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made dualrail decoder en use fewer AND gates

This commit is contained in:
alexmadison 2022-04-13 18:53:39 +02:00
parent 17cbc269a6
commit 058da32b5b
1 changed files with 28 additions and 9 deletions
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37
dataflow_neuro/coders.act
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@ -167,19 +167,38 @@ defproc decoder_dualrail_x(Mx1of2<Nc> in; bool? out[N]; power supply) {
*/
export template<pint Nc, N>
defproc decoder_dualrail_en(Mx1of2<Nc> in; bool? en, out[N]; power supply) {
decoder_dualrail_refresh<Nc, N> decoder(.in = in, .supply = supply);
sigbuf<N> sb_en(.in = en, .supply = supply);
AND2_X1 en_ands[N];
(i:N:
en_ands[i].a = decoder.out[i];
en_ands[i].b = sb_en.out[i];
decoder_dualrail_refresh<Nc, N> decoder(.out = out, .supply = supply);
en_ands[i].vdd = supply.vdd;
en_ands[i].vss = supply.vss;
sigbuf<Nc*2> sb_en(.in = en, .supply = supply);
// AND2_X1 en_ands[N];
// (i:N:
// en_ands[i].a = decoder.out[i];
// en_ands[i].b = sb_en.out[i];
en_ands[i].y = out[i];
// en_ands[i].vdd = supply.vdd;
// en_ands[i].vss = supply.vss;
// en_ands[i].y = out[i];
// )
AND2_X1 en_ands_t[Nc];
AND2_X1 en_ands_f[Nc];
(i:Nc:
en_ands_t[i].a = in.d[i].t;
en_ands_f[i].a = in.d[i].f;
en_ands_t[i].b = sb_en.out[i];
en_ands_f[i].b = sb_en.out[i+Nc];
en_ands_t[i].y = decoder.in.d[i].t;
en_ands_f[i].y = decoder.in.d[i].f;
en_ands_t[i].vdd = supply.vdd;
en_ands_t[i].vss = supply.vss;
en_ands_f[i].vdd = supply.vdd;
en_ands_f[i].vss = supply.vss;
)
}