Pokey Pinout Diagram

A vector graphic pinout is also available in Encapsulated PostScript format.

Key

• A0-A3: Memory address bus
• D0-D7: Memory data bus
• Vss: Ground (?)
• Ø2: Phase 2 clock input
• P0-P7: Paddle inputs
• KR1-KR2: Keyboard row strobe
• Vcc: +5V power
• K0-K5: Keyboard input
• SID: Serial input data
• BCLK: Bidirectional clock
• OCLK (ACLK in the diagram): Serial output clock
• SOD: Serial output data
• IRQ: Interrupt request output to CPU
• CS0-CS1: Chip select
• R/W: Read/write direction
• AUD: Audio output

Note: The information here is more fully documented in Atari's technical documents.

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