1/1 Transceiver Half CANbus 8-SOIC The SN65HVD230DR is a high-speed Controller Area Network (CAN) transceiver designed to interface a CAN protocol controller with the physical two-wire CAN bus. It operates as a differential line driver and receiver, translating logic-level signals into robust bus-level signals suitable for automotive, industrial, and distributed control applications. The device is optimized for reliable communication in electrically noisy environments and supports low-power operation, making it suitable for systems requiring energy efficiency and extended operational stability. This transceiver conforms to widely adopted CAN physical layer standards and is intended for use in systems requiring high data integrity, fault tolerance, and electromagnetic compatibility. It integrates protection features and supports standby functionality to reduce system power consumption when communication is inactive. Functional Overview The device provides bidirectional signal conversion between a CAN controller and the differential CAN bus lines. It features a transmit data input and a receive data output, enabling full-duplex communication at the protocol level. The driver stage generates differential output signals on the bus, while the receiver stage detects and translates bus signals back into logic-level data. An internal control mechanism allows the device to enter a low-power standby mode, reducing current consumption when active communication is not required. The transceiver includes slope control capability to manage signal edge rates, which helps minimize electromagnetic interference and improves signal integrity across the network. Electrical Characteristics The transceiver operates from a single low-voltage supply and is designed for compatibility with modern microcontrollers and digital logic systems. It provides differential output drive capability with controlled rise and fall characteristics. The receiver is designed with high input sensitivity and noise immunity to ensure accurate signal detection under varying bus conditions. The device includes thermal protection and safeguards against bus faults, including short-circuit conditions. Its internal circuitry is designed to maintain stable operation across a wide range of environmental conditions and supply variations. Interface Requirements The logic interface is compatible with standard digital input and output levels, allowing direct connection to a CAN controller. The bus interface consists of two differential lines that connect to the CAN network. Proper termination and layout practices are required to ensure optimal communication performance and compliance with CAN network design guidelines. Operating Conditions The device is intended for operation across a broad temperature range suitable for industrial and automotive environments. It maintains functional integrity under typical voltage fluctuations and environmental stresses encountered in embedded systems. Protection and Reliability Features The transceiver incorporates protection mechanisms to guard against overcurrent, thermal overload, and electrostatic discharge. It is designed to maintain communication reliability even in the presence of transient disturbances and electrical noise. Packaging and Integration The SN65HVD230DR is provided in a compact surface-mount package suitable for automated assembly. Its pin configuration supports straightforward integration into printed circuit board designs with minimal external components. #CommonPartsLibrary #IntegratedCircuits #Interface #Drivers #Receivers #Transceivers #65HVD230

4/4 Transceiver Full MII, RMII 32-VQFN (5x5) ## Engineering Specification ## General Description The **LAN8770M-I/PRA** is a Microchip Technology single-port **100BASE-T1 Ethernet physical layer transceiver** designed for automotive, industrial, and embedded networking applications. It provides Ethernet communication over a single balanced twisted pair and is suitable for compact systems requiring reliable network connectivity, low-power operation, and standard MAC interface support. The device is commonly used in automotive electronic control units, infotainment systems, telematics modules, sensor nodes, industrial control systems, and embedded Ethernet hardware. ## Device Identification Manufacturer Part Number: **LAN8770M-I/PRA** Manufacturer: **Microchip Technology** Product Family: **LAN8770** Device Category: **Integrated Circuit** Device Type: **Ethernet PHY Transceiver** Ethernet Standard: **100BASE-T1** Interface Type: **MII and RMII** Mounting Type: **Surface Mount** Package Type: **VQFN** ## Functional Description The device functions as an Ethernet physical layer transceiver that connects a host controller or