C508_01 Datasheet, PDF (170/267 Pages) Infineon Technologies AG – 8-Bit CMOS Microcontroller

C508
On-Chip Peripheral Components
Bit
Function
TI
Serial port transmitter interrupt flag
TI is set by hardware at the end of the 8^th bit time in Mode 0, or at the
beginning of the stop bit in the other modes, in any serial transmission.
TI must be cleared by software.
RI
Serial port receiver interrupt flag
RI is set by hardware at the end of the 8^th bit time in Mode 0, or halfway
through the stop bit time in the other modes, in any serial reception
(exception see SM2). RI must be cleared by software.
User’s Manual
6-105
2001-05