38.13.1 Host Pipe n Configuration
| Name: | PCFGn |
| Offset: | 0x0100 + n*0x20 [n=0..7] |
| Reset: | 0x00 |
| Property: | PAC Write-Protection |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PTYPE[2:0] | BK | PTOKEN[1:0] | |||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | |||
Bits 5:3 – PTYPE[2:0] Type of the Pipe
These bits contains the pipe type.
| PTYPE[2:0] | Description |
|---|---|
| 0x0 | Pipe is disabled |
| 0x1 | Pipe is enabled and configured as CONTROL |
| 0x2 | Pipe is enabled and configured as ISO |
| 0x3 | Pipe is enabled and configured as BULK |
| 0x4 | Pipe is enabled and configured as INTERRUPT |
| 0x5 | Pipe is enabled and configured as EXTENDED |
| 0x06-0x7 | Reserved |
These bits are cleared upon sending a USB reset.
Bit 2 – BK Pipe Bank
This bit selects the number of banks for the pipe.
For control endpoints writing a zero to this bit is required as only Bank0 is used for Setup/In/Out transactions.
This bit is cleared when a USB reset is sent.
| BK (1) | Description |
|---|---|
| 0x0 | Single-bank endpoint |
| 0x1 | Dual-bank endpoint |
- Bank field is ignored when PTYPE is configured as EXTENDED.
| Value | Description |
|---|---|
| 0 | A single bank is used for the pipe. |
| 1 | A dual bank is used for the pipe. |
Bits 1:0 – PTOKEN[1:0] Pipe Token
These bits contains the pipe token.
| PTOKEN[1:0](1) | Description |
|---|---|
| 0x0 | SETUP(2) |
| 0x1 | IN |
| 0x2 | OUT |
| 0x3 | Reserved |
- PTOKEN field is ignored when PTYPE is configured as EXTENDED.
- Available only when PTYPE is configured as CONTROL
Theses bits are cleared upon sending a USB reset.