31 lines
626 B
Markdown
31 lines
626 B
Markdown
<!--
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---
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name: GPCLK
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class: interface
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type: pinout
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description: Raspberry Pi General Purpose Clock
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pin:
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'bcm4':
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name: GPCLK0
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'bcm5':
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name: GPCLK1
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'bcm6':
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name: GPCLK2
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-->
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#GPCLK - General Purpose CLock
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General Purpose Clock pins can be set up to output a fixed frequency without any ongoing software control.
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The following clock sources are available:
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```
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0 0 Hz Ground
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1 19.2 MHz oscillator
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2 0 Hz testdebug0
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3 0 Hz testdebug1
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4 0 Hz PLLA
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5 1000 MHz PLLC (changes with overclock settings)
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6 500 MHz PLLD
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7 216 MHz HDMI auxiliary
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8-15 0 Hz Ground
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``` |