6.11.5 Open-Drain Configuration for PortA

This register configures each I/O pin individually for either normal digital output or open-drain output, associated with each I/O pin.
Name: ODCA
Offset: 0x40
Reset: 0x0
Property: -

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
  ODCAxODCAx  ODCAxODCAxODCAx 
Access R/WR/WR/WR/WR/W 
Reset 00000 
Bit 76543210 
 ODCAxODCAxODCAxODCAxODCAxODCAxODCAxODCAx 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bits 0,1,2,3,4,5,6,7,8,9,10,13,14 – ODCAx (x = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14; x = 0 for bit0 mapped to PA0, … x = 10 for bit 10, x = 13 for bit13, … x = 14 for bit 14 mapped to PA14) Open-Drain Configuration for PortA

Note: After a Reset, the status of all the bits of the ODCA register is set to ‘0’.
ValueDescription
1 Configures an I/O pin as an open-drain output.
0 Configures an I/O pin as an normal digital output.