CY3220LINBUS-RD Cypress Semiconductor Corp, CY3220LINBUS-RD Datasheet - Page 55

• Manufacturer Part Number: CY3220LINBUS-RD
• Description: KIT REF DESIGN LIN BUS
• Manufacturer: Cypress Semiconductor Corp
• Series: PSoC®r

Specifications of CY3220LINBUS-RD

• Main Purpose: Interface, LIN
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CY8C27143, CY8C27443
• Processor To Be Evaluated: CY8C27143-24PXI and CY8C27443-24PXI
• Interface Type: RS-232
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 428-1926

LIN Bus 2.0 Reference Design
// Process Frame2.
// the Frame2 buffer with the measured resistance
// Now check the bResponseError variable.
// then set the Response Error bit in the 2nd data byte (MSB) of Frame2
October 25, 2006
// Start the ADC and Start Conversion
ADC_Start(ADC_MEDPOWER);
ADC_StartAD();
// Enable Global Interrupts
M8C_EnableGInt;
// Infinite loop
while(1)
{
// corresponding bit in the bLED variable
// Read the LIN status
TransferStatus = (char)l_ifc_read_status();
// Check if Frame1 has been successfully received.
// update the LEDs with the data received.
if (BufferFrame1[0] & bfLAST_TRANSACTION_OK)
{
}
Resistance = CheckResistance();
TempBuffer[0] = (BYTE)Resistance;
TempBuffer[1] = ((BYTE)(Resistance >> 8)) & 0x7F;
// Update the Frame2 buffer with the prepared data
l_bytes_wr(Frame2, 1, 2, TempBuffer);
// Clear the Last Transaction Ok flag
BufferFrame1[0] &=
// Read the Frame1 buffer into TempBuffer
l_bytes_rd(Frame1, 0, 9, TempBuffer);
// Clear the Last Transaction OK Flag
TempBuffer[0] &= ~bfLAST_TRANSACTION_OK;
// Update Status Byte in Frame1 Buffer
l_bytes_wr(Frame1, 0, 1, TempBuffer);
// Now check the data bytes and set or clear the
bLED = 0;
for(i=0;i < 8 ; i++)
{
}
// Update Port 1 with LED data
PRT1DR = bLED;
if(TempBuffer[i+1] == 0)
{
}
else
{
}
bLED = bLED | ((BYTE)0x01 << (7-i));
bLED = bLED & (~(0x01 << (7-i)));
Call the CheckResistance function and update
~bfLAST_TRANSACTION_OK;
Cypress Semiconductor – Rev. **
If this variable is a non-zero
If yes,
5. Demonstration Projects
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