M68ICS08GR datasheet(76/408 Pages) FREESCALE

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Resets and Interrupts

Technical Data

MC68HC908GR8 — Rev 4.0

Resets and Interrupts

MOTOROLA

4.4.3.1 Interrupt Status Register 1

IF6–IF1 — Interrupt Flags 6–1

These flags indicate the presence of interrupt requests from the

sources shown in Table 4-2.

1 = Interrupt request present

0 = No interrupt request present

Bit 1 and Bit 0 — Always read 0

4.4.3.2 Interrupt Status Register 2

IF14–IF7 — Interrupt Flags 14–7

These flags indicate the presence of interrupt requests from the

sources shown in Table 4-2.

1 = Interrupt request present

0 = No interrupt request present

Address:

$FE04

Bit 7

654321

Bit 0

Read:

IF6

IF5

IF4

IF3

IF2

IF1

Write:

RRRRRRRR

Reset:

00000000

R = Reserved

Figure 4-7. Interrupt Status Register 1 (INT1)

Address:

$FE05

Bit 7

654321

Bit 0

Read:

IF14

IF13

IF12

IF11

IF10

IF9

IF8

IF7

Write:

RRRRRRRR

Reset:

00000000

R = Reserved

Figure 4-8. Interrupt Status Register 2 (INT2)

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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