MC68HC08GZ32 Datasheet, PDF (211/320 Pages) Freescale Semiconductor, Inc – Microcontrollers

Exception Control
Interrupt Status Register 1
Address: $FE04
Bit 7
6
5
4
3
2
Read: IF6
IF5
IF4
IF3
IF2
IF1
Write: R
R
R
R
R
R
1
Bit 0
0
0
R
R
Reset: 0
0
0
0
0
0
0
0
R
= Reserved
Figure 15-13. Interrupt Status Register 1 (INT1)
IF6–IF1 — Interrupt Flags 1–6
These flags indicate the presence of interrupt requests from the sources shown in Table 15-3.
1 = Interrupt request present
0 = No interrupt request present
Bit 0 and Bit 1 — Always read 0
Interrupt Status Register 2
Address: $FE05
Bit 7
6
5
4
3
2
Read: IF14
IF13
IF12
IF11
IF10
IF9
Write: R
R
R
R
R
R
1
Bit 0
IF8
IF7
R
R
Reset: 0
0
0
0
0
0
0
0
R
= Reserved
Figure 15-14. Interrupt Status Register 2 (INT2)
IF14–IF7 — Interrupt Flags 14–7
These flags indicate the presence of interrupt requests from the sources shown in Table 15-3.
1 = Interrupt request present
0 = No interrupt request present
Interrupt Status Register 3
Address: $FE06
Bit 7
6
5
4
3
2
1
Bit 0
Read: IF22
IF21
IF20
IF19
IF18
IF17
IF16
IF15
Write: R
R
R
R
R
R
R
R
Reset: 0
0
0
0
0
0
0
0
R
= Reserved
Figure 15-15. Interrupt Status Register 3 (INT3)
IF22–IF15 — Interrupt Flags 22–15
These flags indicate the presence of an interrupt request from the source shown in Table 15-3.
1 = Interrupt request present
0 = No interrupt request present
MC68HC08GZ32 Data Sheet, Rev. 3
Freescale Semiconductor
211