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参数资料
| 型号： | EM6640SO18B |
| 英文描述： | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 10-DFN |
| 中文描述： | 微控制器 |
| 文件页数： | 33/62页 |
| 文件大小： | 620K |
| 代理商： | EM6640SO18B |
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EM6640
03/02 REV. C/446
Copyright
2002, EM Microelectronic-Marin SA
39
www.emmicroelectronic.com
10.1 Interrupt control registers
Table 10.1.1 register RegIRQ1
Bit
Name
Reset
R/W
Description
3
IRQPA[3]
0
R/W*
PortA PA[3] interrupt request
2
IRQPA[2]
0
R/W*
PortA PA[2] interrupt request
1
IRQPA[1]
0
R/W*
PortA PA[1] interrupt request
0
IRQPA[0]
0
R/W*
PortA PA[0] interrupt request
W* ; Writing of 1 clears the corresponding bit.
Table 10.1.2 register RegIRQ2
Bit
Name
Reset
R/W
Description
3
IRQ1Hz
0
R/W*
Prescaler interrupt request
2
IRQ586Hz
0
R/W*
Prescaler interrupt request
1
IRQ9k4Hz
0
R/W*
Prescaler interrupt request
0
IRQEE
0
R/W*
EEPROM interrupt request
W* ; Writing of 1 clears the corresponding bit.
Table 10.1.3 register RegIRQ3
Bit
Name
Reset
R/W
Description
3
---
2
IRQVLD
0
R/W*
SVLD interrupt request
1
IRQCount0
0
R/W*
Counter interrupt request
0
IRQCntComp
0
R/W*
Counter interrupt request
W* ; Writing of 1 clears the corresponding bit.
Table 10.1.4 register RegIRQMask1
Bit
Name
Reset
R/W
Description
3
MaskIRQPA[3]
0
R/W
PortA PA[3] interrupt mask
2
MaskIRQPA[2]
0
R/W
PortA PA[2] interrupt mask
1
MaskIRQPA[1]
0
R/W
PortA PA[1] interrupt mask
0
MaskIRQPA[0]
0
R/W
PortA PA[0] interrupt mask
Interrupt is not stored if the mask bit is 0.
Table 10.1.5 register RegIRQMask2
Bit
Name
Reset
R/W
Description
3
IRQ1Hz
0
R/W
Prescaler interrupt mask
2
IRQ586Hz
0
R/W
Prescaler interrupt mask
1
IRQ9k4Hz
0
R/W
Prescaler interrupt mask
0
IRQEE
0
R/W
EEPROM interrupt request
Interrupt is not stored if the mask bit is 0.
Table 10.1.6 register RegIRQMask3
Bit
Name
Reset
R/W
Description
3
---
2
MaskIRQVLD
0
R/W
SVLD interrupt mask
1
MaskIRQCount0
0
R/W
Counter interrupt mask
0
MaskIRQCntComp
0
R/W
Counter interrupt mask
Interrupt is not stored if the mask bit is 0
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