The Dual LIN Click Board™ is a dual transceiver for the Local Interconnect Network (LIN) with integrated wake-up and protection features. The Dual LIN Click Board™ is designed for in-vehicle networks using data transmission rates up to 20 kbps. This Click board™ contains the TLE7268SKXUMA1 from Infineon; Dual LIN Click Board™ includes two independent transceivers that operate as bus drivers between the protocol controller and physical LIN networks.
The Dual LIN Click Board™ communicates with the MCU using the UART RX and TX signals. RX and TX signals are also routed to the header on the edge of the Click Board™ board™ so they can be used independently of the mikroBUS™ socket. Its most important features are that it is a two separate single-wire LIN transceiver bus for transmission rates up to 20 kbps and is compliant with ISO 17987-4 and LIN Specification 2.2A.
The EN1 and EN2 pins are used to enable the functionality of BUS 1 or BUS 2 of the device. When the EN1 pin is set to a HIGH logic level, the BUS 1 of the device is set to work in the normal mode, with the transmission paths from TXD to LIN and from LIN to RXD both active.
When the EN2 pin is set to a HIGH logic level, the BUS 2 of the device is set to work in the normal mode, with the transmission paths from TXD to LIN and from LIN to RXD both active. When the EN1 pin is set to a LOW state, the BUS 1 of the device is put into silent mode, depending on the TX pin state. The EN1 pin has a pull-down resistor, so it is pulled to the Ground if left to float. When the EN2 pin is set to a LOW state, the BUS 2 of the device is put into silent mode, depending on the TX pin state. The EN2 pin has a pull-down resistor, so it is pulled to Ground if left to float.
The Dual LIN Click Board™supports different modes of operation of the two transceivers for minimizing ECU current consumption in low power modes, a common INH output can be used for controlling external circuitry, for example, voltage regulators. Based on the Infineon BiCMOS technology. It provides excellent ESD robustness and high electromagnetic compliance (EMC). The TLE7268SKXUMA1 reaches a very low level of electromagnetic emission (EME) within a broad frequency range and is independent of the battery voltage. The TLE7268SKXUMA1 is AEC qualified and tailored to withstand the harsh conditions of the automotive environment.
Some of the key features that are incorporated in the TLE7268SKXUMA1 are overtemperature protection, under-voltage detection. The Dual LIN Click Board™ is digital I/O levels compatible with 3.3 V and 5 V microcontrollers that it is optimized for high electromagnetic compliance (EMC) with very low electromagnetic emission and high immunity to interference. It also features two independent single-wire LIN transceivers in one device and gives out a transmission rate of up to 20 kbps.
Given the features included in this transceiver, the Dual LIN Click Board™ can be used for Body Control Modules (BCM) and Gateway.
| Type | LIN |
| Applications | Automotive applications: Body control modules (BCM) and Gateway |
| On-board modules | TLE7268SKXUMA1, a Dual LIN transceiver from Infineon |
| Key Features | Two independent single-wire LIN transceivers in one device, transmission rate up to 20 kbps, very low electromagnetic emission, High immunity to interference |
| Interface | GPIO,UART |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
This table shows how the pinout of the Dual LIN Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| Output Enable | EN1 | 2 | RST | INT | 15 | NC | |
| Output Enable | EN2 | 3 | CS | RX | 14 | TX | UART Transmit |
| NC | 4 | SCK | TX | 13 | RX | UART Receive | |
| NC | 5 | MISO | SCL | 12 | NC | ||
| NC | 6 | MOSI | SDA | 11 | NC | ||
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | 5V | Power Supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
| TB1 | BUS 1 | - | Terminal block for connecting LIN BUS 1 |
| TB2 | BUS 2 | - | Terminal block for connecting LIN BUS 2 |
| TB2 | VS | - | Terminal block for connecting LIN bus power supply voltage |
| TB2 | VCC SEL | Left | Power supply voltage selection: left position 3.3V, right position 5V |
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| LIN bus supply voltage | 5 | - | 40 | V |
The Dual LIN Click Board is a dual transceiver for the Local Interconnect Network (LIN) with integrated wake-up and protection features. The Dual LIN click is designed for in-vehicle networks using data transmission rates up to 20 kbps. This Click board™ contains the TLE7268SKXUMA1 from Infineon, Dual LIN click includes two independent transceivers that operate as bus drivers between the protocol controller and physical LIN networks.
The Dual LIN click communicates with the MCU by using the UART RX and TX signals. RX and TX signals are also routed to the header on the edge of the click board™ so they can be used independently of the mikroBUS™ socket. Its most important features are the fact that it is a two separate single-wire LIN transceiver bus for transmission rates up to 20 kbps and it is compliant to ISO 17987-4 and LIN Specification 2.2A.
The EN1 and EN2 pins are used to enable the functionality of BUS 1 or BUS 2 of the device. When the EN1 pin is set to a HIGH logic level, the BUS 1 of the device is set to work in the normal mode, with the transmission paths from TXD to LIN and from LIN to RXD both active.
