GENERAL DESCRIPTION

Zilogs Z86L04/L08 microcontrollers (MCUs) are members of the Z8 single-chip MCU family, which offer easy software/hardware system expansion.

FEATURES

■ 18-Pin DIP and SOIC Packages

■ 0 °C to + 70 °C Standard Temperature

■ 2.0V to 3.9V Operating Range

■ 14 Input / Output Lines

■ Five Vectored, Prioritized Interrupts from Five Different

Sources

■ Two On-Board Comparators

■ Software Enabled Watch-Dog Timer (WDT)

■ Programmable Interrupt Polarity

■ Two Standby Modes: STOP and HALT

■ Low-Voltage Protection

■ ROM Mask/OTP Options:

– ROM Protect

– Auto Latch Disable

– Permanent Watch-Dog Timer (WDT)

– RC Oscillator

– 32 kHz Crystal Operation

– Low EMI

– WDT Clock Source (Z86L04 only)

■ Two Programmable 8-Bit Counter/Timers with

6-Bit Programmable Prescalers

■ Power-On Reset (POR) Timer

■ On-Chip Oscillator that Accepts RC, Crystal, Ceramic

Resonator, LC, or External Clock Drive

■ Clock-Free WDT Reset

■ Low-Power Consumption (40 mw)

■ Fast Instruction Pointer (1.5 μs @ 8 MHz)

■ Fourteen Digital Inputs at CMOS Levels;

Schmitt-Triggered