62.68 GMAC Multiple Collision Frames Register

Name: GMAC_MCF
Offset: 0x13C
Reset: 0x00000000
Property: Read-only

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
       MCOL[17:16] 
Access RR 
Reset 00 
Bit 15141312111098 
 MCOL[15:8] 
Access RRRRRRRR 
Reset 00000000 
Bit 76543210 
 MCOL[7:0] 
Access RRRRRRRR 
Reset 00000000 

Bits 17:0 – MCOL[17:0] Multiple Collision

This register counts the number of frames experiencing between two and fifteen collisions prior to being successfully transmitted, i.e., no underrun and not too many retries.