FAQs on using the SCI.
Check the following items according to the phenomenon. Refer to the chapter on Serial Communication Interface in User’s Manual: Hardware for the target SCI.
|Summary of Problem||Detail of Problem||FAQ No|
|No communication signal output||No signals output from the TXD terminal during the SCI communication (transmission)|
|After transmission interrupted by simplified I2C mode, transmission does not restart properly.||FAQNo:2000492|
|Unable to select the enable/disable setting for transmission or reception.||Unable to set the SCIx.TE bit/SCIx.RE bit to "1(Enabled)".||FAQNo:2000491|
|Unable to set the SCIx.TE bit/SCIx.RE bit to "0(Disabled)".||FAQNo:2000475|
|Omission of SCI transmission data byte||After starting SCI communication, the 1st byte or 2nd byte of transmission data is omitted (no output from the TXD terminal)||FAQNo:2000505|
|SCI transmission data is partly omitted||FAQNo:2000506|
|Unable to send the last byte data for transmission via DTC transfer||FAQNo:2000476|
|Interrupts are not generated||SCI TXI interrupts are not generated||FAQNo:2000507|
|SCI RXI interrupts are not generated||FAQNo:2000508|
|Interrupts are generated at unintended timing||TEI interrupts are generated at unintended timing||FAQNo:1000407|
|Unable to change the bit rate register dynamically||Unable to change the bit rate register (BRR) when trying to write the bit rate value dynamically||FAQNo:1010521|
|Unable to start communication for SCI FIT||For SCI module Firmware Integration Technology (FIT), when using multiple channels, the channels set after the first one do not start communication.||FAQNo:2000509|