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ZX Spectrum +2A/2B, +3/3B edge connector: Difference between revisions

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ZX Spectrum +2A/2B, +3/3B edge connector (view source)

Revision as of 00:38, 30 April 2015

36 bytes added ,  30 April 2015
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[[Category:Spectrum]]
[[Category:Spectrum]]
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{{Template:Spectrum edge connector|A15|A13|D7|[[#ROM disable pins|{{overline|OE}}]]|[[#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|NC]]|{{overline|WAIT}}|[[#Power|+12{{smallcaps|V}}]]|[[#Power|−12{{smallcaps|V}}]]|{{overline|M1}}|{{overline|RFS}}|A8|A10|[[#RESET|RESET]]|A14|A12|[[#Power|+5{{smallcaps|V}}]]|[[#Power|NC]]|[[#Key_Slot|SLOT]]|0{{smallcaps|V}}|0{{smallcaps|V}}|[[#CPU_Clock|CKEXT]]|A0|A1|A2|A3|NC|0{{smallcaps|V}}|[[#ROM disable pins|{{overline|OE}}]]|{{overline|[[#Disc Controller Signals|DRD]]}}|{{overline|[[#Disc Controller Signals|DWR]]}}|{{overline|[[#Disc Controller Signals|MTR]]}}|{{overline|BUSRQ}}|{{overline|RESET}}|A7|A6|A5|A4|[[#ROM disable pins|NC]]|{{overline|BUSACK}}|A9|A11}}
{{Template:Spectrum edge connector|A15|A13|D7|[[#ROM disable pins|{{overline|OE}}]]|[[#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|NC]]|{{overline|WAIT}}|[[#Power|+12{{small|V}}]]|[[#Power|−12{{small|V}}]]|{{overline|M1}}|{{overline|RFS}}|A8|A10|[[#RESET|RESET]]|A14|A12|[[#Power|+5{{small|V}}]]|[[#Power|NC]]|[[#Key_Slot|SLOT]]|0{{small|V}}|0{{small|V}}|[[#CPU_Clock|CKEXT]]|A0|A1|A2|A3|NC|0{{small|V}}|[[#ROM disable pins|{{overline|OE}}]]|{{overline|[[#Disc Controller Signals|DRD]]}}|{{overline|[[#Disc Controller Signals|DWR]]}}|{{overline|[[#Disc Controller Signals|MTR]]}}|{{overline|BUSRQ}}|{{overline|RESET}}|A7|A6|A5|A4|[[#ROM disable pins|NC]]|{{overline|BUSACK}}|A9|A11}}
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====Power====
====Power====
The +2A/+3 and +2B are not powered from a single 9V supply as on all previous models, but by a multi rail supply. This provides the +5V, +12V, and −12V required directly and as such there is no +9V or −5V rail available on the edge connector for driving peripherals.
The +2A/+3 and +2B are not powered from a single 9{{small|V}} supply as on all previous models, but by a multi rail supply. This provides the +5{{small|V}}, +12{{small|V}}, and −12{{small|V}} required directly and as such there is no +9{{small|V}} or −5{{small|V}} rail available on the edge connector for driving peripherals.


====ROM disable pins====
====ROM disable pins====
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