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feat(precheck): add analog pin check for ihp-sg13g2

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This commit is contained in:
htfab
2026-02-21 07:16:36 +02:00
committed by Uri Shaked
parent cff6920d69
commit 45fa89984f
2 changed files with 57 additions and 33 deletions
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precheck/tech_data.py
+29 -12
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@@ -1,3 +1,5 @@
tech_names = ["sky130A", "ihp-sg13g2", "gf180mcuD"]
# fmt: off
valid_layers_sky130A = [
'cldntm.mask', 'ldntm.drawing', 'cncm.mask', 'ctunm.mask', 'cnwm.mask', 'cnsm.mask', 'cfom.drawing', 'cfom.maskAdd',
@@ -93,15 +95,34 @@ valid_layers_gf180mcuD = [
]
# fmt: on
# layers used for the analog pin check
layer_map_sky130A = {
"met4": (71, 20),
"via3": (70, 44),
}
def analog_pin_pos_sky130A(pin_number: int, uses_3v3: bool):
return 151.81 - 19.32 * pin_number - (15.64 if uses_3v3 else 0)
def analog_pin_rects(tech: str, uses_3v3: bool):
if tech == "sky130A":
pin_layer = (71, 20) # met4
via_layers = [(70, 44)] # via3
for pin_number in range(8):
if uses_3v3:
x1, y1 = 136.17 - 19.32 * pin_number, 0.0
else:
x1, y1 = 151.81 - 19.32 * pin_number, 0.0
x2, y2 = x1 + 0.9, y1 + 1.0
rect = ((x1, y1), (x2, y2))
yield (rect, pin_layer, via_layers)
elif tech == "ihp-sg13g2":
pin_layer = (126, 0) # TopMetal1
via_layers = [(125, 0)] # TopVia1
for pin_number in range(8):
if uses_3v3:
raise NotImplementedError
else:
x1, y1 = 190.165 - 24.48 * pin_number, 0.0
x2, y2 = x1 + 1.75, y1 + 2.0
rect = ((x1, y1), (x2, y2))
yield (rect, pin_layer, via_layers)
elif tech in tech_names:
raise NotImplementedError
else:
raise ValueError(f"unexpected tech {tech}")
valid_layers = {
@@ -109,8 +130,6 @@ valid_layers = {
"ihp-sg13g2": valid_layers_ihp_sg13g2,
"gf180mcuD": valid_layers_gf180mcuD,
}
layer_map = {"sky130A": layer_map_sky130A}
analog_pin_pos = {"sky130A": analog_pin_pos_sky130A}
lyp_filename = {
"sky130A": "sky130A.lyp",
"ihp-sg13g2": "sg13g2.lyp",
@@ -165,5 +184,3 @@ boundary_layer = {
"ihp-sg13g2": "prBoundary.boundary",
"gf180mcuD": "PR_bndry",
}
tech_names = ["sky130A", "ihp-sg13g2", "gf180mcuD"]