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altered pull downs and ups in the encoder and neuron handshake to minimise parasitic capacitances when ack switches

This commit is contained in:
alexmadison 2022-06-22 19:22:27 +02:00
parent 6c1e079fd4
commit 4d4183f714
1 changed files with 4 additions and 2 deletions
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6
dataflow_neuro/coders.act
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@ -888,7 +888,9 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; bool! out_req_x[Nx], out_req_y[
{
INV_X1 inv(.a = reset_B, .vdd=supply.vdd,.vss =supply.vss);
A_1N_U_X4 pull_down(.n1=in, .y=out);
TIEHI_X1 tiehi(.vdd = supply.vdd, .vss = supply.vss);
A_2N_U_X4 pull_down(.n1=in, .n2 = tiehi.y, .y=out);
A_1N_U_X4 pull_downR(.n1=inv.y, .y=out);
}
@ -1122,7 +1124,7 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; bool! out_req_x[Nx], out_req_y[
// y_req pull up
bool _reqB;
INV_X1 req_inv(.a = _req, .y = _reqB, .vdd= supply.vdd, .vss = supply.vss);
A_2P_U_X4 pu_y(.p1 = _reqB, .p2 = outy.a, .y = outy.r, .vdd = supply.vdd, .vss = supply.vss);
A_2P_U_X4 pu_y(.p1 = outy.a, .p2 = _reqB, .y = outy.r, .vdd = supply.vdd, .vss = supply.vss);
// x_req pull up
A_3P_U_X4 pu_x(.p1 = outx.a, .p2 = _reqB, .p3 = _y_a_B, .y = outx.r,