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| '''AN1ROM''' refers to the NES-AN1ROM board of the [[AxROM]] category.
| | #REDIRECT [[AxROM]] |
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| == Overview ==
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| {{main|AxROM}}
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| * PRG ROM size: 64 KB
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| * PRG ROM bank size: 32 KB
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| * PRG RAM: None
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| * CHR capacity: 8 KB RAM
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| * CHR bank size: Not bankswitched
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| * Nametable [[mirroring]]: Single-screen, mapper-selectable
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| * Subject to [[bus conflict]]s: No
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| == Banks ==
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| * CPU $8000-$ffff : 32 KB Switchable PRG ROM bank.
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| The AN1ROM board always have 2 PRG ROM banks.
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| == Solder pad config ==
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| No solder pad config is needed on the AN1ROM board.
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| == Chips and pinout ==
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| * U1 : PRG ROM - 512 KBit (64 KB x 8) (DIP-28) :
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|
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| ---U---
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| A15 - |01 28| - +5V
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| A12 - |02 27| - A14
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| A7 - |03 26| - A13
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| A6 - |04 25| - A8
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| A5 - |05 24| - A9
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| A4 - |06 23| - A11
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| A3 - |07 22| - /OE (/ROMSEL + R/W)
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| A2 - |08 21| - A10
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| A1 - |09 20| - GND (/CE ?)
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| A0 - |10 19| - D7
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| D0 - |11 18| - D6
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| D1 - |12 17| - D5
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| D2 - |13 16| - D4
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| GND - |14 15| - D3
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| -------
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| This pinout is compatible with the standard 27C512 or equivalent EPROMs. No rewiring is needed.
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| * CHR-RAM - 64 kBit (8 KB x 8) (DIP-28) : Standard [[6264_static_ram|6264]] pinout.
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| * 74HC161 (DIP-16)
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| * 74HC02 (DIP-14)
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