microcontroller MAC interface to a single-pair Ethernet physical medium. It handles the analog and digital PHY functions required for 100BASE-T1 communication, allowing embedded systems to transmit and receive Ethernet data over a single twisted pair cable. ## Network and Interface Description The **LAN8770M-I/PRA** supports 100 Mb/s single-pair Ethernet communication and provides MII and RMII host interface options. This allows integration with microcontrollers, processors, gateways, and network controllers that support standard Ethernet MAC interfaces. The device is intended for applications where compact Ethernet connectivity and reduced cabling complexity are required. ## Electrical Description The device is designed for low-voltage operation and supports multiple supply domains according to the manufacturer’s recommended operating conditions. Proper power sequencing, decoupling, reset handling, clocking, and reference layout should be implemented to maintain stable PHY operation and signal integrity. ## Package and Mechanical Description The component is supplied in a compact surface-mount **VQFN package**, suitable for dense printed circuit board assemblies. The package supports automated assembly and is appropriate for space-constrained automotive and industrial electronic designs. ## Control and Diagnostic Description The PHY supports management and configuration through standard control interfaces used in Ethernet designs. It provides status monitoring and configuration capability for link management, operating mode selection, and system-level diagnostics. These features allow the host controller to configure and monitor Ethernet link behavior during operation. ## Automotive and Industrial Suitability The **LAN8770M-I/PRA** is suitable for embedded systems requiring robust single-pair Ethernet communication. It is applicable to automotive networking, telematics, infotainment, advanced driver assistance systems, industrial Ethernet nodes, building automation, control modules, and other connected embedded platforms. ## Mounting and Assembly Description The component is intended for surface-mount PCB assembly using standard reflow soldering processes. PCB layout should follow Microchip’s hardware design guidance, including proper power supply decoupling, controlled impedance routing, short signal paths, grounding, and separation of sensitive analog and digital sections where applicable. ## Design Considerations The design should account for Ethernet signal integrity, single-pair cable interface requirements, common-mode noise control, EMC performance, supply filtering, oscillator or clock source requirements, reset timing, thermal performance, and package solderability. The device should not be operated beyond the manufacturer’s specified electrical, thermal, or mechanical limits. ## Application Suitability The device is suitable for automotive Ethernet nodes, electronic control units, telematics modules, infotainment systems, sensor interfaces, industrial controllers, embedded gateways, connected equipment, and compact network-enabled hardware requiring 100BASE-T1 Ethernet PHY functionality. ## Hashtags #commonpartslibrary #integratedcircuit #ethernetphy #microchip #microchiptechnology #lan8770 #lan8770mipra #singlepairethernet #100baset1 #automotiveethernet #ethernettransceiver #phytransceiver #embeddednetworking #mii #rmii #vqfnpackage #smdcomponent #surfacemount #automotiveelectronics #industrialethernet #telematics #infotainment #embeddedhardware #pcbdesign #hardwaredesign #electronicscomponents #electronicparts #componentlibrary #engineeringparts #electronicsengineering

Ethernet Controller 10/100 Base-T/TX Bus Interface 80-TQFP-EP (12x12) The LAN9254-I/JRX is an EtherCAT SubDevice (slave) controller developed by Microchip Technology, designed to serve as the communication backbone for industrial automation devices participating in an EtherCAT network. The device integrates dual Ethernet physical layer transceivers directly on-chip, eliminating the need for external PHY components and simplifying the design of EtherCAT-enabled equipment such as servo drives, sensors, I/O modules, and other field devices used in real-time industrial control systems. Architecturally, the controller can operate as either a two-port or three-port node, depending on the network topology required. In its standard configuration it functions as a two-port device supporting daisy-chain connections typical of EtherCAT line topologies. When configured as a three-port device, it gains an additional management interface port that can connect to an external PHY or to another LAN9254, enabling star or tree network topologies and allowing the device to act as a branching point within a larger EtherCAT