Tricore
Hardware
Infineon microcontroller family used in Bosch ECUs — Tricore (TC1796, TC1797, TC275, TC277) is the Infineon CPU family powering Bosch EDC17 and later ECUs. Reading/writing requires JTAG/BDM or boot mode.
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ECU (Engine Control Unit)
main engine computerTCM (Transmission Control Module)
transmission control computerDSG (Direct-Shift Gearbox)
VAG dual-clutch automatic transmissionSPI (Serial Peripheral Interface)
low-level chip-to-chip protocolEEPROM
small persistent memory chipTCU (Transmission Control Unit)
transmission control module
main engine computerTCM (Transmission Control Module)
transmission control computerDSG (Direct-Shift Gearbox)
VAG dual-clutch automatic transmissionSPI (Serial Peripheral Interface)
low-level chip-to-chip protocolEEPROM
small persistent memory chipTCU (Transmission Control Unit)
transmission control module