{ "metadata": { "id": "nrf52832-qfaa-r7", "name": "Nordic nRF52832-QFAA-R7", "type": "microcontroller", "description": "Bluetooth LE multiprotocol SoC with 64 MHz ARM Cortex-M4F, 512 kB Flash, 64 kB RAM. 2.4 GHz radio up to +4 dBm TX, -96 dBm RX sensitivity. QFN-48 6x6 mm package.", "manufacturer": "Nordic Semiconductor", "part_number": "nRF52832-QFAA-R7", "datasheet_url": "https://docs.nordicsemi.com/bundle/nRF52832_PS_v1.9/resource/nRF52832_PS_v1.9.pdf", "tags": [ "nrf52", "ble", "bluetooth", "arm-cortex-m4f", "2.4ghz", "soc" ], "schema_version": "1.4.0", "version": "1.2.0", "taxonomy": [ "connectivity.wireless" ] }, "domains": [ { "domain": "electrical", "power_domains": [ { "id": "vdd_main", "name": "VDD Main", "nominal_voltage_V": 3, "voltage_range_V": [ 1.7, 3.6 ], "isolation_type": "non_isolated", "ground_reference": "common", "description": "Primary supply for core, I/O, and radio" } ], "resources": [ { "id": "vdd", "name": "VDD", "description": "Main supply pin group", "functions": [ { "name": "POWER_IN", "description": "Part supply input", "direction": "sink", "shareable_with": [], "signal_class": "power" } ], "power_domain_id": "vdd_main", "connector_type": "pad" }, { "id": "gnd", "name": "GND", "description": "Ground pin group", "functions": [ { "name": "GROUND", "description": "Return reference", "direction": "sink", "shareable_with": [], "signal_class": "ground" } ], "power_domain_id": "vdd_main", "connector_type": "pad" }, { "id": "gpio_bank", "name": "GPIO/Pins 0..31", "description": "Multiplexed digital/analog I/O bank (32 lines, package dependent)", "functions": [ { "name": "DIGITAL_IO", "description": "General purpose I/O", "direction": "bidirectional", "shareable_with": [], "signal_class": "data" }, { "name": "I2C_SCL", "description": "I2C/TWI clock", "direction": "bidirectional", "shareable_with": [], "signal_class": "clock" }, { "name": "I2C_SDA", "description": "I2C/TWI data", "direction": "bidirectional", "shareable_with": [], "signal_class": "data" }, { "name": "SPI_SCK", "description": "SPI clock", "direction": "source", "shareable_with": [], "signal_class": "clock" }, { "name": "SPI_MOSI", "description": "SPI master out", "direction": "source", "shareable_with": [], "signal_class": "data" }, { "name": "SPI_MISO", "description": "SPI master in", "direction": "sink", "shareable_with": [], "signal_class": "data" }, { "name": "SPI_CS", "description": "SPI chip select", "direction": "source", "shareable_with": [], "signal_class": "data" }, { "name": "UART_TX", "description": "UART transmit", "direction": "source", "shareable_with": [], "signal_class": "data" }, { "name": "UART_RX", "description": "UART receive", "direction": "sink", "shareable_with": [], "signal_class": "data" }, { "name": "PWM_OUT", "description": "PWM output", "direction": "source", "shareable_with": [], "signal_class": "data" }, { "name": "ADC_IN", "description": "12-bit ADC input channels", "direction": "sink", "shareable_with": [], "signal_class": "sense" } ], "power_domain_id": "vdd_main", "connector_type": "pad" }, { "id": "swd_debug", "name": "SWD Debug", "description": "SWDIO, SWCLK, RESET", "functions": [ { "name": "SWDIO", "description": "Serial Wire Debug I/O", "direction": "bidirectional", "shareable_with": [], "signal_class": "data" }, { "name": "SWCLK", "description": "SWD clock", "direction": "source", "shareable_with": [], "signal_class": "clock" }, { "name": "RESET", "description": "System reset", "direction": "source", "shareable_with": [], "signal_class": "data" } ], "power_domain_id": "vdd_main", "connector_type": "pad" }, { "id": "nfc", "name": "NFC-A", "description": "2-pin NFC tag interface", "functions": [ { "name": "NFC_PAD0", "description": "NFC antenna terminal 0", "direction": "bidirectional", "shareable_with": [], "signal_class": "data" }, { "name": "NFC_PAD1", "description": "NFC antenna terminal 1", "direction": "bidirectional", "shareable_with": [], "signal_class": "data" } ], "power_domain_id": "vdd_main", "connector_type": "pad" } ], "interfaces": [ { "id": "power_in", "name": "Power Input", "protocol": { "type": "power", "role": "input" }, "requires": [ { "function": "POWER_IN", "count": 1 }, { "function": "GROUND", "count": 1 } ], "description": "Device supply input 1.7–3.6 V" }, { "id": "i2c_master", "name": "I2C/TWI Master", "protocol": { "type": "i2c", "role": "master" }, "requires": [ { "function": "I2C_SCL", "count": 1 }, { "function": "I2C_SDA", "count": 1 } ], "constraints": { "requires_matching_voltage_domain": true }, "description": "I2C master up to 400 kHz" }, { "id": "spi_master", "name": "SPI Master", "protocol": { "type": "spi", "role": "master" }, "requires": [ { "function": "SPI_SCK", "count": 1 }, { "function": "SPI_MOSI", "count": 1 }, { "function": "SPI_MISO", "count": 1 }, { "function": "SPI_CS", "count": 1 } ], "constraints": { "requires_matching_voltage_domain": true, "max_lane_rate_mbps": 8 }, "description": "SPIM up to 8 MHz" }, { "id": "uart", "name": "UART", "protocol": { "type": "uart", "role": [ "transmitter", "receiver" ] }, "requires": [ { "function": "UART_TX", "count": 1 }, { "function": "UART_RX", "count": 1 } ], "description": "UART/UARTE interface" }, { "id": "pwm_out", "name": "PWM Output", "protocol": { "type": "digital", "role": "transmitter" }, "requires": [ { "function": "PWM_OUT", "count": 1 } ], "description": "PWM via TIMER/PWM with EasyDMA" }, { "id": "adc_input", "name": "Analog Input", "protocol": { "type": "analog", "role": "input" }, "requires": [ { "function": "ADC_IN", "count": 1 } ], "description": "12-bit ADC channels" }, { "id": "swd", "name": "SWD Debug", "protocol": { "type": "swd_debug", "role": "target" }, "requires": [ { "function": "SWDIO", "count": 1 }, { "function": "SWCLK", "count": 1 } ], "description": "SWD programming/debug; RESET optional" }, { "id": "nfc_tag", "name": "NFC-A Tag", "protocol": { "type": "nfc_antenna", "role": "transceiver" }, "requires": [ { "function": "NFC_PAD0", "count": 1 }, { "function": "NFC_PAD1", "count": 1 } ], "description": "NFC-A Type 2 tag interface" } ], "supply_voltage_V": [ 1.7, 3.6 ], "power_consumption_mW": 16.2, "pin_count": 48, "metadata": { "supports_hot_plug": false, "supports_usb": false, "max_operating_freq_Hz": 64000000, "package_type": "QFN-48 (6x6) EP" } }, { "domain": "mechanical", "resources": [ { "id": "pkg_qfn48_ep", "name": "QFN-48 EP", "description": "6x6 mm, 0.85 mm height, exposed pad", "functions": [ { "name": "MECHANICAL_MOUNT", "description": "Surface-mount footprint", "direction": "bidirectional", "shareable_with": [], "signal_class": "mechanical_drive" } ], "connector_type": "surface_mount" } ], "interfaces": [ { "id": "footprint_mounting", "name": "Surface Mount Footprint", "protocol": { "type": "mechanical_connection", "role": "mounting_point" }, "requires": [ { "function": "MECHANICAL_MOUNT", "count": 1 } ], "description": "Reflow solder to PCB land pattern with center pad" } ], "package_type": "QFN-48", "dimensions_mm": { "length": 6, "width": 6, "height": 0.85 }, "metadata": { "mounting_method": "surface_mount", "enclosure_type": "ic_package" } }, { "domain": "thermal", "resources": [], "interfaces": [], "operating_temperature_C": [ -40, 85 ], "metadata": { "thermal_design_power_W": 0.05, "requires_thermal_management": false, "thermal_monitoring_available": false, "cooling_method": "passive" } }, { "domain": "network", "resources": [ { "id": "ble_stack", "name": "Bluetooth LE Radio/Stack", "description": "Multiprotocol 2.4 GHz radio and BLE stack", "functions": [ { "name": "BLE_RADIO", "description": "Bluetooth LE data link", "direction": "bidirectional", "shareable_with": [], "signal_class": "data" } ], "resource_type": "logical_port" } ], "interfaces": [ { "id": "bluetooth_le", "name": "Bluetooth LE", "protocol": { "type": "bluetooth", "role": [ "peer", "device" ], "version": "5.4" }, "requires": [ { "function": "BLE_RADIO", "count": 1 } ], "description": "BLE including 1M and 2M PHY, mesh capable (stack dependent)" } ], "metadata": { "network_protocols": [ "bluetooth" ], "wireless_standards": [ "Bluetooth 5.4" ], "frequency_bands_ghz": [ 2.4 ] } } ], "design_rules": [ "Do not exceed 3.6 V on VDD", "I/O are not 5 V tolerant", "Place RF matching and 50 Ω feed close to RF pin; follow Nordic reference layout", "Use external pull-ups for I2C as required", "Expose center pad to ground with thermal vias" ], "usage_notes": "Typical RX 5.4 mA, TX 5.3 mA at 0 dBm. DC/DC buck recommended for lowest power. SPI up to 8 MHz. One hardware UART. ADC 12-bit up to 8 channels. NFC Type 2 Tag available on dedicated pins.", "application_examples": [ "Battery IoT sensors", "Beacons", "Wearables", "Remote controls", "Mesh lighting nodes" ], "compatibility_notes": "Supports BLE 5.x features per stack (2M PHY; no coded PHY on nRF52832). BLE Mesh and NFC supported by Nordic SDK/SoftDevice.", "warnings": [ "Follow Nordic RF layout guidelines; improper matching degrades range and compliance", "ESD sensitive device" ] }