M16C6K9 Datasheet, PDF (59/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Interrupt
Interrupt factor selection register 5
b7 b6 b5 b4 b3 b2 b1 b0
000
Symbol
IFSR 5
Address
035A16
When reset
0016
Bit symbol
Bit name
Function
IFSR50
Interrupt factor selection bit _{0 : SCL2,SDA2}
(Selecting interrupt factor in the _{1 : DMA0}
address of 004216)
IFSR51
Interrupt factor selection bit _{0 : Timer B5}
(Selecting interrupt factor in the _{1 : LRESET}
address of 004316)
IFSR52
IFSR53
Interrupt factor selection bit
b1 b0
(Selecting interrupt factor in the ^{0 0 : Timer B4}
address of 004616)
0 1 : UART1 reception (Note 1)
1 0 : SIO4(Note 2)
1 1 : Inhibited
RW
IFSR54
Interrupt factor selection bit _{0 : Timer B3}
(Selecting interrupt
address of 004716)
factor in the
1 : UART1 transmission (Note 3)
Reserved bits
Must be "0"
Note 1. Do not select the bit if UART1 reception is selected by interrupt factor selection
register 2.
Note 2. Do not select the bit if SIO4 is selected by interrupt factor selection register 0.
Note 3. Do not select the bit if UART1 transmission is selected by interrupt factor selection
register 1.
Fig. DD-14 Interrupt factor selection register(4)
Rev.1.00 Jun 06, 2003 page 59 of 290