hjm1.pld

来自「LCD驱动程序」· PLD 代码 · 共 19 行

GAL16V8                                ;DEVICE NAME
DECODER OF MAIN1                       ;TITLE
KE KAO XING SUO 2001-12-19             ;AUTHOR,DATE
1-8                                   ;ELECTRICAL SIGNATURE        

N/C INST A15 A14 PCS2 A13 RX  MDTX  P04  GND ;PIN 1 2 3 4 5 6  7 8 9 10
N/C INT CRX DA14 CS2 READY  245EN  CS1 CS0  VCC  ;PIN 11 12 13  14 15 16 17 18 19 20
/CS0=INST+/A15*/A14                              ;EPROM  ADDR:ROM  0000H-3FFFH
CS2=PCS2+A14                                     ;62256  8000 -BFFF 
CS1=PCS2+/A14+A13                                ;27C18  C000H-DFFFH
READY=INST                                       ;FOR EEPROM  WAIT
245EN=INST+/A15*/A14+/PCS2*/A14+/PCS2*A14*/A13   ;245 ENABLE 
INT=/P04                                         ;DS1685
DA14=A14
CRX=RX*MDTX
DESCRIPTION
THIS DEVICE USE FRO JB MAINBOARD DECORDER1