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UPD70741GC-25-8EU Datasheet(PDF) 3 Page - NEC |
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UPD70741GC-25-8EU Datasheet(HTML) 3 Page - NEC |
3 / 112 page µPD70741 3 PIN NAMES A0-A23 : Address Bus BLOCK : Bus Lock CLKOUT : System Clock Out CS0-CS3 : Chip Select D0-D15 : Data Bus DACK0, DACK1 : DMA Acknowledge DREQ0, DREQ1 : DMA Request HLDAK : Hold Acknowledge HLDRQ : Hold Request INTP00-INTP03, INTP10-INTP13 : Interrupt Request IORD : I/O Read IOWR : I/O Write LCAS : Lower Column Address Strobe LMWR : Lower Memory Write MRD : Memory Read NMI : Non-maskable Interrupt Request P00-P09 : Port RAS : Row Address Strobe READY : Ready REFRQ : Refresh Request RESET : Reset RXD : Receive Data SCLK : Serial Clock SI : Serial Input SO : Serial Output TC : Terminal Count TCLR : Timer Clear TI : Timer Input TO00, TO01 : Timer Output TXD : Transmit Data UBE : Upper Byte Enable UCAS : Upper Column Address Strobe UMWR : Upper Memory Write WDTOUT : Watchdog Timer Output WE : Write Enable X1, X2 : Crystal Oscillator |
Similar Part No. - UPD70741GC-25-8EU |
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