R8C25 Datasheet, PDF (396/525 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES

R8C/24 Group, R8C/25 Group
17. Hardware LIN
17.4.3 Bus Collision Detection Function
The bus collision detection function can be used when UART0 is enabled for transmission (TE bit in the U0C1
register = 1).
Figure 17.11 shows the Typical Operation when a Bus Collision is Detected.
TXD0 pin
1
0
RXD0 pin
1
0
Transfer clock
1
0
LINE bit in the 1
LINCR register 0
TE bit in the U0C1 1
register 0
BCDCT flag in the 1
LINST register 0
IR bit in the TRAIC 1
register 0
Set to 1 by a program
Set to 1 by a program
Set by writing 1 to
the B2CLR bit in the
LINST register
Cleared to 0 upon
acceptance of interrupt
request or by a program
Figure 17.11 Typical Operation when a Bus Collision is Detected
Rev.3.00 Feb 29, 2008 Page 379 of 485
REJ09B0244-0300