M16C6K9 Datasheet, PDF (57/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Interrupt
Interrupt factor selection register 1
b7 b6 b5 b4 b3 b2 b1 b0
00
Symbol
IFSR1
Address
035616
When reset
0016
Bit symbol
Bit name
Function
Reserved bit
Must be "0"
IFSR11
Interrupt factor selection bit
0 : Bus collision detection
(Selecting interrupt factor in the 1 : INT4
address of 004A16)
Reserved bit
Must be "0"
RW
IFSR13
IFSR14
IFSR15
IFSR16
IFSR17
Interrupt factor selection bit
0 : DMA1
(Selecting interrupt factor in the _{1 : INT7 (Note 1)}
address of 004C16)
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 004F16)
0 : UART2 transmission
1 : IBF0
Interrupt factor selection bit
0 : UART2 reception
(Selecting interrupt factor in the
address of 005016)
1 : IBF1
Interrupt factor selection bit
(Selecting interrupt factor in
the address of 005116)
0 : UART0 transmission
1 : I²C0
Interrupt factor selection bit
(Selecting interrupt factor in
the address of 005316)
0 : UART1 transmission (Note 2)
1 : I²C1
Note 1: Do not select the bit if INT7 is selected by interrupt factor selection register 3.
Note 2: Do not select the bit if UART1 transmission is selected by interrupt factor selection
register 5.
Interrupt factor selection register 2
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
IFSR2
Address
035716
When reset
0016
Bit symbol
Bit name
IFSR20
IFSR21
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005216)
Function
b1 b0
0 0 : UART0 reception
0 1 : SCL0,SDA0 (Note1)
1 0 : INT11
(Note1)
1 1 : Inhibited
RW
IFSR22
IFSR23
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005416)
b3 b2
0 0 : UART1 reception (Note 2)
0 1 : SCL1,SDA1 (Note1)
1 0 : INT10
(Note1)
1 1 : Inhibited
IFSR24
IFSR25
IFSR26
IFSR27
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005A16)
b5 b4
0 0 : Timer B0
0 1 : INT11
(Note1)
1 0 : SCL0,SDA0 (Note1)
1 1 : Inhibited
Interrupt factor selection bit
(Selecting interrupt factor in the
address of 005B16)
b7 b6
0 0 : Timer B1
0 1 : INT10
(Note1)
1 0 : SCL1,SDA1 (Note1)
1 1 : Inhibited
Note1 : Do not select INT10, INT11, SCL0, SDA0, SCL1, SDA1 simultaneously in the
interrupt control registers.
Note 2: Do not select the bit if UART1 reception is selected by interrupt factor selection
register 5.
Fig.DD-12 Interrupt factor selection register(2)
Rev.1.00 Jun 06, 2003 page 57 of 290