When the EN2 pin is set to a HIGH logic level, the BUS 2 of the device is set to work in the normal mode, with the transmission paths from TXD to LIN and from LIN to RXD both active. When the EN1 pin is set to a LOW state, the BUS 1 of the device is put into silent mode, depending on the TX pin state. The EN1 pin has a pull-down resistor, so it is pulled to Ground if it is left afloat. When the EN2 pin is set to a LOW state, the BUS 2 of the device is put into silent mode, depending on the TX pin state. The EN2 pin has a pull-down resistor, so it is pulled to Ground if it is left afloat.
The Dual LIN click supports different modes of operation of the two transceivers for minimising ECU current consumption in low power modes, a common INH output can be used for controlling external circuitry, for example voltage regulators. Based on the Infineon BiCMOS technology. It provides excellent ESD robustness together with very high electromagnetic compliance (EMC). The TLE7268SKXUMA1 reaches a very low level of electromagnetic emission (EME) within a broad frequency range and independent from the battery voltage. The TLE7268SKXUMA1 is AEC qualified and tailored to withstand the harsh conditions of the automotive environment.
Some of the key features that are incorporated in the TLE7268SKXUMA1 are over-temperature protection, under-voltage detection. The Dual LIN click is digital I/O levels compatible with 3.3 V and 5 V microcontrollers, that it is optimized for high electromagnetic compliance (EMC) with very low electromagnetic emission and high immunity to interference. It also features two independent single-wire LIN transceivers in one device and gives out a transmission rate of up to 20 kbps.
Given the features included in this transceiver, the Dual LIN click can be used for Body Control Modules (BCM) and Gateway.
The Dual LIN Click Board is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click Board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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We provide a library for the Dual LIN Click Board™ on our LibStock page and a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
The library includes functions to write or read data from UART. You can set state of pins(RST - BUS1, CS - BUS2) you want to change it, and get state of pin(INT - INH).
void duallin_write_byte ( uint8_t input ) - Write single byte of datauint8_t duallin_read_byte ( void ) - Read single byte of datauint8_t duallin_byte_ready ( void ) - Check for new byte receiveduint8_t duallin_bus1_status ( uint8_t state ) - Sets state of bus1 pinThe application is composed of three sections :
void applicationTask( )
{
uint8_t tmp;
char rec;
uint8_t rdyFlag;
uint8_t mode = DUALLIN_WRITE_MODE;
if ( mode == DUALLIN_READ_MODE )
{
// RECEIVER - UART polling
rdyFlag = duallin_byte_ready( );
if ( DUALLIN_DATA_READY == rdyFlag )
{
rec = duallin_read_byte( );
mikrobus_logWrite( &rec, _LOG_BYTE );
}
}
else if ( mode == DUALLIN_WRITE_MODE )
{
// TRANSMITER - TX each 2 sec
for ( tmp = 0; tmp < 11; tmp++ )
{
duallin_write_byte( MESSAGE_DATA[ tmp ] );
if ( tmp < 6 )
{
Delay_ms( 100 );
}
}
Delay_ms( 2000 );
}
}
The complete application code and ready-to-use projects can be found on our LibStock page.Other mikroE Libraries used in the example:
Depending on the development board you are using, you may need USB UART Click Board™, USB UART 2 Click Board™ or RS232 Click Board™ to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.
The Dual LIN Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.
