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SH7763 Datasheet, PDF (1045/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series | |||
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Section 23 Gigabit Ethernet Controller (GETHER)
2. Receive Descriptor Setting
⢠Set RDLAR.
⢠Set RDFAR.
⢠Set RDFXR.
⢠Set RDFFR. When the descriptor indicated by RDFXR is the last descriptor in the descriptor
list, set H'00000001.
(3) Register Settings
The following registers should be set as necessary.
1. E-DMAC-related registers
⢠Set EDMR: Operating mode, etc.
⢠Set EESIPR: Interrupt masks
⢠Set TRSCER: Error masks
⢠Set TFTR: Transmit FIFO threshold
⢠Set FDR: External FIFO size
⢠Set RMCR: Reset method for reception activation
⢠Set RPADIR: Padding insertion into receive data
⢠Set FCFTR: Receive BSY output threshold
2. E-MAC-related registers
⢠Set ECMR setting: Transmission/reception specifications
⢠Set ECSIPR setting: Interrupt masks
⢠Set MAHR: MAC address
⢠Set MALR: MAC address
⢠Set RFLR: Maximum receive frame length
⢠Set PIPR: ET_PHY_INT pin polarity
⢠Set APR: TIME parameter value of an automatic pause frame
⢠Set MPR: TIME parameter value of a manual PAUSE frame
⢠Set TPAUSER: Upper limit of automatic PAUSE frame retransmission
⢠Set GECMR: Transfer speed
⢠Set BCULR: Upper limit of burst cycles
Rev. 1.00 Oct. 01, 2007 Page 979 of 1956
REJ09B0256-0100
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