Sinclair ZX Spectrum +2: Difference between revisions
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== Architecture == | == Architecture == | ||
{| class="wikitable styled-table" style="width: | {| class="wikitable styled-table" style="width:70%; text-align:left;" | ||
|+'''Sinclair ZX Spectrum +2 main devices''' | |+'''Sinclair ZX Spectrum +2 main devices''' | ||
! Device !! Function | ! Device !! Function | ||
|- | |- | ||
| Zilog Z80A @ 3.5469 MHz || CPU | | Zilog Z80A @ 3.5469 MHz || CPU | ||
|- | |- | ||
| ULA || Video, keyboard scan, tape I/O and the beeper. Late machines may use a soldered '''Amstrad 40056''' instead of the usual Ferranti part | | ULA || Video, keyboard scan, tape I/O and the beeper. Late machines may use a soldered '''Amstrad 40056''' instead of the usual Ferranti part | ||
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|- | |- | ||
| TEA2000 || Colour encoder | | TEA2000 || Colour encoder | ||
|- | |- | ||
| Amstrad 40057 || Dual joystick port interface | | Amstrad 40057 || Dual joystick port interface | ||
|- | |- | ||
| 128 KB DRAM || Eight 16 KB banks, paged into the Z80's address space | | 128 KB DRAM || Eight 16 KB banks, paged into the Z80's address space | ||
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[[Category:Sinclair Computers]] | [[Category:Sinclair Computers]] | ||