mc68hc908ap8a Freescale Semiconductor, Inc, mc68hc908ap8a Datasheet - Page 107

• Manufacturer Part Number: mc68hc908ap8a
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

7.5.2.1 Interrupt Status Register 1
IF6–IF1 — Interrupt Flags 6–1
Bit 0 and Bit 1 — Always read 0
7.5.2.2 Interrupt Status Register 2
IF14–IF7 — Interrupt Flags 14–7
7.5.2.3 Interrupt Status Register 3
IF21–IF15 — Interrupt Flags 21–15
Freescale Semiconductor
These flags indicate the presence of interrupt requests from the sources shown in
These flags indicate the presence of interrupt requests from the sources shown in
These flags indicate the presence of an interrupt request from the source shown in
1 = Interrupt request present
0 = No interrupt request present
1 = Interrupt request present
0 = No interrupt request present
1 = Interrupt request present
0 = No interrupt request present
Address:
Address:
Address:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Write:
Write:
Write:
$FE04
$FE05
$FE06
Bit 7
Bit 7
IF14
Bit 7
IF6
R
R
R
R
R
R
0
0
0
0
Figure 7-12. Interrupt Status Register 1 (INT1)
Figure 7-13. Interrupt Status Register 2 (INT2)
Figure 7-14. Interrupt Status Register 3 (INT3)
= Reserved
= Reserved
= Reserved
IF13
IF21
MC68HC908AP A-Family Data Sheet, Rev. 3
IF5
R
R
R
6
0
6
0
6
0
IF12
IF20
IF4
R
R
R
5
0
5
0
5
0
IF11
IF19
IF3
R
R
R
4
0
4
0
4
0
IF10
IF18
IF2
R
R
R
3
0
3
0
3
0
IF17
IF1
IF9
R
R
R
2
0
2
0
2
0
IF16
IF8
R
R
R
1
0
0
1
0
1
0
Table
Table
Bit 0
Bit 0
Bit 0
IF15
Table
IF7
R
R
R
0
0
0
0
Exception Control
7-3.
7-3.
7-3.
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