Cypress EZ-USB FX3 - ADAPTER_STATUS

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 629
ADAPTER_STATUS
0xFC
10.26.2 ADAPTER_STATUS
Adapter Global Status Register
23:22 WORD_SIZE[1:0] Internal word size of the prefetch queue (FQ); not the same as bus width of AHB bus or thread inter-
face to the IP.
0 32b
1 64b
2 128b
3 256b
21:16 FQ_SIZE[5:0] Number of words in a socket fetch queue (FQ). The total buffer space in the adapter is EG_SOCK-
ETS*FQ_SIZE words of size WORD_SIZE.
15:8 IG_ONLY[7:0] First socket number that is ingress only.
0..IG_ONLY-1: Sockets capable of both in and egress
IG_ONLY..TTL_SOCKETS-1: Ingress sockets only
7:0 TTL_SOCKETS[7:0] Total number of sockets in this adapter. This number is different for each instance of the adapter and
varies with the core IP needs.
ADAPTER_STATUS Adapter Global Status Fields 0xFC
b31 b30 b29 b28 b27 b26 b25 b24
ADAPTER_STATUS Adapter Global Status Fields
b23 b22 b21 b20 b19 b18 b17 b16
WORD_SIZE[1:0] FQ_SIZE[5:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
HHHHHHHH
ADAPTER_STATUS Adapter Global Status Fields
b15 b14 b13 b12 b11 b10 b9 b8
IG_ONLY[7:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
HHHHHHHH
ADAPTER_STATUS Adapter Global Status Fields
b7 b6 b5 b4 b3 b2 b1 b0
TTL_SOCKETS[7:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
HHHHHHHH
Bit Name Description