RROM pinout

[jpx72]

I haven't found RROM pinout anywhere so I made one myself. PRG pinout is the same as NROM, but CHR is different. Here is it compared to common NROM board:

Code: Select all

HVC-NROM-256K-02 "Pachi Com (J)" CHR ROM:
                  ---_---
       +5V     - |01   28| - +5V
       CHR A12 - |02   27| - +5V
       CHR A7  - |03   26| - GND
       CHR A6  - |04   25| - CHR A8
       CHR A5  - |05   24| - CHR A9
       CHR A4  - |06   23| - CHR A11 (Vert.)
       CHR A3  - |07   22| - CHR /RD  (OE)
       CHR A2  - |08   21| - CHR A10 (Horiz.)
       CHR A1  - |09   20| - CHR /A13 (CE)
       CHR A0  - |10   19| - CHR D7
       CHR D0  - |11   18| - CHR D6
       CHR D1  - |12   17| - CHR D5
       CHR D2  - |13   16| - CHR D4
       GND     - |14   15| - CHR D3
                  -------

HVC-RROM-05 "Balloon Fight (J)" CHR ROM:
                  ---_---
       CHR A7  - |01   28| - +5V
       CHR A6  - |02   27| - CHR A8
       CHR A5  - |03   26| - CHR A9
       CHR A4  - |04   25| - CHR A12
       CHR A3  - |05   24| - CHR /A13 (CE)
       +5V     - |06   23| - NC
       +5V     - |07   22| - CHR /RD  (OE)
       CHR A2  - |08   21| - CHR A10 (Horiz.)
       CHR A1  - |09   20| - CHR A11 (Vert.)
       CHR A0  - |10   19| - CHR D7
       CHR D0  - |11   18| - CHR D6
       CHR D1  - |12   17| - CHR D5
       CHR D2  - |13   16| - CHR D4
       GND     - |14   15| - CHR D3
                  -------

[Bregalad]

Great, I'll wikify this.