UJA1076
High-speed CAN core system basis chip
Rev. 01 — 1 December 2009 Product data sheet
1. General description
The U...
UJA1076
High-speed CAN core system basis chip
Rev. 01 — 1 December 2009 Product data sheet
1. General description
The UJA1076 core System Basis Chip (SBC) replaces the basic discrete components commonly found in Electronic Control Units (ECU) with a high-speed Controller Area Network (CAN). The UJA1076 supports the networking applications used to control power and sensor peripherals by using a high-speed CAN as the main network interface. The core SBC contains the following integrated devices:
High-speed CAN transceiver, inter-operable and downward compatible with CAN
transceiver TJA1042, and compatible with the ISO 11898-2 and ISO 11898-5 standards
Advanced independent watchdog (UJA1076/xx/WD versions) 250 mA voltage
regulator for supplying a microcontroller; extendable with external
PNP transistor for increased current capability and dissipation distribution
Separate voltage
regulator for supplying the on-board CAN transceiver Serial peripheral interface (full duplex) 2 local wake-up input ports Limp-home output port
In addition to the advantages gained from integrating these common ECU functions in a single package, the core SBC offers an intelligent combination of system-specific functions such as:
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Advanced low-power concept Safe and controlled system start-up behavior Detailed status reporting on system and sub-system levels
The UJA1076 is designed to be used in combination with a microcontroller that incorporates a CAN cont...