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Table 50. Transmit CPPI DMA State Word 4 (TCPPIDMASTATEW4) Field Descriptions (continued)
Bit | Field | Value | Description |
CURR_BUFFER_LENGTH | Current Buffer Length | ||
|
|
| Indicates how many valid bytes remain in the current buffer that is being |
|
|
| transmitted from |
4.35 Transmit CPPI DMA State Word 5 (TCPPIDMASTATEW5)
The Transmit CPPI DMA State Word 5 (TCPPIDMASTATEW5) is shown in Figure 50 and described in Table 51.
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| Figure 50. Transmit CPPI DMA State Word 5 (TCPPIDMASTATEW5) | |
31 |
|
| 16 |
|
|
| REM_LENGTH |
|
|
| |
15 |
|
| 0 |
|
|
| LENGTH |
|
|
| |
LEGEND: R/W = Read/Write; | |||
| Table 51. Transmit CPPI DMA State Word 5 (TCPPIDMASTATEW5) Field Descriptions | ||
Bit | Field | Value | Description |
REM_LENGTH | Remaining Packet Length | ||
|
|
| Indicates how many bytes remain to be transmitted in the packet before truncation occurs |
LENGTH | Packet Length | ||
|
|
| Indicates how many bytes are contained in the packet. This value is copied from the |
|
|
| |
|
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| for the packet. |
4.36 Transmit CPPI Completion Pointer (TCPPICOMPPTR)
The Transmit CPPI Completion Pointer (TCPPICOMPPTR) is shown in Figure 51 and described in Table 52.
Figure 51. Transmit CPPI Completion Pointer (TCPPICOMPPTR)
31 |
|
| 16 |
| DESC_ADDR |
|
|
|
|
| |
15 | 2 | 1 | 0 |
DESC_ADDR |
| Reserved | WRBK_MODE |
|
LEGEND: R/W = Read/Write; R = Read only;
104 | Universal Serial Bus (USB) Controller | |
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