Super NES

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CPU reference
Processor	Ricoh 5A22, based on a 16-bit 65c816 core
Clock rates (NTSC)	Input: 21.47727 MHz Bus: 3.58 MHz, 2.68 MHz, or 1.79 MHz
Clock rates (PAL)	Input: 21.28137 MHz Bus: 3.55 MHz, 2.66 MHz, or 1.77 MHz
Buses	24-bit and 8-bit address buses, 8-bit data bus
Additional features	DMA and HDMA Timed IRQ Parallel I/O processing Hardware multiplication and division

Video reference
Resolutions	Progressive: 256×224, 512×224, 256×239, 512×239 Interlaced: 512×448, 512×478
Pixel depth	2, 4, 7, or 8 bpp indexed; 8 or 11 bpp direct
Total colors	32768 (15-bit)
Sprites	128, 32 max per line; up to 64 × 64 pixels
Backgrounds	Up to 4 planes; each up to 1024 × 1024 pixels
Effects	Pixelization (mosaic) per background Color addition and subtraction Clipping windows (per background, affecting color, math, or both) Scrolling per 8 × 8 tile Mode 7 matrix operations

Audio reference
Processors	Nintendo S-SMP
Clock rates	Input: 24.576 MHz SPC700: 1.024 MHz
Format	8 channel ADPCM
Output	32 kHz 16-bit stereo
Effects	ADSR envelope control Frequency scaling and modulation using Gaussian interpolation Echo: 8-tap FIR filter, with up to .24s delay Noise generation

Memory reference
Main RAM	128 kB
Video RAM	64 kB main RAM 512 + 32 bytes sprite RAM 256 × 15 bits palette RAM
Audio RAM	64 kB