Achronix Speedster22i User Macro Guide Manuale Utente Scaricare il pdf (Pagina 169)

Memories BRAM80KECC

Speedster22i Macro Cell Library

AchronixSemiconductorProprietary PAGE 152

Figure 6-24: ECC Write Operation Timing Diagram

Figure 6-25: ECC Read Operation Timing Diagram

Figure 6-26: ECC Read Operation Timing Diagram

wrclk

wren

din[31:0]

dinpx[3:0] (Decode-Only)

dinp[3:0] (Decode-Only)

enc_parity[6:0]

dinp 0 dinp 1 dinp 2 dinp 3 dinp 4 dinp 5 dinp 6

wraddr[10:0]

waddr 0 waddr 1 waddr 2 waddr 3 waddr 4 waddr 5 waddr 6

din 0 din 1 din 2 din 3 din 4 din 5 din 6

dinpx 0 dinpx 1 dinpx 2 dinpx 3 dinpx 4 dinpx dinpx 6

encpar 0

encpar 1

encpar 2

encpar 3 encpar 4 encpar 5 encpar 6

rdclk

rden

dout[31:0]

doutpx[3:0] (Encode-Only)

doutp[3:0] (Encode-Only)

rdaddr[10:0]

raddr 0 raddr 1 raddr 2 raddr 3 raddr 4

dout 0 dout 1 dout 2 dout 3 dout 4

sbit_error

dbit_error

rdaddrecc[10:0]

doutpx 0 doutpx 1

doutpx 2

doutpx 3 doutpx 4

doutp 0 doutp 1 doutp 2 doutp 3 doutp 4

sbe 0 sbe 1 sbe 2 sbe 3 sbe 4

dout 0 dout 0 dout 1 dout 2 dout 3

radecc 0 radecc 1

radecc 2

radecc 3

radecc 4

dout 4

1 2 ... 164 165 166 167 168 169 170 171 172 173 174 ... 223 224

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Achronix Speedster22i User Macro Guide Manuale Utente Pagina 169