },
      {
        "number": "57",
        "name": "CAP1/QEP1/IOPA3",
        "type": "bidirectional",
        "description": "EVA capture input #1 / quadrature-encoder pulse input #1, or GPIO IOPA3. Internal pullup."
      },
      {
        "number": "58",
        "name": "VSS",
        "type": "power_in",
        "description": "Core digital ground."
      },
      {
        "number": "59",
        "name": "VDD",
        "type": "power_in",
        "description": "Core digital supply (+3.3 V)."
      },
      {
        "number": "60",
        "name": "CAP4/QEP3/IOPE7",
        "type": "bidirectional",
        "description": "EVB capture input #4 / quadrature-encoder pulse input #3, or GPIO IOPE7. Internal pullup."
      },
      {
        "number": "61",
        "name": "EMU0",
        "type": "bidirectional",
        "description": "Emulator I/O #0. Interrupt to/from the emulator when TRST is high. Internal pullup."
      },
      {
        "number": "62",
        "name": "EMU1/OFF",
        "type": "bidirectional",
        "description": "Emulator I/O #1 / OFF. When TRST is low, this pin drives OFF; asserting OFF (0) puts all output drivers in high-Z. Internal pullup."
      },
      {
        "number": "63",
        "name": "VSSO",
        "type": "power_in",
        "description": "I/O-buffer ground."
      },
      {
        "number": "64",
        "name": "VDDO",
        "type": "power_in",
        "description": "I/O-buffer supply (+3.3 V)."
      },
      {
        "number": "65",
        "name": "ADCIN15",
        "type": "input",
        "description": "Analog input channel 15 to the 10-bit ADC."
      },
      {
        "number": "66",
        "name": "ADCIN07",
        "type": "input",
        "description": "Analog input channel 7 to the 10-bit ADC."
      },
      {
        "number": "67",
        "name": "ADCIN06",
        "type": "input",
        "description": "Analog input channel 6 to the 10-bit ADC."
      },
      {
        "number": "68",
        "name": "ADCIN14",
        "type": "input",
        "description": "Analog input channel 14 to the 10-bit ADC."
      },
      {
        "number": "69",
        "name": "ADCIN05",
        "type": "input",
        "description": "Analog input channel 5 to the 10-bit ADC."
      },
      {
        "number": "70",
        "name": "ADCIN04",
        "type": "input",
        "description": "Analog input channel 4 to the 10-bit ADC."
      },
      {
        "number": "71",
        "name": "ADCIN13",
        "type": "input",
        "description": "Analog input channel 13 to the 10-bit ADC."
      },
      {
        "number": "72",
        "name": "ADCIN03",
        "type": "input",
        "description": "Analog input channel 3 to the 10-bit ADC."
      },
      {
        "number": "73",
        "name": "ADCIN12",
        "type": "input",
        "description": "Analog input channel 12 to the 10-bit ADC."
      },
      {
        "number": "74",
        "name": "ADCIN02",
        "type": "input",
        "description": "Analog input channel 2 to the 10-bit ADC."
      },
      {
        "number": "75",
        "name": "ADCIN11",
        "type": "input",
        "description": "Analog input channel 11 to the 10-bit ADC."
      },
      {
        "number": "76",
        "name": "ADCIN10",
        "type": "input",
        "description": "Analog input channel 10 to the 10-bit ADC."
      },
      {
        "number": "77",
        "name": "ADCIN01",
        "type": "input",
        "description": "Analog input channel 1 to the 10-bit ADC."
      },
      {
        "number": "78",
        "name": "ADCIN09",
        "type": "input",
        "description": "Analog input channel 9 to the 10-bit ADC."
      },
      {
        "number": "79",
        "name": "ADCIN00",
        "type": "input",
        "description": "Analog input channel 0 to the 10-bit ADC."
      },
      {
        "number": "80",
        "name": "ADCIN08",
        "type": "input",
        "description": "Analog input channel 8 to the 10-bit ADC."
      },
      {
        "number": "81",
        "name": "VREFLO",
        "type": "passive",
        "description": "ADC analog low-voltage reference input."
      },
      {
        "number": "82",
        "name": "VREFHI",
        "type": "passive",
        "description": "ADC analog high-voltage reference input."
