the listing is for 3 in 1 ZX Spectrum DivMMC interface with AY-3-8910 sound & Kempston joystick interface, ideal Speccy extension for retro gaming
- compact Retro style using "classic" through hole memory chips 128kB RAM, 8kB EEPROM and AY 3-8910
- 3.5mm jack connector for connecting headphones or external amplifier
- 1 x micro SD card slot
- comes with SD card, preinstalled with ESXDOS, games and demos
- DB9 connector for Kempston joystick, the joystick function can be disabled by jumper removal
- add jumper for compatibility with +2A/+3 models
- independent 4MHz local oscillator and improved ROMCS signal level for the maximal compatibility with all ZX Spectrum models and clones
- Kempston and AY logic implemented in CPLD
- AY 3-8910 uses its own oscillator 1.789Mhz independent from the system clock