M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 589
M-V850E-IA4
Manufacturer Part Number
M-V850E-IA4
Description
KIT EVAL V850E IA4 UPD70F3186
Manufacturer
Renesas Electronics America
Specifications of M-V850E-IA4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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14.6.5 Reception errors
reception result error flags are set in the UAnSTR register and a reception error interrupt request signal (INTUAnRE)
is output when an error occurs.
Errors during a receive operation are of three types: parity errors, framing errors, and overrun errors. Data
It is possible to ascertain which error occurred during reception by reading the contents of the UAnSTR register.
Clear the reception error flag by writing 0 to it after reading it.
Caution The reception end interrupt request signal (INTUAnR) and reception error interrupt request
Remark
• Reception error causes
UAnPE
UAnFE
UAnOVE
Error Flag
signal (INTUAnRE) are not generated simultaneously. The INTUAnR signal is generated when a
reception ends normally. The INTUAnRE signal is generated and the INTUAnR signal is not
generated when a reception error occurs.
n = 0, 1
Parity error
Overrun error
Framing error
Reception Error
CHAPTER 14 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
Received parity bit does not match the setting
Stop bit not detected
Reception of next data ended before data was read from UAnRX register
User’s Manual U16543EJ4V0UD
Cause
587
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