We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
Address Bus B: Difference between revisions
From SnesLab
(see also) |
(linkify SNES motherboard) |
||
| Line 1: | Line 1: | ||
'''Address Bus B''', also known as the SNES bus, is 8-bits wide on the SNES | '''Address Bus B''', also known as the SNES bus, is 8-bits wide on the [[SNES Motherboard]]. Its individual address lines are labeled PA0-PA7, which stands for "peripheral address," as in [[S-CPU]] peripherals (not SNES peripherals). It is connected to: | ||
* pins 51-58 of the [[S-CPU]] | * pins 51-58 of the [[S-CPU]] | ||
Revision as of 08:14, 13 July 2023
Address Bus B, also known as the SNES bus, is 8-bits wide on the SNES Motherboard. Its individual address lines are labeled PA0-PA7, which stands for "peripheral address," as in S-CPU peripherals (not SNES peripherals). It is connected to:
- pins 51-58 of the S-CPU
- pins 5-12 of S-PPU1
- pins 43-50 and 53-54 of WRAM
- pins 28-30 and 59-61, 3 and 34 of the Cartridge Slot
- pins 1-8 of the Expansion Port
- the S-SMP
- S-PPU2
It is drawn in purple in the colorized jwdonal schematic.