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