{ "metadata": { "id": "lsm6ds3tr-c", "name": "LSM6DS3TR-C", "type": "sensor", "description": "6-axis IMU with 3D accelerometer + 3D gyroscope, I2C/SPI digital interface, embedded FIFO, and always-on low-power features.", "manufacturer": "STMicroelectronics", "part_number": "LSM6DS3TR-C", "datasheet_url": "https://www.st.com/resource/en/datasheet/lsm6ds3tr-c.pdf", "tags": [ "accelerometer", "gyroscope", "imu", "i2c", "spi", "fifo", "6-axis", "interrupts", "temperature-sensor" ], "schema_version": "1.4.0", "version": "1.1.0", "taxonomy": [ "sensor.motion" ] }, "domains": [ { "domain": "electrical", "power_domains": [ { "id": "vdd", "name": "VDD core/sense", "nominal_voltage_V": 1.8, "voltage_range_V": [ 1.71, 3.6 ], "isolation_type": "non_isolated", "ground_reference": "common", "description": "Main analog/digital supply." }, { "id": "vddio", "name": "VDDIO I/O supply", "nominal_voltage_V": 1.8, "voltage_range_V": [ 1.62, 3.6 ], "isolation_type": "non_isolated", "ground_reference": "common", "description": "Digital I/O supply. Must not exceed VDD by more than 0.1 V." } ], "resources": [ { "id": "pin13_scl_spc", "name": "SCL/SPC", "description": "I2C clock / SPI clock", "functions": [ { "name": "I2C_SCL", "direction": "sink", "signal_class": "clock" }, { "name": "SPI_SCLK", "direction": "sink", "signal_class": "clock" } ], "power_domain_id": "vddio", "connector_type": "surface_pad", "notes": "I2C fast-mode 400 kHz; SPI up to 10 MHz." }, { "id": "pin14_sda_sdi_sdo", "name": "SDA/SDI/SDO", "description": "I2C data / SPI MOSI / 3-wire SDO", "functions": [ { "name": "I2C_SDA", "direction": "bidirectional", "signal_class": "data" }, { "name": "SPI_MOSI", "direction": "sink", "signal_class": "data" }, { "name": "SPI_SDO_3WIRE", "direction": "source", "signal_class": "data" } ], "power_domain_id": "vddio", "connector_type": "surface_pad", "notes": "External pull-ups required for I2C." }, { "id": "pin12_cs", "name": "CS", "description": "SPI chip-select, I2C/SPI mode select", "functions": [ { "name": "SPI_CS_N", "direction": "sink", "signal_class": "chip_select" } ], "power_domain_id": "vddio", "connector_type": "surface_pad", "notes": "Tie high to VDDIO for I2C mode." }, { "id": "pin1_sdo_sa0", "name": "SDO/SA0", "description": "SPI MISO / I2C address LSB", "functions": [ { "name": "SPI_MISO", "direction": "source", "signal_class": "data" }, { "name": "I2C_SA0", "direction": "config", "signal_class": "static_config" } ], "power_domain_id": "vddio", "connector_type": "surface_pad", "notes": "SA0=0 → 0x6A; SA0=1 → 0x6B (7-bit)." }, { "id": "pin4_int1", "name": "INT1", "description": "Programmable interrupt 1", "functions": [ { "name": "INT1", "direction": "source", "signal_class": "interrupt" } ], "power_domain_id": "vddio", "connector_type": "surface_pad", "notes": "Push-pull or open-drain selectable." }, { "id": "pin9_int2", "name": "INT2/DEN/MDRDY", "description": "Programmable interrupt 2 / Data enable / I2C master DRDY", "functions": [ { "name": "INT2", "direction": "source", "signal_class": "interrupt" }, { "name": "DEN", "direction": "sink", "signal_class": "control" }, { "name": "I2C_MDRDY", "direction": "bidirectional", "signal_class": "sync" } ], "power_domain_id": "vddio", "connector_type": "surface_pad" }, { "id": "pin5_vddio", "name": "VDDIO", "description": "I/O supply", "functions": [ { "name": "VDDIO_IN", "direction": "sink", "signal_class": "power" } ], "power_domain_id": "vddio", "connector_type": "surface_pad" }, { "id": "pin8_vdd", "name": "VDD", "description": "Core/sensor supply", "functions": [ { "name": "VDD_IN", "direction": "sink", "signal_class": "power" } ], "power_domain_id": "vdd", "connector_type": "surface_pad" }, { "id": "pin6_gnd", "name": "GND", "description": "Ground", "functions": [ { "name": "GND", "direction": "sink", "signal_class": "ground" } ], "power_domain_id": "vdd", "connector_type": "surface_pad" }, { "id": "pin7_gnd", "name": "GND", "description": "Ground", "functions": [ { "name": "GND", "direction": "sink", "signal_class": "ground" } ], "power_domain_id": "vdd", "connector_type": "surface_pad" }, { "id": "pin2_sdx", "name": "SDx", "description": "I2C master data (Mode 2) or tie to VDDIO/GND", "functions": [ { "name": "I2C_MSDA", "direction": "bidirectional", "signal_class": "data" } ], "power_domain_id": "vddio", "connector_type": "surface_pad" }, { "id": "pin3_scx", "name": "SCx", "description": "I2C master clock (Mode 2) or tie to VDDIO/GND", "functions": [ { "name": "I2C_MSCL", "direction": "sink", "signal_class": "clock" } ], "power_domain_id": "vddio", "connector_type": "surface_pad" }, { "id": "pin10_nc", "name": "NC", "description": "No connect", "functions": [ { "name": "NC", "direction": "none", "signal_class": "nc" } ], "power_domain_id": "vddio", "connector_type": "surface_pad" }, { "id": "pin11_nc", "name": "NC", "description": "No connect", "functions": [ { "name": "NC", "direction": "none", "signal_class": "nc" } ], "power_domain_id": "vddio", "connector_type": "surface_pad" } ], "interfaces": [ { "id": "i2c_slave", "name": "I2C slave", "protocol": { "type": "i2c", "role": "slave" }, "requires": [ { "function": "I2C_SCL", "count": 1 }, { "function": "I2C_SDA", "count": 1 } ], "constraints": { "max_connections": 1, "max_lane_rate_mbps": 0.4, "requires_matching_voltage_domain": true, "addressing": { "type": "7bit", "addresses": [ "0x6A", "0x6B" ] } }, "description": "Standard/Fast-mode I2C up to 400 kHz. Address set by SA0 (pin 1)." }, { "id": "spi_slave", "name": "SPI slave", "protocol": { "type": "spi", "role": "slave", "mode_support": [ "3-wire", "4-wire" ] }, "requires": [ { "function": "SPI_CS_N", "count": 1 }, { "function": "SPI_SCLK", "count": 1 }, { "function": "SPI_MOSI", "count": 1 }, { "function": "SPI_MISO", "count": 1 } ], "constraints": { "max_connections": 1, "max_lane_rate_mbps": 10 }, "description": "SPI up to 10 MHz, modes per datasheet; 3-wire enabled by SIM bit." }, { "id": "int1_if", "name": "INT1 output", "protocol": { "type": "digital", "role": "output" }, "requires": [ { "function": "INT1", "count": 1 } ], "constraints": { "max_connections": 1 }, "description": "Programmable interrupt output. Push-pull or open-drain." }, { "id": "int2_if", "name": "INT2 output", "protocol": { "type": "digital", "role": "output" }, "requires": [ { "function": "INT2", "count": 1 } ], "constraints": { "max_connections": 1 }, "description": "Programmable interrupt output. Can also serve DEN/MDRDY." }, { "id": "vdd_power_in", "name": "VDD Power", "protocol": { "type": "power", "role": "input" }, "requires": [ { "function": "VDD_IN", "count": 1 }, { "function": "GND", "count": 1 } ], "description": "1.71–3.6 V main supply with local decoupling." }, { "id": "vddio_power_in", "name": "VDDIO Power", "protocol": { "type": "power", "role": "input" }, "requires": [ { "function": "VDDIO_IN", "count": 1 }, { "function": "GND", "count": 1 } ], "description": "1.62 V min I/O supply. Keep ≤ VDD + 0.1 V." }, { "id": "i2c_master", "name": "I2C master (optional)", "protocol": { "type": "i2c", "role": "master" }, "requires": [ { "function": "I2C_MSCL", "count": 1 }, { "function": "I2C_MSDA", "count": 1 } ], "constraints": { "max_lane_rate_mbps": 0.4 }, "description": "Available only in Mode 2 for external sensor hub on SCx/SDx pins." } ], "supply_voltage_V": [ 1.62, 3.6 ], "power_consumption_mW": 1.62, "pin_count": 14, "metadata": { "package_type": "LGA-14L", "logic_levels": { "vih_min": "0.7*VDDIO", "vil_max": "0.3*VDDIO", "voh_min": "VDDIO-0.2V @4mA", "vol_max": "0.2V @4mA" } } }, { "domain": "mechanical", "resources": [ { "id": "pkg", "name": "Package", "description": "LGA-14 body", "functions": [ { "name": "MECHANICAL_MOUNT", "direction": "bidirectional", "signal_class": "mechanical_drive" } ], "connector_type": "surface_mount" } ], "interfaces": [ { "id": "pcb_mount", "name": "PCB mounting", "protocol": { "type": "mechanical_connection", "role": "mounting_point" }, "requires": [ { "function": "MECHANICAL_MOUNT", "count": 1 } ], "max_instances": 1, "description": "Surface-mount reflow per land pattern." } ], "package_type": "LGA-14L", "dimensions_mm": { "length": 3, "width": 2.5, "height": 0.86 }, "metadata": { "mounting_method": "surface_mount" } }, { "domain": "thermal", "resources": [], "interfaces": [], "operating_temperature_C": [ -40, 85 ], "metadata": { "requires_thermal_management": false } } ], "design_rules": [ "I2C requires external pull-up resistors to VDDIO on SCL and SDA.", "I2C 7-bit address is 0x6A (SA0=0) or 0x6B (SA0=1).", "SPI up to 10 MHz. Set SIM=1 for 3-wire operation.", "Keep VDDIO ≤ VDD + 0.1 V.", "Tie CS high to VDDIO for I2C mode. For SPI, drive CS from host.", "Leave NC pins 10 and 11 unconnected but soldered to PCB land." ], "usage_notes": "Typical operation uses VDD=1.8 V and VDDIO=1.8 V or 3.3 V. Provide local 100 nF decoupling on VDD and VDDIO. FIFO up to 4 kB supports batching. INT pins can be push-pull or open-drain via PP_OD bit.", "application_examples": [ "ST Application Note AN5130: LSM6DS3TR-C usage information.", "ST product page with resources and drivers." ], "compatibility_notes": "Logic thresholds scale with VDDIO. Ensure host I/O levels are compatible. For I2C, avoid address conflicts when SA0=1 (0x6B) or SA0=0 (0x6A).", "warnings": [ "Absolute maximum supply on any pin must not exceed 4.8 V.", "HBM ESD 2 kV; handle per JEDEC standards." ] }