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|| FILE: #0164.PLD
|| PROJ: 20170501
|| FD-02 FDC/ATA/DMA BOARD
||
|| PART: G16V8-#0164
||
|| DEV : GAL16V8
||
|| DESC: USB/VIA DECODER
||
|
|GAL16V8A
|
|| INPUT
| 1:A1, 2:A2, 3:A3, 4:A4, 5:A5, 6:A6, 7:IO, 8:PHI2, 9:RW, 11:PHI0,
| 12:MW0, 13:P1IN,
|| OUTPUT
| 14:USB, 15:RD, 16:WE, 17:VIA, 18:GEN, 19:PHI1
|
| ACTIVE-LOW: USB, RD, WE, VIA
|
| PROPERTY:"SIMPLE"
|
| SIGNATURE: "0164 "
|
|| --------------------------------------------------------
||
| PHI1 = PHI2' || inverted phase 2 (connect to P1IN)
| GATE = PHI0 # PHI2 # P1IN' || gate enable strobe
| GEN = GATE
| FDD0 = IO' & A6 & A5' & A4 || select FDD0-FDD0
| SUSB = FDD0 & A3' & A2' & A1' || usb select FDD0-FDD1
| VIA = IO' & A6 & A5' & A4' || via select FDC0-FDCF
| USB = SUSB & GATE || usb select FDD0-FDD1
| RD = SUSB & RW & PHI2
| UW0 = SUSB & RW' & PHI2 & MW0
| UW1 = SUSB & RW' & PHI0 & MW0'
| WE = UW0 # UW1