mc68hc908gr8vp Freescale Semiconductor, Inc, mc68hc908gr8vp Datasheet - Page 54

• Manufacturer Part Number: mc68hc908gr8vp
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Resets and Interrupts
4.3.3.1 Interrupt Status Register 1
IF6–IF1 — Interrupt Flags 6–1
Bit 1 and Bit 0 — Always read 0
4.3.3.2 Interrupt Status Register 2
IF14–IF8 — Interrupt Flags 14–7
Bit 0 — Always reads 0
4.3.3.3 Interrupt Status Register 3
IF16–IF15 — Interrupt Flags 16–15
Bits 7–2 — Always read 0
54
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
This flag indicates 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:
R = Reserved
R = Reserved
R = Reserved
$FE04
$FE05
$FE06
Bit 7
Bit 7
IF14
Bit 7
IF6
R
R
R
0
0
0
0
Figure 4-6. Interrupt Status Register 1 (INT1)
Figure 4-7. Interrupt Status Register 2 (INT2)
Figure 4-8. Interrupt Status Register 3 (INT3)
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
IF13
IF5
R
R
R
6
0
6
0
6
0
0
IF12
IF4
R
R
R
5
0
5
0
5
0
0
IF11
IF3
R
R
R
4
0
4
0
4
0
0
IF10
IF2
R
R
R
3
0
3
0
3
0
0
IF1
IF9
R
R
R
2
0
2
0
2
0
0
IF16
IF8
R
R
R
1
0
0
1
0
1
0
Freescale Semiconductor
Table
Table
Table
Bit 0
Bit 0
Bit 0
IF15
R
R
R
0
0
0
0
0
4-2.
4-2.
4-2.