GENERAL DESCRIPTION
The Z86233/243 Consumer Controller Processor is a member of Zilogs Z8® single-chip microcontroller family featuring enhanced wake-up circuitry, programmable Watch-Dog timers and low-EMI options. The parts provide flexible and efficient growth paths for designers currently using the 4K ROM versions of the consumer controller devices (Z86C30/C40/C33/C43).
   
FEATURES   
■ 3.0-to 5.5-Volt Operating Range
■ Low-Power Consumption: 40 mW (Typical @5.0V)
■ 0°C to +70°C Temperature Range
    (–40°C to +105°C Temperature Range Available)
■ Three Expanded Register File Control Registers
■ Z86C33/C43 Pin and Package Compatible Version
    (With Addition of 4K ROM)   
■ 32 Input/Output Lines (Three with Comparator Inputs)
    (Z86243 Only)
■ Vectored, Prioritized Interrupts with Programmable
    Polarity
■ Two Comparators
■ Two Programmable 8-Bit Counter/Timers, Each
    with a 6-Bit Programmable Prescaler
■ Watch-Dog Timer (WDT)/Power-On Reset (POR)
■ On-Chip Oscillator that Accepts a Crystal, Ceramic
    Resonator, LC, RC, or External Clock Drive
■ RAM and ROM Protect
■ Clock Free Watch-Dog Timer (WDT) Reset