Interrupt Control Register - Renesas M16C FAMILY Hardware Manual

Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/11 Group

Interrupt control register

b7 b6 b5 b4 b3
b7 b6 b5 b4 b3
0
Notes:
1. Only "0" can be written to the IR bit. (Do not write "1").
2. To rewrite the interrupt control register, do so at a point that does not generate the interrupt request for that register.
Refer to the paragraph 1.2.6 "Changing Interrupt Control Registers" in the Usage Notes Reference Book.
3. If the INTOPL bit in the INTEN register is set to "1" (both edges), set the POL bit to "0 " (selecting falling edge).
4. The IR bit may be set to "1" (interrupt requested) when the POL bit is rewritten. Refer to the paragraph 1.2.5
"Changing Interrupt Source" in the Usage Notes Reference Book.
Figure 10.3 Interrupt Control Registers
Rev.0.91 2003 Sep 08
2
Symbol
KUPIC
ADIC
CMP2IC
S0TIC, S1TIC
S0RIC, S1RIC
INT2IC
TXIC
TYIC
TZIC
INT1IC
b2 b1 b0
INT3IC
TCIC
CMP1IC
Bit symbol
Interrupt priority level
ILVL0
select bit
ILVL1
ILVL2
IR Interrupt request bit
Nothing is assigned.
When write, set to "0". When read, its content is indeterminate.
(b7-b4)
b2 b1 b0
Symbol
INT0IC
Bit symbol
Interrupt priority level
ILVL0
select bit
ILVL1
ILVL2
IR
Interrupt request bit
POL Polarity select bit
Reserved bit
Nothing is assigned.
(b7-b6)
When write, set to "0". When read, its content is indeterminate.
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Address
004D
16
004E
16
0050
16
0051 , 0053
16 16
0052 , 0054
16 16
0055
16
0056
16
0057
16
0058
16
0059
16
005A
16
005B
16
005C
16
Bit name
b2 b1 b0
0 0 0 : Level 0 (interrupt disabled)
0 0 1 : Level 1
0 1 0 : Level 2
0 1 1 : Level 3
1 0 0 : Level 4
1 0 1 : Level 5
1 1 0 : Level 6
1 1 1 : Level 7
0 : Interrupt not requested
1 : Interrupt requested
Address After reset
005D XX00X000
16
Bit name
b2 b1 b0
0 0 0 : Level 0 (interrupt disabled)
0 0 1 : Level 1
0 1 0 : Level 2
0 1 1 : Level 3
1 0 0 : Level 4
1 0 1 : Level 5
1 1 0 : Level 6
1 1 1 : Level 7
0: Interrupt not requested
1: Interrupt requested
3, 4
0 : Selects falling edge
1 : Selects rising edge
Must always be set to "0"
10.1 Interrupt Overview
After reset
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
XXXXX000
2
Function
RW
RW
RW
RW
RW
2
Function
RW
RW
RW
RW
RW
RW
RW
1
1