MC68HC08LT8 Datasheet, PDF (45/156 Pages) Freescale Semiconductor, Inc – Microcontrollers

Exception Control
4.5.2.1 Interrupt Status Register 1
Address: $FE04
Bit 7
6
5
4
3
2
1
Bit 0
Read: IF6
IF5
IF4
IF3
IF2
IF1
0
0
Write: R
R
R
R
R
R
R
R
Reset: 0
0
0
0
0
0
0
0
R = Reserved
Figure 4-12. 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 2-1.
1 = Interrupt request present
0 = No interrupt request present
Bit 0 and Bit 1 — Always read 0
4.5.2.2 Interrupt Status Register 2
Address: $FE05
Bit 7
6
5
4
3
2
1
Bit 0
Read: 0
0
0
0
IF10
IF9
IF8
IF7
Write: R
R
R
R
R
R
R
R
Reset: 0
0
0
0
0
0
0
0
R = Reserved
Figure 4-13. Interrupt Status Register 2 (INT2)
IF10–IF7 — Interrupt Flags 10–7
These flags indicate the presence of interrupt requests from the sources shown in Table 2-1.
1 = Interrupt request present
0 = No interrupt request present
4.5.2.3 Interrupt Status Register 3
Address: $FE06
Bit 7
6
5
4
3
2
1
Bit 0
Read: 0
0
0
0
0
0
IF16
0
Write: R
R
R
R
R
R
R
R
Reset: 0
0
0
0
0
0
0
0
R = Reserved
Figure 4-14. Interrupt Status Register 3 (INT3)
IF16 — Interrupt Flag 16
This flag indicates the presence of an interrupt request from the source shown in Table 2-1.
1 = Interrupt request present
0 = No interrupt request present
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
45