UJA1078 NXP [NXP Semiconductors], UJA1078 Datasheet
UJA1078
Manufacturer Part Number
UJA1078
Description
High-speed CAN/dual LIN core system basis chip
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.UJA1078.pdf
(53 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
UJA1078ATW/5V0/WD/1
Manufacturer:
NXP/恩智浦
Quantity:
20 000
1. General description
The UJA1078 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) and two Local Interconnect Network (LIN) interfaces.
The UJA1078 supports the networking applications used to control power and sensor
peripherals by using a high-speed CAN as the main network interface and the LIN
interfaces as local sub-busses.
The core SBC contains the following integrated devices:
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:
The UJA1078 is designed to be used in combination with a microcontroller that
incorporates a CAN controller. The SBC ensures that the microcontroller always starts up
in a controlled manner.
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UJA1078
High-speed CAN/dual LIN core system basis chip
Rev. 02 — 27 May 2010
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
LIN transceivers compliant with LIN 2.1, LIN 2.0 and SAE J2602, and compatible with
LIN 1.3
Advanced independent watchdog (UJA1078/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 (SPI) (full duplex)
2 local wake-up input ports
Limp home output port
Advanced low-power concept
Safe and controlled system start-up behavior
Detailed status reporting on system and sub-system levels
Product data sheet
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