| Signal Name | Width (Bits) | I/O Direction | Description |
|---|---|---|---|
| csr_address | 16 | Input | Configuration register address. |
| csr_write | 1 | Input | Configuration register write enable. |
| csr_writedata | 32 | Input | Configuration register write data. |
| csr_read | 1 | Input | Configuration register read enable. |
| csr_readdata | 32 | Output | Configuration register read data. |
| csr_writerequest | 1 | Output | Configuration register write request. |
| csr_readdatavalid | 1 | Output | Configuration register read data valid. |