installation. Each integrated Ethernet PHY operates in full-duplex mode and supports automatic crossover detection, so the device can use either straight-through or crossover cabling without requiring manual configuration. Beyond pure protocol handling, the LAN9254 includes a substantial set of general-purpose digital input and output lines, allowing it to be used in simple field devices without requiring a separate microcontroller. For more complex applications, the device communicates with an external host processor through an integrated host bus interface that behaves like simple memory-mapped SRAM, supporting both 8-bit and 16-bit data widths along with multiple byte-ordering conventions, which makes it straightforward to interface with a wide range of microcontroller and microprocessor architectures. Internally, dual process data RAM buffers manage the exchange of real-time process data between the host application and the EtherCAT communication engine, while a dedicated interrupt line notifies the host of relevant internal events. A key feature of the device is its built-in distributed clock mechanism, which provides high-precision timing synchronization across all nodes in an EtherCAT network. This capability is essential for motion control and other applications where multiple devices must act in tight temporal coordination. The controller also provides configurable status indication through standard network activity and link LEDs, along with optional error and run-state indicators that give visibility into the health and operational state of the device at a glance. Power architecture on the LAN9254 is simplified through an integrated linear regulator, allowing the device to be operated from a single primary supply rail while internally generating the lower voltage needed for its core logic. This reduces the external power supply complexity that would otherwise be required to support separate core and I/O voltage domains. The "-I" designation on this particular part number indicates an industrial-grade temperature rating, making it suitable for deployment in factory floor and other demanding industrial environments where extended thermal range and long-term reliability are required. The device is housed in a surface-mount package consistent with dense industrial control board layouts and is compliant with RoHS material restrictions. Spec Sheet Identification Part Number: LAN9254-I/JRX Device Family: LAN9254 Manufacturer: Microchip Technology Functional Classification Device Type: EtherCAT SubDevice (slave) controller Network Role: Two/three-port configurable node Integrated PHYs: Dual Ethernet physical layer transceivers, on-chip Auto-MDIX Support: Yes, supports direct and crossover cabling Communication & Protocol Features Protocol: EtherCAT Topology Support: Daisy-chain (line), star, and tree topologies Additional Port Mode: Optional third port for branching/tap configurations Clock Synchronization: Integrated distributed clock for high-precision timing Host Interface Interface Type: SRAM-like host bus interface Data Width Support: Selectable bit-width host bus operation Endianness Support: Multiple byte-ordering modes Process Data Handling: Dual process data RAM buffers Interrupt Support: Configurable host interrupt line Digital I/O General-Purpose I/O: Integrated digital I/O lines for microcontroller-less operation Standalone Mode: Supports operation without external microcontroller for simple device designs Power Architecture Supply Configuration: Single primary supply rail Internal Regulation: Integrated linear regulator for core voltage generation Status Indication LED Support: Standard run and link/activity indicators per port Optional Indicators: Configurable error and run-state status indicators Environmental & Qualification Temperature Grade: Industrial ("-I" suffix) RoHS Compliance: Yes Package Package Type: Surface-mount, quad flat package style Mounting: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel, per part suffix designation #LAN9254 #Microchip #EtherCAT #SlaveController #SubDeviceController #IndustrialEthernet #IndustrialAutomation #MotionControl #EmbeddedSystems #FieldDevice #DigitalIO #HostBusInterface #DistributedClock #TQFP #RoHSCompliant #IndustrialGrade #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #SemiconductorIC

