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EM6517 Datasheet(PDF) 40 Page - EM Microelectronic - MARIN SA

Part # EM6517
Description  MFP version of EM6617 Ultra Low Power Microcontroller with ADC and EEPROM
PDF  64 Pages
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Manufacturer  EMMICRO [EM Microelectronic - MARIN SA]
Direct Link  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6517 Datasheet(HTML) 40 Page - EM Microelectronic - MARIN SA

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EM6517
03/02 REV. C/448
Copyright
 2002, EM Microelectronic-Marin SA
40
www.emmicroelectronic.com
Any interrupt request sent by a periphery cell while the corresponding mask is not set will not be stored in the
interrupt request register. All interrupt requests are stored in their IRQxx registers depending only on their mask
setting and not on the general interrupt enable status.
Whenever the EM6517 goes into HALT Mode the IntEn bit is automatically set to 1, thus allowing to resume
from halt mode with an interrupt. This behavior is blocked if SWBAuto is set high. In this case the peripheral
interrupts are disabled until the SWBAuto bit is reset low. Please refer also to the SWB chapter 9.
13.1 Interrupt control registers
Table 13.1.1 register RegIRQ1
Bit
Name
Reset
R/W
Description
3
IRQPA[3]
0
R/W*
Port A PA[3] interrupt request
2
IRQPA[2]
0
R/W*
Port A PA[2] interrupt request
1
IRQPA[1]
0
R/W*
Port A PA[1] interrupt request
0
IRQPA[0]
0
R/W*
Port A PA[0] interrupt request
W*; Writing of 1 clears the corresponding bit.
Table 13.1.2 register RegIRQ2
Bit
Name
Reset
R/W
Description
3
IRQHz1
0
R/W*
Prescaler interrupt request
2
IRQHz32/8
0
R/W*
Prescaler interrupt request
1
IRQEEP
0
R/W*
EEPROM interrupt request
0
IRQADC
0
R/W*
ADC interrupt request
W*; Writing of 1 clears the corresponding bit.
Table 13.1.3 register RegIRQ3
Bit
Name
Reset
R/W
Description
3--
2
IRQVLD
0
R/W*
VLD 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 13.1.4 register RegIRQMask1
Bit
Name
Reset
R/W
Description
3
MaskIRQPA[3]
0
R/W
Port A PA[3] interrupt mask
2
MaskIRQPA[2]
0
R/W
Port A PA[2] interrupt mask
1
MaskIRQPA[1]
0
R/W
Port A PA[1] interrupt mask
0
MaskIRQPA[0]
0
R/W
Port A PA[0] interrupt mask
Interrupt is not stored if the mask bit is 0.
Table 13.1.5 register RegIRQMask2
Bit
Name
Reset
R/W
Description
3
MaskIRQHz1
0
R/W
Prescaler interrupt mask
2
MaskIRQHz32/8
0
R/W
Prescaler interrupt mask
1
MaskIRQEEP
0
R/W
EEPROM interrupt mask
0
MaskIRQADC
0
R/W
ADC interrupt mask
Interrupt is not stored if the mask bit is 0.
Table 13.1.6 register RegIRQMask3
Bit
Name
Reset
R/W
Description
3--
2
MaskIRQVLD
0
R/W
VLD 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
14 RAM
The EM6517 has two 64x4 bit RAM’s built-in.



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