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pads_layout2.arr
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pads_layout2.arr
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; Pad Frame arrangement file
; 1/18/02
; Generate a padframe for a 40-pin MOSIS tinychip layout
; specify the cell library with the pads
celllibrary muddpads11_ami05.elib
; create a top-level facet containing the padframe and core
facet chip{lay}
; place this facet as the "core"
core cam{lay}
; set the alignment of the pads (specifying input and output port names)
align pad_corner{lay} dvdd-1 dvdd
align pad_in{lay} dvdd-1 dvdd
align pad_out{lay} dvdd-1 dvdd
align pad_analog{lay} dvdd-1 dvdd
align pad_dvdd{lay} dvdd-1 dvdd
align pad_dgnd{lay} dvdd-1 dvdd
;; replace the pad_in and pad_out statements with the pad frame arrangement you want.
;; keep at least two pad_dvdd and pad_dgnd pads somewhere on the chip to supply
;; power and ground to the pads and core
; place the top edge of pads, starting with upper-right
place pad_corner{lay}
place pad_in{lay} din=mask[5] export din=mask[5]
place pad_in{lay} din=data[5] export din=data[5]
place pad_in{lay} din=input[5] export din=input[5]
place pad_in{lay} din=data[6] export din=data[6]
place pad_in{lay} din=mask[4] export din=mask[4]
place pad_in{lay} din=input[4] export din=input[4]
place pad_in{lay} din=data[7] export din=data[7]
place pad_in{lay} din=mask[3] export din=mask[3]
place pad_in{lay} din=data[8] export din=data[8]
place pad_in{lay} din=input[3] export din=input[3]
place pad_dvdd{lay} export pad = VDD
place pad_dvdd{lay}
place pad_dgnd{lay} export pad = GND
place pad_in{lay} din=reset export pad=reset
; place the left edge of pads
rotate cc
place pad_corner{lay}
place pad_in{lay} din=delete export din=delete
place pad_in{lay} din=write export din=write
place pad_in{lay} din=data[14] export din=data[15]
place pad_in{lay} din=data[14] export din=data[14]
place pad_in{lay} din=fullPrev export din=fullPrev
place pad_in{lay} din=data[13] export din=data[13]
place pad_in{lay} din=input[0] export din=input[0]
place pad_in{lay} din=data[12] export din=data[12]
place pad_in{lay} din=mask[0] export din=mask[0]
place pad_in{lay} din=input[1] export din=input[1]
place pad_in{lay} din=data[11] export din=data[11]
place pad_in{lay} din=mask[1] export din=mask[1]
place pad_in{lay} din=data[10] export din=data[10]
place pad_in{lay} din=input[2] export din=input[2]
place pad_in{lay} din=data[9] export din=data[9]
; place the bottom edge of pads
rotate cc
place pad_corner{lay}
place pad_in{lay} din=mask[2] export din=mask[2]
place pad_out{lay} dout=output[15] export din=output[15]
place pad_out{lay} dout=output[14] export din=output[14]
place pad_out{lay} dout=output[13] export din=output[13]
place pad_out{lay} dout=full export din=full
place pad_out{lay} dout=output[12] export din=output[12]
place pad_out{lay} dout=output[11] export din=output[11]
place pad_out{lay} dout=output[10] export din=output[10]
place pad_out{lay} dout=output[9] export din=output[9]
place pad_out{lay} dout=output[8] export din=output[8]
place pad_out{lay} dout=output[7] export din=output[7]
place pad_out{lay} dout=output[6] export din=output[6]
place pad_out{lay} dout=output[5] export din=output[5]
place pad_out{lay} dout=output[4] export din=output[4]
; place the right edge of pads
rotate cc
place pad_corner{lay}
place pad_out{lay} dout=output[3] export din=output[3]
place pad_out{lay} dout=output[2] export din=output[2]
place pad_out{lay} dout=output[1] export din=output[1]
place pad_out{lay} dout=output[0] export din=output[0]
place pad_out{lay} dout=notFound export din=notFound
place pad_in{lay} din=data[4] export din=data[4]
place pad_in{lay} din=input[6] export din=input[6]
place pad_in{lay} din=mask[6] export din=mask[6]
place pad_in{lay} din=data[3] export din=data[3]
place pad_in{lay} din=input[7] export din=input[7]
place pad_in{lay} din=data[2] export din=data[2]
place pad_in{lay} din=mask[7] export din=mask[7]
place pad_in{lay} din=data[1] export din=data[1]
place pad_in{lay} din=notFoundPrev export din=notFoundPrev
place pad_in{lay} din=data[0] export din=data[0]