DS643 Datasheet, PDF (29/216 Pages) Xilinx, Inc – Soft Direct Memory Access (SDMA) support

LogiCORE IP Multi-Port Memory Controller (v6.06.a)
MCB PIM I/O Signals
Table 23 lists the MCB PIM I/O signals.
Table 23: MCB PIM I/O Signals (Spartan-6 FPGAs Only)
Signal Name
MCB<Port_Num>_cmd_bl[5:0]
MCB<Port_Num>_cmd_byte_addr[29:0]
MCB<Port_Num>_cmd_clk
MCB<Port_Num>_cmd_en
MCB<Port_Num>_cmd_empty
MCB<Port_Num>_cmd_full
MCB<Port_Num>_cmd_instr[2:0]
MCB<Port_Num>_rd_clk
MCB<Port_Num>_rd_en
MCB<Port_Num>_rd_data
[C_PIM<Port_Num>_DATA_WIDTH-1:0]
MCB<Port_Num>_rd_full
MCB<Port_Num>_rd_empty
MCB<Port_Num>_rd_count[6:0]
MCB<Port_Num>_rd_overflow
MCB<Port_Num>_rd_error
MCB<Port_Num>_wr_clk
MCB<Port_Num>_wr_count[6:0]
MCB<Port_Num>_wr_data
[C_PIM<Port_Num>_DATA_WIDTH-1:0]
MCB<Port_Num>_wr_empty
MCB<Port_Num>_wr_en
MCB<Port_Num>_wr_error
MCB<Port_Num>_wr_full
MCB<Port_Num>_wr_mask
[C_PIM<Port_Num>_DATA_WIDTH/8-1:0]
MCB<Port_Num>_wr_underrun
Direction
Input
Input
Input
Input
Output
Output
Input
Input
Input
Output
Output
Output
Output
Output
Output
Input
Output
Input
Output
Input
Output
Output
Input
Output
Init Status
Description
X
Command FIFO Burst Length.
X
Command FIFO Address.
X
Command FIFO Clock.
X
Command FIFO Enable.
1
Command FIFO Empty Flag.
0
Command FIFO Full Flag.
X
Command FIFO Instruction.
X
Read FIFO Clock.
X
Read FIFO Enable.
X
Read FIFO Data.
0
Read FIFO Full Flag.
1
Read FIFO Empty Flag.
0
Read FIFO Count.
0
Read FIFO Overflow Flag.
0
Read FIFO Error Flag.
X
Write FIFO Clock.
0
Write FIFO Count.
X
Write FIFO Data.
1
Write FIFO Empty Flag.
X
Write FIFO Enable.
0
Write FIFO Error Flag.
0
Write FIFO Full Flag.
X
Write FIFO Mask.
0
Write FIFO Underrun Flag.
DS643 February 22, 2013
www.xilinx.com
29
Product Specification