em6521 EM Microelectronic, em6521 Datasheet - Page 27

• Manufacturer Part Number: em6521
• Description: Mfp Version Of Em6621 Ultra Low Power Microcontroller With 4x20 Lcd Driver
• Manufacturer: EM Microelectronic

Table 6.7.6 Register RegSPData
R* : The input terminal value is read, not the register
Table 6.7.7 Option Register OPTNoPdPS
Table 6.7.8 Option Register OPTNchOpDPS
Copyright © 2005, EM Microelectronic-Marin SA
Bit
Bit
Bit
3
2
1
0
3
2
1
0
3
2
1
0
Default "0" is: Pull-down on
Default "0" is: CMOS output
R
NchOpDPS[3]
NchOpDPS[2]
NchOpDPS[1]
NchOpDPS[0]
SerPData[3]
SerPData[2]
SerPData[1]
SerPData[0]
NoPdPS[3]
NoPdPS[2]
NoPdPS[1]
NoPdPS[0]
Name
Name
Name
Reset
0
0
0
0
0
0
0
0
0
0
0
0
R* /W
R* /W
R* /W
R* /W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
27
Nch. Open Drain on PSP[3]
Nch. Open Drain on PSP[2]
Nch. Open Drain on PSP[1]
Nch. Open Drain on PSP[0]
No pull-down on PSP[3]
No pull-down on PSP[2]
No pull-down on PSP[1]
No pull-down on PSP[0]
Parallel output data
Parallel output data
Parallel output data
Parallel output data
Description
Description
Description
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EM6521