em6522 EM Microelectronic, em6522 Datasheet - Page 55

• Manufacturer Part Number: em6522
• Description: Mfp Version Of Em6622 Ultra Low Power Microcontroller With 4x32 Lcd Driver
• Manufacturer: EM Microelectronic

16 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, reset from pin RESET, etc. do not change
the options register value
Copyright © 2005, EM Microelectronic-Marin SA
OPTNchOpDPB
OPTNchOpDPS
OPTDebIntPA
OPTNoPullPA
OPTIntEdgPA
OPTInpRSel1
OPTInpRSel2
OPTNoPdPB
OPTNoPdPS
OPTFSelPB
RegTestEM
OPT[15:12]
OPT[19:16]
OPT[23:20]
OPT[31:28]
OPT[35:32]
OPT[11:8]
OPT[3:0]
OPT[7:4]
Register
Name
R
Add
Hex
7C
7D
7A
7B
7E
7F
75
76
77
78
79
.
Dec.
Add
117
118
119
120
121
122
123
124
125
126
127
b'3210
Reset
Value
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
----
Read Bits
----
0: NoDebIntPA[0]
1: NoDebIntPA[1]
2: NoDebIntPA[2]
3: NoDebIntPA[3]
Read / Write Bits
0: NchOpDPB[0]
1: NchOpDPB[1]
2: NchOpDPB[2]
3: NchOpDPB[3]
0: NchOpDPS[0]
1: NchOpDPS[1]
2: NchOpDPS[2]
3: NchOpDPS[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]
2: PB32kHzOut
3: InpResSleep
0: IntEdgPA[0]
1: IntEdgPA[1]
2: IntEdgPA[2]
3: IntEdgPA[3]
0: NoPullPA[0]
1: NoPullPA[1]
2: NoPullPA[2]
3: NoPullPA[3]
1: PB1kHzOut
0: NoPdPB[0]
1: NoPdPB[1]
2: NoPdPB[2]
3: NoPdPB[3]
0: NoPdPS[0]
1: NoPdPS[1]
2: NoPdPS[2]
3: NoPdPS[3]
0: PB1HzOut
55
Write Bits
----
No Pull-down on port SP
Interrupt edge select on
port B, reset from sleep
Pull-down selection on
Pull-down selection on
Default: debouncer on
Default: CMOS output
Default: CMOS output
Reset through port A
Reset through port A
Debouncer on port A
Frequency output on
output on port serial
Default: pos. edge
Default: pull-down
Default: pull-down
Refer to reset part
Refer to reset part
Default: pull-down
mode with port A
for interrupt gen.
for EM test only;
Nch. open drain
output on port B
Nch. open drain
inputs selection.
inputs selection.
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Remarks
port A.
port A
port B
EM6522