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ZX Spectrum 128 edge connector: Difference between revisions
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{{Template:Spectrum edge connector|A15|A13|D7|NC|[[#Key Slot|SLOT]]|D0|D1|D2|D6|D5|D3|D4|{{overline|INT}}|{{overline|NMI}}|{{overline|HALT}}|{{overline|MREQ}}|{{overline|IORQ}}|{{overline|RD}}|{{overline|WR}}|[[#Power|−5{{small|V}}]]|{{overline|WAIT}}|[[#Power|+12{{small|V}}]]|[[#Power|12{{small|V}} AC]]|{{overline|M1}}|{{overline|RFSH}}|A8|A10|NC|A14|A12|[[#Power|+5{{small|V}}]]|[[#Power|+9{{small|V}}]]|[[#Key Slot|SLOT]]|0{{small|V}}|0{{small|V}}|[[#CPU_Clock|{{overline|CK}}]]|A0|A1|A2|A3|[[#IORQULA|NC]]|0{{small|V}}|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|{{overline|BUSRQ}}|{{overline|RESET}}|A7|A6|A5|A4|{{overline|ROMCS}}|{{overline|BUSACK}}|A9|A11}} | {{Template:Spectrum edge connector|A15|A13|D7|NC|[[#Key Slot|SLOT]]|D0|D1|D2|D6|D5|D3|D4|{{overline|INT}}|{{overline|NMI}}|{{overline|HALT}}|{{overline|MREQ}}|{{overline|IORQ}}|{{overline|RD}}|{{overline|WR}}|[[#Power|−5{{small|V}}]]|{{overline|WAIT}}|[[#Power|+12{{small|V}}]]|[[#Power|12{{small|V}} AC]]|{{overline|M1}}|{{overline|RFSH}}|A8|A10|NC|A14|A12|[[#Power|+5{{small|V}}]]|[[#Power|+9{{small|V}}]]|[[#Key Slot|SLOT]]|0{{small|V}}|0{{small|V}}|[[#CPU_Clock|{{overline|CK}}]]|A0|A1|A2|A3|[[#IORQULA|NC]]|0{{small|V}}|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|{{overline|BUSRQ}}|{{overline|RESET}}|A7|A6|A5|A4|{{overline|ROMCS}}|{{overline|BUSACK}}|A9|A11}} | ||
<!-- edge connector table ends --> | <!-- edge connector table ends --> | ||
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====Removed Video Outputs==== | ====Removed Video Outputs==== | ||
Unlike the [[ZX Spectrum 16k/48k]] the [[ZX Spectrum+ 128K]] [[The Spectrum ULA|ULA]] generates RGB and Bright video signals rather than intensity and colour difference signals. The {{overline|Y}}, U, and V signals are therefore not available so the pins previously used for them are left unconnected. Additionally the composite video signal has been removed. | Unlike the [[ZX Spectrum 16k/48k]] the [[ZX Spectrum+ 128K]] [[The Spectrum ULA|ULA]] generates RGB and Bright video signals rather than intensity and colour difference signals. The {{overline|Y}}, U, and V signals are therefore not available so the pins previously used for them are left unconnected. Additionally the composite video signal has been removed. | ||
[[Category:Edge connectors]] | |||
[[Category:Hardware]] | |||
[[Category:Spectrum]] | |||