      },
      {
        "number": "83",
        "name": "VCCA",
        "type": "power_in",
        "description": "Analog supply for the ADC (+3.3 V). Should be isolated/filtered from the digital 3.3 V rail for best ADC accuracy."
      },
      {
        "number": "84",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for the ADC."
      },
      {
        "number": "85",
        "name": "BIO/IOPC1",
        "type": "bidirectional",
        "description": "Branch-control input polled by BCND … BIO instruction; low = branch taken. Reconfigurable as GPIO IOPC1. Pull high if unused. Internal pullup."
      },
      {
        "number": "86",
        "name": "BOOT_EN/XF",
        "type": "bidirectional",
        "description": "Sampled at reset as BOOT_EN (loads SCSR2.3); after reset drives XF (defaults high). Must be driven with a passive circuit only. Internal pullup. On ROM (LC) devices this pin behaves as XF only."
      },
      {
        "number": "87",
        "name": "XTAL1/CLKIN",
        "type": "input",
        "description": "PLL/crystal oscillator input. Connect one side of the reference crystal or an external clock source here."
      },
      {
        "number": "88",
        "name": "XTAL2",
        "type": "output",
        "description": "Crystal oscillator output; connects to the other side of the reference crystal. Goes high-Z when EMU1/OFF is asserted low."
      },
      {
        "number": "89",
        "name": "TCLKINB/IOPF5",
        "type": "bidirectional",
        "description": "External clock input for the EVB GP timer, or GPIO IOPF5. Internal pullup."
      },
      {
        "number": "90",
        "name": "VSS",
        "type": "power_in",
        "description": "Core digital ground."
      },
      {
        "number": "91",
        "name": "VDD",
        "type": "power_in",
        "description": "Core digital supply (+3.3 V)."
      },
      {
        "number": "92",
        "name": "IOPF6",
        "type": "bidirectional",
        "description": "General-purpose I/O (port F, bit 6). Internal pullup."
      },
      {
        "number": "93",
        "name": "RS",
        "type": "bidirectional",
        "description": "Device reset (in) and watchdog reset (out). Open-drain output with internal pullup (~20 µA); DSP drives it low for 128 CLKIN cycles on a watchdog reset. Recommend driving externally with an open-drain device."
      },
      {
        "number": "94",
        "name": "TCK",
        "type": "input",
        "description": "JTAG test clock. Internal pullup."
      },
      {
        "number": "95",
        "name": "PDPINTB",
        "type": "input",
        "description": "Power drive protection interrupt B (falling-edge sensitive). Tri-states EVB PWM outputs on assertion. Internal pullup."
      },
      {
        "number": "96",
        "name": "TDI",
        "type": "input",
        "description": "JTAG test data input; clocked in on the rising edge of TCK. Internal pullup."
      },
      {
        "number": "97",
        "name": "VSSO",
        "type": "power_in",
        "description": "I/O-buffer ground."
      },
      {
        "number": "98",
        "name": "VDDO",
        "type": "power_in",
        "description": "I/O-buffer supply (+3.3 V)."
      },
      {
        "number": "99",
        "name": "TDO",
        "type": "output",
        "description": "JTAG test data output; shifted out on the falling edge of TCK. Internal pulldown."
      },
      {
        "number": "100",
        "name": "TMS",
        "type": "input",
        "description": "JTAG test-mode select; clocked into the TAP controller on the rising edge of TCK. Internal pullup."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tms320lf2406a",
        "pages": 141,
        "sha256": "f19019cb4a75676b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tms320lf2406apza.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tms320lf2406apza-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "70140a9db6d72330ee3ac24fc3f8796b8fb9a14c6b42d8b3581468be52068d6a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "LQFP-100(14x14)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "100"
    }
  },
  "variants": [
    {
      "mpn": "TMS320LF2406APZA",
      "kind": "packaging"
    },
    {
      "mpn": "TMS320LF2406APZAPZS",
      "kind": "packaging"
    },
    {
      "mpn": "TMS320LF2406APZAPGE",
      "kind": "packaging"
    },
    {
      "mpn": "TMS320LF2406APZAPAG",
      "kind": "packaging"
    },
    {
      "mpn": "TMS320LF2406APZAPG",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
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