|
|
| (3 intermediate revisions by 3 users not shown) |
| Line 1: |
Line 1: |
| '''ANROM''' refers to the NES-ANROM and HVC-ANROM boards of the [[AxROM]] category.
| | #REDIRECT [[AxROM]] |
| | |
| == Overview ==
| |
| * PRG ROM size: 128 KB
| |
| * PRG ROM bank size: 32 KB
| |
| * PRG RAM: None
| |
| * CHR capacity: 8 KB RAM
| |
| * CHR bank size: Not bankswitched
| |
| * Nametable [[mirroring]]: Single-screen, mapper-selectable
| |
| * Subject to [[bus conflict]]s: No
| |
| | |
| == Banks ==
| |
| * CPU $8000-$ffff : 32 KB Switchable PRG ROM bank.
| |
| The ANROM board always have 4 PRG ROM banks.
| |
| | |
| == Solder pad config ==
| |
| No solder pad config is needed on the ANROM board.
| |
| | |
| == Chips and pinout ==
| |
| | |
| * PRG ROM - 1 MBit (128 KB x 8) (DIP-28) :
| |
|
| |
| ---U---
| |
| A15 - |01 28| - +5V
| |
| A12 - |02 27| - A14
| |
| A7 - |03 26| - A13
| |
| A6 - |04 25| - A8
| |
| A5 - |05 24| - A9
| |
| A4 - |06 23| - A11
| |
| A3 - |07 22| - A16
| |
| A2 - |08 21| - A10
| |
| A1 - |09 20| - /CE (/ROMSEL + R/W)
| |
| A0 - |10 19| - D7
| |
| D0 - |11 18| - D6
| |
| D1 - |12 17| - D5
| |
| D2 - |13 16| - D4
| |
| GND - |14 15| - D3
| |
| -------
| |
| | |
| This pinout is not compatible with stantard 27C010 EPROMs, so to insert them in the board manual rewiring is needed.
| |
| | |
| * CHR-RAM - 64 kBit (8 KB x 8) (DIP-28) : Standard [[6264_static_ram|6264]] pinout.
| |
| | |
| * 74HC161 (DIP-16)
| |
| | |
| * 74HC02 (DIP-14)
| |
| [[Category:Cartridge Boards]]
| |
