M16C6K9 Datasheet, PDF (58/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Interrupt
Interrupt factor selection register 3
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
IFSR3
Address
035816
When reset
0016
Bit symbol
IFSR30
IFSR31
Bit name
Interrupt factor selection bits
(Selecting interrupt factor in the
address of 005616)
Function
b1 b0
0 0 : Timer A1
0 1 : INT7 (Note 1)
1 0 : SIO3 (Note 2)
1 1 : Inhibited
RW
IFSR32
IFSR33
IFSR34
IFSR35
IFSR36
IFSR37
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005816)
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005916)
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005C16)
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005D16)
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005E16)
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005F16)
0 : Timer A3
1 : IBF2
0 : Timer A4
1 : IBF3
0 : Timer B2
1 : Key input interrupt 1
0 : INT0
1 : PS20
0 : INT1
1 : PS21
0 : INT2
1 : PS22
Note 1: Do not select the bit if INT7 are selected by interrupt factor selection register 1.
Note 2: Do not select the bit if SIO3 is selected by interrupt factor selection register 0.
Interrupt factor selection register 4
b7 b6 b5 b4 b3 b2 b1 b0
00
Symbol
IFSR4
Address
035916
When reset
0016
Bit symbol
IFSR40
Bit name
INT6 Interrupt polarity
switching bit
IFSR41
INT7 Interrupt polarity
switching bit
IFSR42
INT8 Interrupt polarity
switching bit
IFSR43
INT9 Interrupt polarity
switching bit
IFSR44
INT10 Interrupt polarity
switching bit
IFSR45
INT11 Interrupt polarity
switching bit
Reserved bits
Function
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
0 : One edge
1 : Two edges
Must be "0"
RW
Fig.DD-13 Interrupt factor selection register(3)
Rev.1.00 Jun 06, 2003 page 58 of 290