ARM® Cortex®-M0+ MSPM0 C Microcontroller IC 32-Bit 24MHz 16KB (16K x 8) FLASH 8-DSBGA (0.86x1.6) MSPM0C110x microcontrollers (MCUs) are part of the MSP highly-integrated ultra-low-power 32-bit MCU family based on the enhanced Arm® Cortex®-M0+ core platform operating at up to 24MHz frequency. These costoptimized MCUs offer high-performance analog peripheral integration, support extended temperature ranges from -40°C to 125°C, and operate with supply voltages from 1.62V to 3.6V. The MSPM0C110x devices provide up to 16KB embedded flash program memory with 1KB SRAM. These MCUs incorporate a high-speed on-chip oscillator with an accuracy from -2% to +1.2%, eliminating the need for an external crystal. Additional features include a 1-channel DMA, CRC-16 accelerator, and a variety of highperformance analog peripherals such as one 12-bit 1.5Msps ADC with VDD as the voltage reference, and an on-chip temperature sensor. These devices also offer intelligent digital peripherals such as one 16-bit advanced timer, two 16-bit general purpose timer, one windowed watchdog timer, and a variety of communication peripherals including one UART, one SPI, and one I2C. These communication peripherals offer protocol support for LIN, IrDA, DALI, Manchester, smart card, SMBus, and PMBus. The TI MSPM0 family of low-power MCUs consists of devices with varying degrees of analog and digital integration let customers find the MCU that meets their project needs. The architecture combined with extensive low-power modes is optimized to achieve extended battery life in portable measurement applications. MSPM0C110x MCUs are supported by an extensive hardware and software ecosystem with reference designs and code examples to get the design started quickly. Development kits include a LaunchPad™ kit available for purchase and design files for a target-socket board. TI also provides a free MSP Software Development Kit (SDK), which is available as a component of Code Composer Studio™ IDE desktop and cloud version within the TI Resource Explorer. MSPM0 MCUs are also supported by extensive online collateral, training with MSP Academy, and online support through the TI E2E™ support forums. Features • Core – Arm® 32-bit Cortex®-M0+ CPU, frequency up to 24MHz • Operating characteristics – Extended temperature: –40°C to 125°C – Wide supply voltage range: 1.62V to 3.6V • Memories – Up to 16KB of flash – 1KB of SRAM • High-performance analog peripherals – One analog-to-digital converter (ADC) with up to 10 total external channels, 1.7Msps at 10 bit or 1.5Msps at 12 bit with VDD as the voltage reference – Configurable 1.4V or 2.5V internal ADC voltage reference (VREF) – Integrated temperature sensor – Integrated supply monitor • Optimized low-power modes – RUN: 87µA/MHz – STOP: 609µA at 4MHz, 311µA at 32kHz – STANDBY: 5µA with SRAM retention – SHUTDOWN: 200nA • Intelligent digital peripherals – 1-channel DMA controller dedicated for ADC – Three timers supporting up to 14 PWM channels • One 16-bit advanced timers with deadband support up to 8 PWM channels • One 16-bit general purpose timer with 4 capture/compares • One 16-bit general purpose timer with 2 capture/compares – Windowed watchdog timer – BEEPER generating 1kHz, 2kHz, 4kHz, or 8kHz square wave to drive the external beeper • Enhanced communication interfaces – One UART interface supporting LIN, IrDA, DALI, smart card, Manchester and low-power operation in STANDBY mode – One I2C interface supporting FM+ (1Mbps), SMBus, PMBus, and wakeup from STOP mode – One SPI supporting up to 12Mbps • Clock system – Internal 24MHz oscillator with an accuracy from -2% to +1.2% (SYSOSC) – Internal 32kHz low-frequency oscillator (LFOSC) • Data integrity – Cyclic redundancy checker (CRC-16) • Flexible I/O features – Up to 18 GPIOs – Two 5V-tolerant open-drain IOs • Development support – 2-pin serial wire debug (SWD) • Package options – 20-pin TSSOP (PW) – 20-pin VSSOP (DGS) – 20-pin WQFN (RUK) – 16-pin SOT (DYY) – 8-pin SOT (DDF) – 8-pin WSON (DSG) – 8-pin DSBGA (YCJ) • Family members (also see Device Comparison) – MSPS003F4: 16KB of flash, 1KB of RAM – MSPS003F3: 8KB of flash, 1KB of RAM – MSPM0C1104: 16KB of flash, 1KB of RAM – MSPM0C1103: 8KB of flash, 1KB of RAM • Development kits and software (also see Tools and Software) – LP-MSPM0C1104 LaunchPad™ development kit – MSP Software Development Kit (SDK) 2 Applications • Battery charging and management • Power supplies and power delivery • Personal electronics • Building security and fire safety • Connected peripherals and printers • Grid infrastructure • Smart metering • Communication modules • Medical and healthcare • Lighting #MSPM0C1104S8YCJR #MSPM0C1104 #TexasInstruments #CortexM0Plus #Microcontroller #EmbeddedSystems #LowPowerMCU #IoT #WearableDevices #IndustrialControl #ConsumerElectronics #ADC #UART #SPI #I2C #PWM #TI #ElectronicsDesign #PCBDesign #EmbeddedDevelopment

Spot the mistake! Learn how to use AI to conduct a design review on an ESP32-based control board. This project is ideal for autonomous or radio-controller robots featuring inputs for sensors, encoders, and a Flysky RC receiver, plus an I2C display for configuration.