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VS1033 - MP3/AAC/WMA/MIDI AUDIO CODEC - VLSI Solution

VS1033 - MP3/AAC/WMA/MIDI AUDIO CODEC - VLSI Solution

VS1033 - MP3/AAC/WMA/MIDI AUDIO CODEC - VLSI Solution

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<strong>VLSI</strong><strong>Solution</strong> y<strong>VS1033</strong>c<strong>VS1033</strong>C10. <strong>VS1033</strong> REGISTERS10.7 GPIO RegistersGPIO registers, prefix GPIOReg Type Reset Abbrev[bits] Description0xC017 rw 0 DDR[7:0] Direction0xC018 r 0 IDATA[7:0] Values read from the pins0xC019 rw 0 ODATA[7:0] Values set to the pinsGPIO DIR is used to set the direction of the GPIO pins. 1 means output. GPIO ODATA remembers itsvalues even if a GPIO DIR bit is set to input.GPIO registers don’t generate interrupts.Note that in <strong>VS1033</strong> the VSDSP registers can be read and written through the SCI WRAMADDR andSCI WRAM registers. You can thus use the GPIO pins quite conveniently.Version 1.00, 2008-02-01 61

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