emul/pico-zxspectrum
emul/pico-zxspectrum
1
0
Fork 0
mirror of https://github.com/fruit-bat/pico-zxspectrum.git synced 2025-04-17 12:57:03 +03:00
Code
pico-zxspectrum/docs/ZxSpectrumCVBS.md
Phil b32f87e205 cvbs
2024-12-27 22:01:12 +00:00

953 B
Raw Permalink Blame History

ZxSpectrumI2SAudioVga1111Ps2_CVBSx50Hz

This is a target based on ZxSpectrum4PinAudioVga1111Ps2 but it generates timings compatible with composite PAL TV.

It can be connected to a black and white set with a help of this schematic: image Alternatively RGBI outputs can be connected to a PAL modulator.

It supports the following:

  • USB keyboard
  • PS/2 keyboard (untested)
  • USB joysticks
  • VGA video (RGBY1111)
  • I2S sound
  • SPI SD card
  • Serial port debug

This target uses I2S DAC (PCM5102).

Pin Function
2 SD SCK
3 SD MOSI
4 SD MISO
5 SD CS
12 RED
13 GREEN
14 BLUE
15 INTENSITY
16 CSYNC
26 I2S DATA
27 I2S BCLK
28 I2S LRCK

Firmware

Display Audio Firmware Pico Firmware Pico 2
CVBS 50Hz I2S ZxSpectrumI2SAudioVga1111Ps2_CVBSx50Hz