Trinamic TMC8461-BA

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TMC846x are the first EtherCAT slave controller ICs to incorporate PWM and Step/Dir I/O peripherals that do not require routing through the firmware of an application processor, eliminating latency for applications requiring real-time response. The TMC846x extends the feature set of the core EtherCAT technology with a broad array of peripherals and features: an integrated smart peripherals block accessible from an MCU or EtherCAT master and, in addition to a PWM unit and Step/Dir interface, an SPI master and encoder interface that can be directly mapped to the PDO (Process Data Object) by the memory manager. This unique SPI interface enables latency-free read from an ADC or write to a DAC


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Standard compliant EtherCAT Slave
2 MII Interfaces for external Ethernet PHY
SPI Process Data Interface (PDI)
IO Block with 24 Multi-Function I/Os
Internal 3.3V plus free 5V-24V switch regulator
8 High Voltage I/Os (up to 35V, 100mA)
Multifunction block comprises Watchdog, 4 PWM outputs and Step/Dir generator
Direct EtherCAT access to external ADCs, stepper motor controllers, etc.
EtherCAT-P compatible voltage range


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Trinamic TMC8461-BA
Part #: TMC8461-BA
Trinamic TMC8461-BA