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4.41 Receive CPPI DMA State Word 4 (RCPPIDMASTATEW4)
The Receive CPPI DMA State Word 4 (RCPPIDMASTATEW4) is shown in Figure 56 and described in Table 57.
Figure 56. Receive CPPI DMA State Word 4 (RCPPIDMASTATEW4)
31 | 0 |
CURR_BUFFER_PTR
LEGEND: R/W = Read/Write;
Table 57. Receive CPPI DMA State Word 4 (RCPPIDMASTATEW4) Field Descriptions
Bit | Field | Value | Description |
CURR_BUFFER_PTR | Current Buffer Pointer | ||
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4.42 Receive CPPI DMA State Word 5 (RCPPIDMASTATEW5)
The Receive CPPI DMA State Word 5 (RCPPIDMASTATEW5) is shown in Figure 57 and described in Table 58.
| Figure 57. Receive CPPI DMA State Word 5 (RCPPIDMASTATEW5) | ||
31 |
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| 16 |
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| PKT_LENGTH |
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15 |
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| 0 |
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| CURR_BUFFER_LENGTH |
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LEGEND: R/W = Read/Write; |
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| Table 58. Receive CPPI DMA State Word 5 (RCPPIDMASTATEW5) Field Descriptions | ||
Bit | Field | Value | Description |
PKT_LENGTH | 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_LENGTH | 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 |
Universal Serial Bus (USB) Controller | 109 | |
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