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DM1883A

Abstract: No abstract text available
Text: C WESTERN DIGITAL O R P O R A T I O N DM1883A /B DM1883A /B Direct Memory Access Controller , DESCRIPTIONS PIN NUMBER 1 2 3 4 DM1883A /B SIGNAL NAME GROUND DATA REQUEST REPLY B A C K IN SYMBOL , is h ig h a nd co m p le m e n te d if T D B is low . DM1883A /B 20 IA C K IN IA C K I , ASTER RESET to a llo w a 64K tra n s fe r c o u n t d u rin g a u to load. DM1883A /B REGISTER , b it 16. N o t used. DM1883A /B N O T E : B its 1. 2, 3 set IN T R lo w on an a c tiv e c o n d


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PDF DM1883A/B DM1883A/B DM1883A
8097 interrupt

Abstract: 1771 floppy DM1883 fdc1771 179X 8212 latch D 8212 intel DM1883A intel 8212
Text: WESTERN DIGITAL CORPORATION DM1883A /B Direct Memory Access Controller FEATURES • AUTOMATIC DAISY CHAINING OF BUS AND INTERRUPT ACKNOWLEDGE SIGNALS AUTO LOAD OPTION SINGLE +5 VDC POWER SUPPLY 8 BIT BI-DIRECTIONAL DATA BUS TRUE OR COMPLEMENT DATA BUS 8 CPU ADDRESSABLE DMAC REGISTERS 8 CPU ADDRESSABLE DEVICE REGISTERS AUTOMATIC GENERATION OF DEVICE CS DURING DMA AND CPU DEVICE ACCESSES 256K MEMORY ADDRESSING 64K PROGRAMMABLE PAGE PROTECTION BYTE OR WORD DMA TRANSFERS INTERRUPT AND BUS REQUEST CAPABILITIES END-OF-BLOCK


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PDF DM1883A/B 8097 interrupt 1771 floppy DM1883 fdc1771 179X 8212 latch D 8212 intel DM1883A intel 8212
MSC 1691 AI

Abstract: WD1771 WD1793 WD1691V western digital FD1791 sj 8207 FD1770 WD1771-01 WD1691 WG1 smd
Text: Floppy Support DM1883A /B Direct Memory Access , -02 . 73 DM1883A /B . 145 WD2010 . 263 WD2143


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