EVM Setup and Requirements
3
SLLU313 – May 2019
Copyright © 2019, Texas Instruments Incorporated
TLIN1021 EVM User's Guide
2
EVM Setup and Requirements
Use the following equipment to evaluate the performance of the TLINx021-Q1 device:
•
Power supply capable of supplying the desired supply voltage. Typical LIN applications use 12 V or
24 V, but the TLIN1021-Q1 operates with any supply voltage from 5.5 V to 36 V. Connect this voltage
across the VBAT and GND pins of either the J2, J3, or J5 connectors.
•
Power supply capable of supplying the desired IO pin voltage from 2 V to 5.5 V. Connect this voltage
across the VCC and GND pins of the J6 connector.
•
If the LIN bus interface or the INH pin is to be observed on an oscilloscope, use probes capable of
tolerating voltages as large as VBAT.
•
The logic interface pins (TXD: TP6, RXD: TP7, and EN: TP5) may interface to a microcontroller,
pattern generator, or logic analyzer with logic levels matching the VCC voltage.
2.1
Master Mode
To configure the board for master mode, place a shunt on J7 to connect the external 1-k
Ω
resistor and
series diode to the LIN bus per the LIN specification.
2.2
Slave Mode
To configure the board for slave mode, remove the shunt on J7 to disconnect the external 1-k
Ω
resistor
and series diode from the LIN bus per the LIN specification.
2.3
Pushbutton Wake
To use the pushbutton Wake circuit, push down on the S2 button while the device is in sleep mode to
transition it back to standby mode.