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General description

The UJA1023 is a stand-alone Local Interconnect Network (LIN) I/O slave that replaces basic components commonly used in electronic control units for input and output handling. The UJA1023 contains a LIN 2.0 controller, an integrated LIN transceiver which is LIN 2.0 / SAE J2602 compliant and LIN 1.3 compatible, a 30 kΩtermination resistor necessary for LIN-slaves, and eight I/O ports which are configurable via the LIN bus.

Features and benefits

Automatic bit rate synchronization to any (master) bit rate between 1 kbit/s and 20kbit/s

Integrated LIN 2.0 / SAE J2602 transceiver (including 30 kΩtermination resistor)

Eight bidirectional I/O pins

4×2, 4×3, or 4×4 switch matrix to support reading and supplying a maximum number of 16 switches

Outputs configurable as high-side and/or low-side driver and as cyclic or PWM driver

8-bit ADC

Advanced low-power behavior

On-chip oscillator

Node Address (NAD) configuration via daisy chain or plug coding

Inputs supporting local wake-up and edge capturing

Configurable Sleep mode

Limp home configuration in case of error conditions

Extremely low electromagnetic emission

High immunity against electromagnetic interference

Bus line protected in accordance with ISO 7637

Extended ambient temperature range (?40°Cto+125°C)