11.3.10 Change Notification Control Register

Note: See pinout diagrams for I/O availability for a given device.
Name: CNCONx
Offset: 0x3650, 0x3674, 0x3698, 0x36BC, 0x36E0, 0x3704, 0x3728, 0x374C

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
 ON   CNSTYLEPORT32   
Access R/WR/WR/W 
Reset 000 
Bit 76543210 
          
Access  
Reset  

Bit 15 – ON Change Notification (CN) Control for PORTx On bit

ValueDescription
1

CN is enabled.
0

CN is disabled.

Bit 11 – CNSTYLE Change Notification Style Selection bit

ValueDescription
1

Edge style (detects edge transitions, CNFx[15:0] bits are used for a Change Notification event).
0

Mismatch style (detects change from last port read, CNSTATx[15:0] bits are used for a Change Notification event).

Bit 10 – PORT32 Selects between 16-bit and 32-bit control of Port SFRs bit

ValueDescription
1

32-bit Access selected.
0

16-bit Access selected.