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[/] [sdr_ctrl/] [trunk/] [rtl/] [core/] [sdrc_define.v] - Diff between revs 15 and 37

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Rev 15 Rev 37
?rev1line?
?rev2line?
 
 
 
`define SDR_REQ_ID_W       4
 
 
 
`define SDR_RFSH_TIMER_W    12
 
`define SDR_RFSH_ROW_CNT_W   3
 
 
 
// B2X Command
 
 
 
`define OP_PRE           2'b00
 
`define OP_ACT           2'b01
 
`define OP_RD            2'b10
 
`define OP_WR            2'b11
 
 
 
// SDRAM Commands (CS_N, RAS_N, CAS_N, WE_N)
 
 
 
`define SDR_DESEL        4'b1111
 
`define SDR_NOOP         4'b0111
 
`define SDR_ACTIVATE     4'b0011
 
`define SDR_READ         4'b0101
 
`define SDR_WRITE        4'b0100
 
`define SDR_BT           4'b0110
 
`define SDR_PRECHARGE    4'b0010
 
`define SDR_REFRESH      4'b0001
 
`define SDR_MODE         4'b0000
 
 
 
 
 
 
 
 
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