MINI-MAX/11-A is a general purpose, low-cost highly-reliable, and highly expandable micro-controller system. It is based on the Freescale (Motorola) MC68HC11CPU4 high performance micro-controller unit (MCU)

• 1024 bytes of RAM
• 512 bytes of EEPROM
• 21 Interrupt Sources, Real-time interrupt circuit
• Enhanced 16-bit Timer System, 3 or 4 Input Capture (IC) and 4 or 5 Output Capture (OC) Functions
• 8-bit Pulse Accumulator
• Synchronous Serial Peripheral Interface (SPI)
• Asynchronous Non-return to Zero (NRZ) Serial Communication Interface (SCI)
• Eight-channel 8-bit ADC
• Computer Operating Properly (COP) Watchdog System and Clock Monitor
• Up to 6 MHz bus speed
• 32 K - bytes FRAM - high endurance (10 Billions read/writes) ferroelectric nonvolatile memory for program and data
• 6-bit Output expander to control LCD module
• RS232 Serial Port
• Precision reference voltage source for ADC
• Micro-controller supervisor
• Keypad connector
• Instrumentation amplifiers
• Pressure inputs
• Strain-gage inputs
• 12 and 16-bit Analog-to-Digital Converters
• Digital Input/Output cards
• LED and LCD displays