diff options
Diffstat (limited to 'design/miscellaneous_slave.v')
| -rw-r--r-- | design/miscellaneous_slave.v | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/design/miscellaneous_slave.v b/design/miscellaneous_slave.v index 7274db7..0be33f2 100644 --- a/design/miscellaneous_slave.v +++ b/design/miscellaneous_slave.v @@ -1,5 +1,36 @@ /* - * This wb slave controls buttons, LEDs (only one LED, actually) and timer. + * This wb slave controls a button, a LED and timer. + * + * | *WISHBONE DATASHEET* | + * |---------------------------------------------------------------------------| + * | *Description* | *Specification* | + * |---------------------------------+-----------------------------------------| + * | General description | miscellaneous peripherals core | + * |---------------------------------+-----------------------------------------| + * | Supported cycles | SLAVE, pipelined READ/WRITE | + * |---------------------------------+-----------------------------------------| + * | Data port, size | 16-bit | + * | Data port, granularity | 16-bit | + * | Data port, maximum operand size | 16-bit | + * | Data transfer ordering | Big endian and/or little endian | + * | Data transfer ordering | Undefined | + * | Address port, size | 3 | + * |---------------------------------+-----------------------------------------| + * | Clock frequency constraints | NONE | + * |---------------------------------+-----------------------------------------| + * | | *Signal name* | *WISHBONE Equiv.* | + * | |------------------+----------------------| + * | | ACK_O | ACK_O | + * | | ADR_I | ADR_I() | + * | Supported signal list and cross | CLK_I | CLK_I | + * | reference to equivalent | DAT_I | DAT_I() | + * | WISHBONE signals | DAT_O | DAT_O() | + * | | STB_I | STB_I | + * | | WE_I | WE_I | + * | | RST_I | RST_I | + * | | STALL_O | STALL_O | + * |---------------------------------+-----------------------------------------| + * | Special requirements | NONE | * * Registers and their addresses: * button2 clicks - address 1 @@ -28,6 +59,7 @@ * very short or very long times, it might be justifiable to only read one half * of the timer. */ + `default_nettype none module miscellaneous_slave |