ST8152B rev.A

• 80C152
• 32k RAM-Battery backup
• 32k ROM
• Async RS-232
• Opto/isolated SDLC RS-485
• I2C
• Eeprom & clock
• Watchdog
• Extended I/O-system
  2x opto counter-inputs
  14x opto inputs
  4x power output
• 24 V DC/DC power supply