Renesas M30245 Series User Manual page 74

M30245 Group
Interrupt request cause select register
b7 b6 b5 b4 b3
Figure 2.4.6. UARTi-related registers (4)
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
b2 b1 b0
Symbol
IFSR
Bit Symbol
INT0 interrupt polarity
IFSR0
swiching bit
INT1 interrupt polarity
IFSR1
swiching bit
INT2 interrupt polarity
IFSR2
swiching bit
Nothing is assigned.
Write "0" when writing to this bit. The value is indeterminate when read.
Bus collision interrupt
IFSR6
request cause select bit 0
Bus collision interrupt
IFSR7
request cause select bit 1
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Address When reset
035F ,
16
Bit name
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
0 : UART0 Bus collision /
Start/stop condition detection /
Trouble error detection
1 : UART2 Bus collision /
Start/stop condition detection /
Trouble error detection
0 : UART1 Bus collision /
Start/stop condition detection /
Trouble error detection
1 : UART3 Bus collision /
Start/stop condition detection /
Trouble error detection
00
16
Function
2. UART
R W