Zynq UltraScale+ Devices Register Reference > Module Summary > GEM Module > pbuf_txcutthru (GEM) Register
Register Name | pbuf_txcutthru |
---|---|
Relative Address | 0x0000000040 |
Absolute Address |
0x00FF0B0040 (GEM0) 0x00FF0C0040 (GEM1) 0x00FF0D0040 (GEM2) 0x00FF0E0040 (GEM3) |
Width | 32 |
Type | mixedMixed types. See bit-field details. |
Reset Value | 0x00000FFF |
Description | Partial store and forward is only applicable when using the the DMA configured in SRAM based packet buffer mode. It is also not available when using multi buffer frames. TX Partial Store and Forward |
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
dma_tx_cutthru | 31 | rwNormal read/write | 0x0 | Enable TX partial store and forward operation |
Reserved | 30:12 | roRead-only | 0x0 | Reserved, read as zero, ignored on write. |
dma_tx_cutthru_threshold | 11:0 | rwNormal read/write | 0xFFF | Watermark value. This value must be >= 0x14. |