IDT 89HPES16T4G2, Preliminary User'S Manual

Page: 128 / 149

IDT Configuration Registers
PES16T4G2 User Manual 8 - 50 January 28, 2013
Notes
VCR0TBL0 - VC Resource 0 Arbitration Table Entry 0 (0x220)
VCR0TBL1 - VC Resource 0 Arbitration Table Entry 1 (0x224)
Bit
Field
Field
Name
Type Default
Value
Description
3:0 PHASE0 RW 0x2 Phase 0. This field contains the port ID for the corresponding port
arbitration period. Selecting an invalid port ID results in the entry
being skipped without delay.
The port arbitration behavior when this field contains an illegal
value (i.e., reserved or the egress port ID) is undefined.
0x0 - (port_0) Port 0 (upstream port)
0x1 - Reserved
0x2 - (port_2) Port 2
0x3 - Reserved
0x4 - (port_4) Port 4
0x5 - Reserved
0x6 - (port_6) Port 6
0x7 - Reserved
0x8 through 0xF - Reserved
7:4 PHASE1 RW 0x4 Phase 1. This field contains the port ID for the corresponding port
arbitration period.
11:8 PHASE2 RW 0x6 Phase 2. This field contains the port ID for the corresponding port
arbitration period.
15:12 PHASE3 RW 0x2 Phase 3. This field contains the port ID for the corresponding port
arbitration period.
19:16 PHASE4 RW 0x4 Phase 4. This field contains the port ID for the corresponding port
arbitration period.
23:20 PHASE5 RW 0x6 Phase 5. This field contains the port ID for the corresponding port
arbitration period.
27:24 PHASE6 RW 0x2 Phase 6. This field contains the port ID for the corresponding port
arbitration period.
31:28 PHASE7 RW 0x4 Phase 7. This field contains the port ID for the corresponding port
arbitration period.
Bit
Field
Field
Name
Type Default
Value
Description
3:0 PHASE8 RW 0x6 Phase 8. This field contains the port ID for the corresponding port
arbitration period.
7:4 PHASE9 RW 0x2 Phase 9. This field contains the port ID for the corresponding port
arbitration period.
11:8 PHASE10 RW 0x4 Phase 10. This field contains the port ID for the corresponding port
arbitration period.
15:12 PHASE11 RW 0x6 Phase 11. This field contains the port ID for the corresponding port
arbitration period.
19:16 PHASE12 RW 0x2 Phase 12. This field contains the port ID for the corresponding port
arbitration period.