PlayStation 2 Architecture: Overshadowing the Rest by Rodrigo Copetti

Author:Rodrigo Copetti [Copetti, Rodrigo]
Language: eng
Format: epub
Tags: Nonfiction, Computers, Advanced Computing, Engineering, Computer Architecture, Application Software, Computer Graphics, Computer Science
ISBN: 9798201365622
Amazon: B0B69Y41LR
Goodreads: 62908894
Published: 2020-04-07T16:30:00+00:00

8 I/O

The I/O of the PS2 is not complicated, yet multiple revisions of this console completely changed various internal and external interfaces.

To start with, there’s a dedicated processor that arbitrates the communication between different components, this CPU is no other than the original MIPS R3000-based core found in the PlayStation 1. This time, it’s called IOP and runs at 37.5 MHz using a 32-bit bus [9].

The IOP communicates with the Emotion Engine using a specialised I/O interface called System Interface or ‘SIF’, both endpoints use their DMA units to transfer data between each other. The IOP also contains its own memory used as a buffer.

The IOP gives access to the front ports, DVD controller, SPU2, the BIOS ROM and the PC card slot.

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