24.3.3 Hardware Capability Register
| Name: | I3CxHWCAP |
| Offset: | 0x7A9008 |
This register reflects the configured capabilities of the module.
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| HDRBN | VIRTGT | GRPADDR | IBICAP | HJCAP | DMACAP | HDRCLKPR[5] | |||
| Access | R/W | R | R | R | R | R | R | ||
| Reset | 0 | 1 | 1 | 1 | 1 | 1 | 0 |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| HDRCLKPR[4:0] | CLOCKPERIOD[5:3] | ||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| CLOCKPERIOD[2:0] | HDRTS | HDRDDR | DEVROLE[2:0] | ||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | |
Bit 23 – HDRBN
| Value | Description |
|---|---|
| 1 | HDR-BT is supported. |
| 0 | HDR-BT is not supported. |
Bit 21 – VIRTGT
| Value | Description |
|---|---|
| 1 | Virtual Target is supported. |
| 0 | Virtual Target is not supported. |
Bit 20 – GRPADDR
| Value | Description |
|---|---|
| 1 | Group Address is supported. |
| 0 | Group Address is not supported. |
Bit 19 – IBICAP
| Value | Description |
|---|---|
| 1 | IBI is capable. |
| 0 | IBI is not capable. |
Bit 18 – HJCAP
| Value | Description |
|---|---|
| 1 | Hot-Join is capable. |
| 0 | Hot-Join is not capable. |
Bit 17 – DMACAP
| Value | Description |
|---|---|
| 1 | DMA handshake interface is supported. |
| 0 | DMA handshake interface is not supported. |
Bits 16:11 – HDRCLKPR[5:0]
Bits 10:5 – CLOCKPERIOD[5:0]
Bit 4 – HDRTS
| Value | Description |
|---|---|
| 1 | HDR-TS is supported. |
| 0 | HDR-TS is not supported. |
Bit 3 – HDRDDR
| Value | Description |
|---|---|
| 1 | HDR-DDR is supported. |
| 0 | HDR-DDR is not supported. |
Bits 2:0 – DEVROLE[2:0]
| Value | Description |
|---|---|
| 100 | Target only |
| 011 | Secondary Controller |
| 001 | Controller only |