GENERAL DESCRIPTION
Zilog’s Z86C04/C08 are members of the Z8® MCU single chip microcontroller family which offer easy software/hard ware system expansion.
For applications demanding powerful I/O capabilities, the Z86C04/C08’s dedicated input and output lines are grouped into three ports, and are configurable under software control to provide timing, status signals, or parallel I/O.

FEATURES
■ 18-Pin DIP and SOIC Packages
■ 3.0V to 5.5V Operating Range
■ Available Temperature Ranges
   A = –40°C to +125°C
   E = –40°C to +105°C
   S = 0°C to +70°C
■ 14 Input / Output Lines
■ Six Vectored, Prioritized Interrupts from Six Different Sources
■ Two On-Board Comparators
■ ROM Mask Options:
   – Low Noise
   – ROM Protect
   – Auto Latch
   – System Clock Driving WDT (Z86C04 only)
   – Permanent Watch-Dog Timer (WDT)
   – RC Oscillator
   – 32 kHz Operation
■ Two Programmable 8-Bit Counter/Timers, Each with 6-Bit Programmable Prescaler
■ Power-On Reset (POR) Timer
■ On-Chip Oscillator that Accepts RC, Crystal, Ceramic Resonance, LC, or External Clock Drive
■ Clock-Free WDT Reset
■ Low-Power Consumption (50mw)
■ Fast Instruction Pointer (1.0 µs @ 12 MHz)
■ Fourteen Digital Inputs at CMOS Levels; Schmitt-Triggered
■ Software Enabled Watch-Dog Timer
■ Programmable Interrupt Polarity
■ Two Standby Modes: STOP and HALT
■ Low-Voltage Protection