M30620FCAFP datasheet(484/615 Pages) RENESAS

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Multiple Interrupts

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-167

Figure 2.14.2. Interrupt control registers

Symbol

Address

When reset

INTiIC(i=3)

004416

XX00X0002

SiIC/INTjIC (i=4, 3)

004816, 004916

XX00X0002

(j=5, 4)

004816, 004916

XX00X0002

INTiIC(i=0 to 2)

005D16 to 005F16

XX00X0002

Bit name

Function

Bit symbol

ILVL0

POL

Nothing is assigned.

In an attempt to write to these bits, write “0”. The value, if read, turns

out to be indeterminate.

Interrupt priority level

select bit

Interrupt request bit

Polarity select bit

Reserved bit

0: Interrupt not requested

1: Interrupt requested

0 : Selects falling edge

1 : Selects rising edge

Must always be set to “0”

ILVL1

ILVL2

Note 1: This bit can only be accessed for reset (= 0), but cannot be accessed for set (= 1).

Note 2: To rewrite the interrupt control register, do so at a point that does not generate the

interrupt request for that register. For details, see the precautions for interrupts.

(Note 1)

Interrupt control register (Note 2)

Bit name

Function

Bit symbol

Symbol

Address

When reset

TBiIC(i=3 to 5)

004516 to 004716

XXXXX0002

BCNIC

004A16

XXXXX0002

DMiIC(i=0, 1)

004B16, 004C16

XXXXX0002

KUPIC

004D16

XXXXX0002

ADIC

004E16

XXXXX0002

SiTIC(i=0 to 2)

005116, 005316, 004F16

XXXXX0002

SiRIC(i=0 to 2)

005216, 005416, 005016

XXXXX0002

TAiIC(i=0 to 4)

005516 to 005916

XXXXX0002

TBiIC(i=0 to 2)

005A16 to 005C16

XXXXX0002

ILVL0

Interrupt priority level

select bit

Interrupt request bit

0 : Interrupt not requested

1 : Interrupt requested

ILVL1

ILVL2

Nothing is assigned.

In an attempt to write to these bits, write “0”. The value, if read, turns

out to be indeterminate.

(Note 1)

Note 1: This bit can only be accessed for reset (= 0), but cannot be accessed for set (= 1).

Note 2: To rewrite the interrupt control register, do so at a point that does not generate the

interrupt request for that register. For details, see the precautions for interrupts.

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

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

b2 b1 b0

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