NEO-244: Difference between revisions

From NeoGeo Development Wiki
Jump to navigation Jump to search
(Pinout)
m (Gallery)
 
(5 intermediate revisions by the same user not shown)
Line 8: Line 8:
}}
}}


Just a bunch of buffers.
Just a bunch of buffers for second revision 4-slot MVS boards.


Only (?) used on second revision 4-slot MVS systems.
=Pinouts=


=Pinout=
==Generic==


Generic pinout. Select lines are missing.
{{Pinout|NEO-244|640}}


[[File:Neo-244_pinout.png|512px]]
==SLOT4F==


OpenOffice Draw file: [[File:neo-244.odg]]
<gallery>
 
File:NEO-244_mv4f_a1_pinout.png|A1: Buffers for 68k address lines
==SLOT4F @ A1==
File:NEO-244_mv4f_a2_pinout.png|A2: Buffers for control lines
 
File:NEO-244_mv4ft_b2_pinout.png|B2: Buffers for Z80 address lines
Current buffers for 68k address lines.
File:NEO-244_mv4ft_c2_pinout.png|C2: Buffers for P bus lines
 
File:NEO-244_mv4ft_d2_pinout.png|D2: Buffers for P bus and other lines
*6: A1 slot 1 & 2
File:NEO-244_mv4ft_e2_pinout.png|E2: Buffers for ADPCM lines
*7: A1 slot 3 & 4
</gallery>
*8: A2 slot 1 & 2
*9: A2 slot 3 & 4
*11: A3 slot 1 & 2
*12: A3 slot 3 & 4
*13: A4 slot 1 & 2
*14: A4 slot 3 & 4
*22: A5 slot 1 & 2
*23: A5 slot 3 & 4
*24: A6 slot 1 & 2
*27: A6 slot 3 & 4
*28: A7 slot 1 & 2
*29: A7 slot 3 & 4
*30: A8 slot 1 & 2
*31: A8 slot 3 & 4
*38: A9 slot 1 & 2
*39: A9 slot 3 & 4
*40: A10 slot 1 & 2
*41: A10 slot 3 & 4
*43: A11 slot 1 & 2
*44: A11 slot 3 & 4
*45: A12 slot 1 & 2
*46: A12 slot 3 & 4
*54: A13 slot 1 & 2
*55: A13 slot 3 & 4
*56: A14 slot 1 & 2
*59: A14 slot 3 & 4
*60: A15 slot 1 & 2
*61: A15 slot 3 & 4
*62: A16 slot 1 & 2
*63: A16 slot 3 & 4
 
==SLOT4F @ A2==
 
Current buffers for control lines.
 
*4: ROMOE
*5: ROMOEU
*16: ROMOEL
*17: RW
*19: AS
*20: PORTOEU
*32: PORTOEL
*33: PORTWEU
*36: PORTWEL
*37: PORTADRS


[[Category:Chips]]
[[Category:Chips]]

Latest revision as of 12:00, 24 March 2019

Package QFP64R
Manufacturer
First use 1992 ?
Used on SLOT4F

Just a bunch of buffers for second revision 4-slot MVS boards.

Pinouts

Generic


Edit this pinout

SLOT4F