Datasheet

System Integration Module (SIM)
Exception Control
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
MOTOROLA System Integration Module (SIM) 91
NON-DISCLOSURE AGREEMENT REQUIRED
7.7.2.1 Interrupt Status Register 1
IF1 and IF3–IF5 — Interrupt Flags
These flags indicate the presence of interrupt requests from the
sources shown in Table 7-3.
1 = Interrupt request present
0 = No interrupt request present
Bit 0, 1, 3, and 7 — Always read 0
7.7.2.2 Interrupt Status Register 2
I
F14 — Interrupt Flags
This flag indicates the presence of interrupt requests from the sources
shown in Table 7-3.
1 = Interrupt request present
0 = No interrupt request present
Bit 0–6 — Always read 0
Address: $FE04
Bit 7654321Bit 0
Read: 0 IF5 IF4 IF3 0 IF1 0 0
Write:RRRRRRRR
Reset:00000000
R= Reserved
Figure 7-12. Interrupt Status Register 1 (INT1)
Address: $FE05
Bit 7654321Bit 0
Read: IF14 0 000000
Write:RRRRRRRR
Reset:00000000
R= Reserved
Figure 7-13. Interrupt Status Register 2 (INT2)