43.5.3.1.4 Region Next Address Structure Member

Name: RNEXTn
Offset: 0x0C + n*0x10 [n=0..3]
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
 NEXT[29:22] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 2322212019181716 
 NEXT[21:14] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 15141312111098 
 NEXT[13:6] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 NEXT[5:0]   
Access R/WR/WR/WR/WR/WR/W 
Reset 000000 

Bits 31:2 – NEXT[29:0]

When set to 0, this field indicates that the current descriptor is the last descriptor of the Secondary List, otherwise it points at a new descriptor of the Secondary List.