CX82100 Home Network Processor Data Sheet
Figure 7-5. EMAC Transmit Frame Structure
4 Bytes
Written By
Used By
ARM
Status (TSTAT Frame #N)
0x00000000
TMAC
Descriptor (TDES Frame #N)
Data (Frame #N)
TMAC
Requested by TMAC & Sent
to TMAC FIFO by DMAC
ARM
Data (Frame #N)
Next DMA Ptr (Frame #N)
Next DMA Cnt (Frame #N)
DMAC
Data (Frame #N)
Requested by TMAC & Sent
to TMAC FIFO by DMAC
ARM
ARM
Data (Frame #N)
Next DMA Ptr (Frame #N)
Next DMA Cnt (Frame #N)
DMAC
Data (Frame #N)
Requested by TMAC & Sent
to TMAC FIFO by DMAC
DataN (End of Frame #N)
Status (TSTAT Frame #N+1)
0x00000000
Descriptor (TDES Frame #N+1)
Data (Frame #N+1)
ARM
TMAC
ARM
TMAC
Requested by TMAC & Sent
to TMAC FIFO by DMAC
Data (Frame #N+1)
Next DMA Ptr (Frame #N+1)
Next DMA Cnt (Frame #N+1)
DMAC
101545-032
7-10
Conexant Proprietary and Confidential Information
101306C
CONEXANT [ CONEXANT SYSTEMS, INC ]
