Wishbone
Characteristics
Supports classic Wishbone mode
Supports optional transaction TAG (separate and optional independant data, address, cycle-control tagging at different widths)
Supports optional SEL (selection bus-line)
Supports optional STALL (stall)
Supports optional LOCK (lock)
Supports optional ERR (error)
Supports optional RTY (retry)
Supports optional CTI (cycle type identifier)
Supports optional BTE (burst type extension), needed to support BURST modes.
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Configuration and instantiation
Parameter name |
Type |
Default |
Description |
|---|---|---|---|
addressWidth |
Int |
Width in bits of ADDR (byte granularity) |
|
dataWidth |
Int |
Width in bits of DATA (multiple of 8 bits) |
|
selWidth |
Int |
0 |
|
useSTALL |
Boolean |
false |
|
useLOCK |
Boolean |
false |
|
useERR |
Boolean |
false |
|
useRTY |
Boolean |
false |
|
useCTI |
Boolean |
false |
|
tgaWidth |
Int |
0 |
Tag Address width (0 to disable) |
tgcWidth |
Int |
0 |
Tag Cycle width (0 to disable) |
tgdWidth |
Int |
0 |
Tag Address width (0 to disable) |
useBTE |
Boolean |
false |
Byte Type Extension support |