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The Dual LIN Click Board™ is designed for in-vehicle networks using data transmission rates up to 20 kbps. This Click board™ contains the TLE7268SKXUMA1 from Infineon; "},{"type":"text","value":"Dual LIN Click Board™","bold":true},{"type":"text","value":" includes two independent transceivers that operate as bus drivers between the protocol controller and physical LIN networks."}]},{"type":"paragraph","children":[{"type":"text","value":""}]},{"type":"paragraph","children":[{"type":"text","value":"The "},{"type":"text","value":"Dual LIN Click Board™","bold":true},{"type":"text","value":" communicates with the MCU using the UART RX and TX signals. RX and TX signals are also routed to the header on the edge of the Click Board™ board™ so they can be used independently of the mikroBUS™ socket. Its most important features are that it is a two separate single-wire LIN transceiver bus for transmission rates up to 20 kbps and is compliant with ISO 17987-4 and LIN Specification 2.2A."}]},{"type":"paragraph","children":[{"type":"text","value":"The EN1 and EN2 pins are used to enable the functionality of BUS 1 or BUS 2 of the device. When the EN1 pin is set to a HIGH logic level, the BUS 1 of the device is set to work in the normal mode, with the transmission paths from TXD to LIN and from LIN to RXD both active."}]},{"type":"paragraph","children":[{"type":"text","value":"When the EN2 pin is set to a HIGH logic level, the BUS 2 of the device is set to work in the normal mode, with the transmission paths from TXD to LIN and from LIN to RXD both active. When the EN1 pin is set to a LOW state, the BUS 1 of the device is put into silent mode, depending on the TX pin state. The EN1 pin has a pull-down resistor, so it is pulled to the Ground if left to float. When the EN2 pin is set to a LOW state, the BUS 2 of the device is put into silent mode, depending on the TX pin state. The EN2 pin has a pull-down resistor, so it is pulled to Ground if left to float."}]},{"type":"paragraph","children":[{"type":"text","value":"The "},{"type":"text","value":"Dual LIN Click Board™","bold":true},{"type":"text","value":"supports different modes of operation of the two transceivers for minimizing ECU current consumption in low power modes, a common INH output can be used for controlling external circuitry, for example, voltage regulators. Based on the Infineon BiCMOS technology. It provides excellent ESD robustness and high electromagnetic compliance (EMC). The TLE7268SKXUMA1 reaches a very low level of electromagnetic emission (EME) within a broad frequency range and is independent of the battery voltage. The TLE7268SKXUMA1 is AEC qualified and tailored to withstand the harsh conditions of the automotive environment."}]},{"type":"paragraph","children":[{"type":"text","value":"Some of the key features that are incorporated in the TLE7268SKXUMA1 are overtemperature protection, under-voltage detection. The Dual LIN Click Board™ is digital I/O levels compatible with 3.3 V and 5 V microcontrollers that it is optimized for high electromagnetic compliance (EMC) with very low electromagnetic emission and high immunity to interference. It also features two independent single-wire LIN transceivers in one device and gives out a transmission rate of up to 20 kbps."}]},{"type":"paragraph","children":[{"type":"text","value":"Given the features included in this transceiver, the Dual LIN Click Board™ can be used for Body Control Modules (BCM) and Gateway."}]},{"type":"heading","level":3,"children":[{"type":"text","value":"SPECIFICATIONS"}]},{"type":"paragraph","children":[{"type":"text","value":"Type\nLIN\nApplications\nAutomotive applications: Body control modules (BCM) and Gateway\nOn-board modules\nTLE7268SKXUMA1, a Dual LIN transceiver from Infineon\nKey Features\nTwo independent single-wire LIN transceivers in one device, transmission rate up to 20 kbps, very low electromagnetic emission, High immunity to interference\nInterface\nGPIO,UART\nCompatibility\nmikroBUS\nClick board size\nM (42.9 x 25.4 mm)\nInput Voltage\n3.3V or 5V"}]},{"type":"heading","level":3,"children":[{"type":"text","value":"PINOUT DIAGRAM"}]},{"type":"paragraph","children":[{"type":"text","value":"This table shows how the pinout of the "},{"type":"text","value":"Dual LIN Click Board™","bold":true},{"type":"text","value":" corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns)."}]},{"type":"paragraph","children":[{"type":"text","value":"Notes\nPin\nPin\nNotes\nNC\n1\nAN\nPWM\n16\nNC\nOutput Enable\nEN1\n2\nRST\nINT\n15\nNC\nOutput Enable\nEN2\n3\nCS\nRX\n14\nTX\nUART Transmit\nNC\n4\nSCK\nTX\n13\nRX\nUART Receive\nNC\n5\nMISO\nSCL\n12\nNC\nNC\n6\nMOSI\nSDA\n11\nNC\nPower Supply\n3.3V\n7\n3.3V\n5V\n10\n5V\nPower Supply\nGround\nGND\n8\nGND\nGND\n9\nGND\nGround"}]},{"type":"heading","level":3,"children":[{"type":"text","value":"ONBOARD SETTINGS AND INDICATORS"}]},{"type":"paragraph","children":[{"type":"text","value":"Label\nName\nDefault\nDescription\nLD1\nPWR\n-\nPower LED Indicator\nTB1\nBUS 1\n-\nTerminal block for connecting LIN BUS 1\nTB2\nBUS 2\n-\nTerminal block for connecting LIN BUS 2\nTB2\nVS\n-\nTerminal block for connecting LIN bus power supply voltage\nTB2\nVCC SEL\nLeft\nPower supply voltage selection: left position 3.3V, right position 5V"}]},{"type":"heading","level":3,"children":[{"type":"text","value":"DUAL LIN CLICK ELECTRICAL SPECIFICATIONS"}]},{"type":"paragraph","children":[{"type":"text","value":"Description\nMin\nTyp\nMax\nUnit\nLIN bus supply voltage\n5\n-\n40\nV"}]},{"type":"heading","level":3,"children":[{"type":"text","value":" "}]}]} - summary:The Dual LIN Click Board™ is based on the Infineon TLE7268SKXUMA1, a Dual LIN transceiver. Given the features included in this transceiver, the Dual LIN transceiver is designed for data transmission rates up to 20 kbps being fully compliant with the ISO17987-4, LIN specification 2.2A and SAE J2602 standards.