参数资料
型号: MC68HC08QT2VDW
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
封装: EIAJ, SOIC-8
文件页数: 17/178页
文件大小: 2311K
代理商: MC68HC08QT2VDW
Exception Control
MC68HC08QY/QT Family Data Sheet, Rev. 1
Freescale Semiconductor
113
13.6.2.1 Interrupt Status Register 1
IF1 and IF3–IF6 — Interrupt Flags
These flags indicate the presence of interrupt requests from the sources shown in Table 13-3.
1 = Interrupt request present
0 = No interrupt request present
Bit 0, 1, and 3— Always read 0
13.6.2.2 Interrupt Status Register 2
IF7–IF14 — Interrupt Flags
This flag indicates the presence of interrupt requests from the sources shown in Table 13-3.
1 = Interrupt request present
0 = No interrupt request present
13.6.2.3 Interrupt Status Register 3
IF15–IF22 — Interrupt Flags
These flags indicate the presence of interrupt requests from the sources shown in Table 13-3.
1 = Interrupt request present
0 = No interrupt request present
Bit 7
654321
Bit 0
Read:
IF6
IF5
IF4
IF3
0
IF1
0
Write:
RRRRRRRR
Reset:
00000000
R= Reserved
Figure 13-11. Interrupt Status Register 1 (INT1)
Bit 7
654321
Bit 0
Read:
IF14
IF13
IF12
IF11
IF10
IF9
IF8
IF7
Write:
RRRRRRRR
Reset:
00000000
R= Reserved
Figure 13-12. Interrupt Status Register 2 (INT2)
Bit 7
654321
Bit 0
Read:
IF22
IF21
IF20
IF19
IF18
IF17
IF16
IF15
Write:
RRRRRRRR
Reset:
00000000
R= Reserved
Figure 13-13. Interrupt Status Register 3 (INT3)
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