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: 10/62页
文件大小: 620K
代理商: EM6640SO18B
EM6640
03/02 REV. C/446
Copyright
2002, EM Microelectronic-Marin SA
18
www.emmicroelectronic.com
Table 6.3.2 register RegIRQMask1
Bit
Name
Reset
R/W
Description
3
MaskIRQPA[3]
0
R/W
interrupt mask for PA[3] input
2
MaskIRQPA[2]
0
R/W
interrupt mask for PA[2] input
1
MaskIRQPA[1]
0
R/W
interrupt mask for PA[1] input
0
MaskIRQPA[0]
0
R/W
interrupt mask for PA[0] input
Default "0" is: interrupt request masked, no new request stored
Table 6.3.3 register RegIRQ1
Bit
Name
Reset
R/W
Description
3
IRQPA[3]
0
R/W*
interrupt request on PA[3]
2
IRQPA[2]
0
R/W*
interrupt request on PA[2]
1
IRQPA[1]
0
R/W*
interrupt request on PA[1]
0
IRQPA[0]
0
R/W*
interrupt request on PA[0]
W*; Write "1" clears the bit, write "0" has no action, Default "0" is: No Interrupt request
Table 6.3.4 register OPTIntEdgPA
Bit
Name
power on
value
R/W
Description
3
IntEdgPA[3]
0
R/W
interrupt edge select for PA[3]
2
IntEdgPA[2]
0
R/W
interrupt edge select for PA[2]
1
IntEdgPA[1]
0
R/W
interrupt edge select for PA[1]
0
IntEdgPA[0]
0
R/W
interrupt edge select for PA[0]
Default "0" is: Positive edge selection
Table 6.3.5 register OPTDebIntPA
Bit
Name
power on
value
R/W
Description
3
NoDebIntPA[3]
0
R/W
interrupt debounced for PA[3]
2
NoDebIntPA[2]
0
R/W
interrupt debounced for PA[2]
1
NoDebIntPA[1]
0
R/W
interrupt debounced for PA[1]
0
NoDebIntPA[0]
0
R/W
interrupt debounced for PA[0]
Default "0" is: Debounced inputs for interrupt generation
Table 6.3.6 register OPTNoPullPA
Bit
Name
power on
value
R/W
Description
3
NoPullPA[3]
0
R/W
pull-up/down selection on PA[3]
2
NoPullPA[2]
0
R/W
pull-up/down selection on PA[2]
1
NoPullPA[1]
0
R/W
pull-up/down selection on PA[1]
0
NoPullPA[0]
0
R/W
pull-up/down selection on PA[0]
Table 6.3.7 Register OPTPaRST
Bit
Name
power on
value
R/W
Description
3
OscAdj[5]
1
R/W
Adjustment of RC oscillator in EEPROM (MSB)
2
OscAdj[4]
0
R/W
Adjustment of RC oscillator in EEPROM
1
SelinpResMod
0
R/W
PortA input reset option
0
NoInputReset
0
R/W
input reset mode (Or or AND logic)
Default
″0″ is : bit[0] PortA can reset the EM6640, bit[1] input reset mode: AND logic
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