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Added GP_DFFS, GP_DFFR, and GP_DFFSR

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This commit is contained in:
Clifford Wolf 2016-03-23 08:46:10 +01:00
parent 456c10f16e
commit b4bf787f10
4 changed files with 76 additions and 21 deletions
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22
techlibs/greenpak4/gp_dff.lib
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@ -1,5 +1,5 @@
library(gp_dff) {
cell(GP_DFF_NOSR) {
cell(GP_DFF) {
area: 1;
ff("IQ", "IQN") { clocked_on: CLK;
next_state: D; }
@ -9,18 +9,28 @@ library(gp_dff) {
pin(Q) { direction: output;
function: "IQ"; }
}
cell(GP_DFF_SR) {
cell(GP_DFFS) {
area: 1;
ff("IQ", "IQN") { clocked_on: CLK;
next_state: D;
preset: "nSETZ'";
clear: "nRSTZ'"; }
preset: "nSET'"; }
pin(CLK) { direction: input;
clock: true; }
pin(D) { direction: input; }
pin(Q) { direction: output;
function: "IQ"; }
pin(nRSTZ) { direction: input; }
pin(nSETZ) { direction: input; }
pin(nSET) { direction: input; }
}
cell(GP_DFFR) {
area: 1;
ff("IQ", "IQN") { clocked_on: CLK;
next_state: D;
clear: "nRST'"; }
pin(CLK) { direction: input;
clock: true; }
pin(D) { direction: input; }
pin(Q) { direction: output;
function: "IQ"; }
pin(nRST) { direction: input; }
}
}