38.7.43 Host Pipe x Configuration Register
For High-speed Bulk-out Pipe, see ”Host Pipe x Configuration Register (High-speed Bulk-out or High-speed Control Pipe)”.
| Name: | USBHS_HSTPIPCFGx |
| Offset: | 0x0500 + x*0x04 [x=0..8] |
| Reset: | 0 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| INTFRQ[7:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| PEPNUM[3:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| PTYPE[1:0] | AUTOSW | PTOKEN[1:0] | |||||||
| Access | R/W | R/W | R/W | R/W | R/W | ||||
| Reset | 0 | 0 | 0 | 0 | 0 | ||||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PSIZE[2:0] | PBK[1:0] | ALLOC | |||||||
| Access | - | - | - | R/W | R/W | R/W | |||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | |||
Bits 31:24 – INTFRQ[7:0] Pipe Interrupt Request Frequency
This field contains the maximum value in milliseconds of the polling period for an Interrupt Pipe.
This value has no effect for a non-Interrupt Pipe.
This field is cleared upon sending a USB reset.
Bits 19:16 – PEPNUM[3:0] Pipe Endpoint Number
This field contains the number of the endpoint targeted by the pipe. This value is from 0 to 9.
This field is cleared upon sending a USB reset.
Bits 13:12 – PTYPE[1:0] Pipe Type
This field contains the pipe type.
This field is cleared upon sending a USB reset.
| Value | Name | Description |
|---|---|---|
| 0 | CTRL | Control |
| 1 | ISO | Isochronous |
| 2 | BLK | Bulk |
| 3 | INTRPT | Interrupt |
Bit 10 – AUTOSW Automatic Switch
This bit is cleared upon sending a USB reset.
| Value | Description |
|---|---|
| 0 | The automatic bank switching is disabled. |
| 1 | The automatic bank switching is enabled. |
Bits 9:8 – PTOKEN[1:0] Pipe Token
This field contains the pipe token.
| Value | Name | Description |
|---|---|---|
| 0 | SETUP | SETUP |
| 1 | IN | IN |
| 2 | OUT | OUT |
| 3 | - | Reserved |
Bits 6:4 – PSIZE[2:0] Pipe Size
This field contains the size of each pipe bank.
This field is cleared upon sending a USB reset.
| Value | Name | Description |
|---|---|---|
| 0 | 8_BYTE | 8 bytes |
| 1 | 16_BYTE | 16 bytes |
| 2 | 32_BYTE | 32 bytes |
| 3 | 64_BYTE | 64 bytes |
| 4 | 128_BYTE | 128 bytes |
| 5 | 256_BYTE | 256 bytes |
| 6 | 512_BYTE | 512 bytes |
| 7 | 1024_BYTE | 1024 bytes |
Bits 3:2 – PBK[1:0] Pipe Banks
This field contains the number of banks for the pipe.
For control pipes, a single-bank pipe (0b00) should be selected.
This field is cleared upon sending a USB reset.
| Value | Name | Description |
|---|---|---|
| 0 | 1_BANK | Single-bank pipe |
| 1 | 2_BANK | Double-bank pipe |
| 2 | 3_BANK | Triple-bank pipe |
| 3 | - | Reserved |
Bit 1 – ALLOC Pipe Memory Allocate
This bit is cleared when a USB Reset is requested.
Refer to ”DPRAM Management” for more details.
| Value | Description |
|---|---|
| 0 | Frees the pipe memory. |
| 1 | Allocates the pipe memory. |