Super Nintendo

The Super Nintendo (SNES) uses a Ricoh 5A22 CPU running at 3.58 MHz, 128 KB of work RAM and 128 KB of VRAM, and features two Picture Processing Units (PPUs) to handle graphics and effects like simulated 3D and Mode 7. Its sound system includes a Sony SPC700 CPU and DSP, 8 sound channels, and 64 KB of sound RAM. The SNES supports a resolution of 256x224, 32,768 possible colors, 128 sprites on-screen, and a maximum sprite size of 64x64 pixels.  

Here are the key technical specifications of the Super Nintendo:

Processor & Memory 

• CPU: Ricoh 5A22 (a 65C816-based microprocessor)
• CPU Speed: 3.58 MHz
• Work RAM (WRAM): 128 KB (128 Kbyte)
• Video RAM (VRAM): 64 KB

Graphics

• Picture Processing Units (PPUs): Two specialized ICs (PPU1 and PPU2) responsible for rendering graphics and applying effects 
• Resolution: 256 x 224 pixels 
• Maximum Resolution: 512 x 448 pixels (in high-res and interlaced modes) 
• Colors: A palette of 32,768 colors, with 256 colors on-screen 
• Sprites:
  • Maximum on-screen sprites: 128 
  • Maximum sprite size: 64 x 64 pixels 

Sound 

• Sound CPU: 8-bit Sony SPC700 processor
• Sound DSP: A 16-bit Digital Signal Processor for mixing samples
• Sound Channels: 8 channels using ADPCM (Asymmetric Digital Subscriber Line) audio
• Sound RAM (ARAM): 64 KB of PSRAM (Pseudo-Static RAM)

Other Features

• DMA (Direct Memory Access): 8-channel DMA for fast data transfers, including Horizontal DMA (H-DMA) 
• Interrupts: Generates non-maskable interrupts (NMIs) on vertical blanking and IRQs (interrupt requests) on specific screen positions 
• Controller Ports: Designed for serial and parallel access to controller data 
• Cartridge Size: Ranged from 2 to 48 Megabits (Mb)