EM6517 ETC, EM6517 Datasheet - Page 46

• Manufacturer Part Number: EM6517
• Description: 4 BIT MICROCONTROLLER
• Manufacturer: ETC

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.
© EM Microelectronic-Marin SA, 09/99, Rev. A/277
46
OPTNchOpDPB
OPTPCandStr
OPTDebIntPA
OPTIntEdgPA
OPTNoPullPA
OPTInpRSel1
OPTInpRSel2
OPTNoPdPB
RegTestEM
OPT[15:12]
OPT[19:16]
OPT[23:20]
OPT[31:28]
OPTSelPB
OPT[11:8]
OPT[3:0]
OPT[7:4]
Register
Name
Add
Hex
7A
7B
7C
7D
75
76
77
78
79
7F
Add
Dec
117
118
119
120
121
122
123
124
125
127
FOR ENGINEERING ONLY
b’3210
Power
value
0000
0000
0000
0000
0000
0000
0000
0000
0000
----
up
Read Bits
----
0: NoDebIntPA[0]
1: NoDebIntPA[1]
2: NoDebIntPA[2]
3: NoDebIntPA[3]
0: StrobeOutSel0
1: StrobeOutSel1
0: NchOpDPB[0]
1: NchOpDPB[1]
2: NchOpDPB[2]
3: NchOpDPB[3]
0: InpRes1PA[0]
1: InpRes1PA[1]
2: InpRes1PA[2]
3: InpRes1PA[3]
0: InpRes2PA[0]
1: InpRes2PA[1]
2: InpRes2PA[2]
3: InpRes2PA[3]
Read/Write Bits
0: InpResSleep
2: PB32kHzOut
0: IntEdgPA[0]
1: IntEdgPA[1]
2: IntEdgPA[2]
3: IntEdgPA[3]
0: NoPullPA[0]
1: NoPullPA[1]
2: NoPullPA[2]
3: NoPullPA[3]
2: NchOpDPC
1: PB2kHzOut
3: PB1kHzOut
0: NoPdPB[0]
1: NoPdPB[1]
2: NoPdPB[2]
3: NoPdPB[3]
3: NoPdPC
Write Bits
Accu
Interrupt edge select on port A
Pull-down selection on port C
Pull-down selection on port A
Pull-down selection on port B
Reset through port A inputs
Reset through port A inputs
Frequency output on port B
Port A input reset option
Strobe output selection
Nch. open drain output
Default: debouncer on
Default: CMOS output
Debouncer on port A
Write accu on port B
Default: pull-down
Default: pull-down
Default: pos edge
refer to reset part
refer to reset part
For EM test only;
for interrupt gen.
Option register :
Option register :
Option register :
Option register :
Option register :
output on port B
Option register :
Option register :
Nch. open drain
Option register;
selection,
selection,
Remarks
Test = 1
EM6517