OPEN Alliance TC6 Protocolos compatibles

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OPEN Alliance TC6 10BASE-T1S MAC-PHY

¿Qué es OPEN Alliance TC6?

OPEN Alliance TC6 defines the SPI-based interface between a host controller and a 10BASE-T1S MAC-PHY device. Instead of implementing the Ethernet MAC in the host, TC6 MAC-PHY devices integrate both MAC and PHY functions, exposing a simple SPI interface for the host to send and receive Ethernet frames. The TC6 protocol defines the SPI frame format, header structure, data chunk transfer, and control commands for configuration, status polling, and frame transfer. Engineers developing automotive Ethernet nodes using TC6 MAC-PHY chips need to debug the SPI-level communication to verify frame transfer, configuration register access, and interrupt handling between the host microcontroller and the MAC-PHY device.

OPEN Alliance TC6 Referencia rápida

type	SPI-based MAC-PHY interface
signals	SPI + interrupt
max Speed	10 Mbps Ethernet via SPI
standard	OPEN Alliance TC6

Instrumentos Acute compatibles con OPEN Alliance TC6

Soluciones recomendadas

Recomendado para decodificación

TB3016F

Con canales analógicos

MSO2116E

Todos los productos compatibles

Decodificación de protocolo

Disparo por hardware

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Vea cómo los instrumentos Acute capturan y decodifican este protocolo en tiempo real. Solicite una demo o contacte a nuestro equipo.

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¿Cómo analizar OPEN Alliance TC6 con instrumentos Acute

Conecte su analizador lógico Acute a la interfaz SPI entre el controlador host y el MAC-PHY TC6: CLK, CS#, MOSI, MISO y opcionalmente la línea de interrupcion.

Conecte un cable de tierra a la referencia de tierra de la placa objetivo.

En el software Acute, seleccione el OPEN Alliance TC6 protocol decoder y asigne cada señal SPI al canal de entrada correspondiente.

Configure el modo SPI y el tamano de bloque TC6 correspondiente a su configuración MAC-PHY.

Capture y visualice los TC6 transactions showing data headers, control commands, Ethernet frame payloads, and status information.

Preguntas frecuentes

Que tasa de muestreo necesito para el análisis TC6 ?

TC6 uses a standard SPI interface, typically running at 15-30 MHz. Sample at a minimum of 4x the SPI clock frequency. For a 25 MHz SPI clock, use at least 100 MHz sampling. Higher sample rates provide better timing margin for decoding the SPI data and the TC6 header/footer fields within each SPI transaction.

Por que mi controlador host TC6 no recibe tramas Ethernet del MAC-PHY?

TC6 frame reception requires the host to poll the MAC-PHY by initiating SPI transactions. If the host is not polling frequently enough or is not reading the data valid flag in the TC6 footer, received frames may be dropped. Capture the SPI bus to verify that the host is sending sufficient read transactions and that the TC6 footer fields indicate data is available. Also check that the MAC-PHY's interrupt output is correctly wired and handled, as it signals when received frames are pending.

Cuantos canales se necesitan para el análisis de TC6 ?

TC6 SPI analysis requires 4 channels: CLK, CS#, MOSI, and MISO. Adding the interrupt line (INT#) from the MAC-PHY to the host brings the total to 5 channels. If you also need to monitor the RESET# line or a GPIO used for MAC-PHY configuration, add 1-2 more channels. Most TC6 debugging requires 4-5 channels.

Protocolos relacionados

10BASE-T1S SPI

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