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 A: Difference between revisions
From SnesLab
(added diagram) |
(what it is connected to is more important usually) |
||
| Line 2: | Line 2: | ||
It is connected to: | It is connected to: | ||
* pins 2-17 and 93-100 | * [[S-CPU]] pins 2-17 and 93-100 | ||
* [[WRAM]] pins 23-42 | |||
* [[Cartridge Slot]] pins 5-17 and 37-48 | |||
It is 24 bits wide because that is how big the SNES' address space is. | It is 24 bits wide because that is how big the SNES' address space is. | ||
Revision as of 02:44, 13 July 2024
Address Bus A is a 24-bit bus on the SNES. It is drawn in orange in the colorized jwdonal schematic, and its individual address lines are labeled CA0-CA23.
It is connected to:
- S-CPU pins 2-17 and 93-100
- WRAM pins 23-42
- Cartridge Slot pins 5-17 and 37-48
It is 24 bits wide because that is how big the SNES' address space is.
See Also
Reference
- Figure 2-22-1, "Super NES Functional Block Diagram" on page 2-22-2 of Book I