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EM6617 Datasheet(PDF) 46 Page - EM Microelectronic - MARIN SA

Part No. EM6617
Description  Ultra Low Power Microcontroller with ADC AND EEPROM
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6617 Datasheet(HTML) 46 Page - EM Microelectronic - MARIN SA

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EM6617
Copyright
© 2005, EM Microelectronic-Marin SA
46
www.emmicroelectronic.com
17. Option Register Memory Map
The values of the option registers are set by initial reset on power up and through write operations only.
Other resets as reset from watchdog, reset from input port A do not change the options register value.
Register
Name
Add
Hex
Add
Dec
Power
up
value
Read Bits
Write Bits
Remarks
b'3210
Read/Write Bits
OPTDebIntPA
OPT[3:0]
75
117
0000
0: NoDebIntPA[0]
1: NoDebIntPA[1]
2: NoDebIntPA[2]
3: NoDebIntPA[3]
Option register :
Debouncer on port A
for interrupt gen.
Default: debouncer on
OPTIntEdgPA
OPT[7:4]
76
118
0000
0: IntEdgPA[0]
1: IntEdgPA[1]
2: IntEdgPA[2]
3: IntEdgPA[3]
Option register :
Interrupt edge select on port A
Default: pos edge
OPTNoPullPA
OPT[11:8]
77
119
0000
0: NoPullPA[0]
1: NoPullPA[1]
2: NoPullPA[2]
3: NoPullPA[3]
Option register :
Pull-down selection on port A
Default: pull-down
OPTNoPdPB
OPT[15:12]
78
120
0000
0: NoPdPB[0]
1: NoPdPB[1]
2: NoPdPB[2]
3: NoPdPB[3]
Option register :
Pull-down selection on port B
Default: pull-down
OPTNchOpDPB
OPT[19:16]
79
121
0000
0: NchOpDPB[0]
1: NchOpDPB[1]
2: NchOpDPB[2]
3: NchOpDPB[3]
Option register :
Nch. open drain
output on port B
Default: CMOS output
OPTPCandStr
OPT[23:20]
7A
122
0000
0: StrobeOutSel0
1: StrobeOutSel1
2: NchOpDPC
3: NoPdPC
Strobe output selection
Nch. open drain output
Pull-down selection on port C
OPTSelPB
OPT[31:28]
7B
123
0000
0: InpResSleep
1: PB2kHzOut
2: PB32kHzOut
3: PB1kHzOut
Port A input reset option
Option register :
Frequency output on port B
OPTInpRSel1
7C
124
0000
0: InpRes1PA[0]
1: InpRes1PA[1]
2: InpRes1PA[2]
3: InpRes1PA[3]
Option register :
Reset through port A inputs
selection,
refer to reset part
OPTInpRSel2
7D
125
0000
0: InpRes2PA[0]
1: InpRes2PA[1]
2: InpRes2PA[2]
3: InpRes2PA[3]
Option register;
Reset through port A inputs
selection,
refer to reset part
RegTestEM
7F
127
----
----
Accu
For EM test only;
Write accu on port B
Test = 1


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