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Address Bus A: Difference between revisions
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'''Address Bus A''' is a 24-bit bus on the SNES. It is drawn in orange in the colorized | '''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: | |||
* pins 2-17 and 93-100 of the [[S-CPU]] | |||
* pins 23-42 of [[WRAM]] | |||
* pins 5-17 and 37-48 of the [[Cartridge Slot]] | |||
It is 24 bits wide because that is how big the SNES' address space is. | |||
[[File:Bus A.png|thumb]] | |||
=== See Also === | |||
* [[Address Bus B]] | |||
* [[CPU Data Bus]] | |||
=== Reference === | |||
# Figure 2-22-1, "Super NES Functional Block Diagram" on [https://archive.org/details/SNESDevManual/book1/page/n98 page 2-22-2 of Book I] | |||
[[Category:SNES Hardware]] | [[Category:SNES Hardware]] | ||
[[Category:Traces]] | [[Category:Traces]] | ||
[[Category:Buses]] | |||
Latest revision as of 16:45, 29 December 2023
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:
- pins 2-17 and 93-100 of the S-CPU
- pins 23-42 of WRAM
- pins 5-17 and 37-48 of the Cartridge Slot
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