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4.43 Receive CPPI DMA State Word 6 (RCPPIDMASTATEW6)
The Receive CPPI DMA State Word 6 (RCPPIDMASTATEW6) is shown in Figure 58 and described in Table 59.
| Figure 58. Receive CPPI DMA State Word 6 (RCPPIDMASTATEW6) | ||
31 |
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| 16 |
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| SOP_BUFFER_BYTECNT |
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15 |
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| 0 |
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| CURR_BUFFER_BYTECNT |
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LEGEND: R/W = Read/Write; |
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| Table 59. Receive CPPI DMA State Word 6 (RCPPIDMASTATEW6) Field Descriptions | ||
Bit | Field | Value | Description |
SOP_BUFFER_BYTECNT | Packet Length | ||
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| Indicates how many bytes are contained in the packet. This value is written into |
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| bits 15:0 of Word 3 of the SOP Descriptor during end of packet processing. |
CURR_BUFFER_BYTECNT | Current Buffer Length | ||
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| Indicates how many free bytes remain in the current buffer that is being received |
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| into |
4.44 Receive CPPI Completion Pointer (RCPPICOMPPTR)
The Receive CPPI Completion Pointer (RCPPICOMPPTR) is shown in Figure 59 and described in Table 60.
Figure 59. Receive CPPI Completion Pointer (RCPPICOMPPTR)
31 |
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| 16 |
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| DESC_ADDR |
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15 |
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| 2 | 1 | 0 |
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| DESC_ADDR | Reserved | RDBK_MODE |
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LEGEND: R/W = Read/Write; R = Read only; |
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| Table 60. Receive CPPI Completion Pointer (RCPPICOMPPTR) Field Descriptions | ||||
Bit | Field | Value | Description |
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DESC_ADDR | Descriptor Address |
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| This field contains the | ||
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| DMA has last processed. |
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1 | Reserved | 0 | Reserved |
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110 | Universal Serial Bus (USB) Controller | |
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