GENERAL DESCRIPTION

The Z86E30/E31/E40 8-Bit One-Time Programmable (OTP) Microcontrollers are members of Zilogs single-chip Z8? MCU family featuring enhanced wake-up circuitry, programmable Watch-Dog Timers, Low Noise EMI options, and easy hardware/software system expansion capability.

FEATURES

■ Standard Temperature (VCC = 3.5V to 5.5V)

■ Extended Temperature (VCC = 4.5V to 5.5V)

■ Available Packages:

28-Pin DIP/SOIC/PLCC OTP (Z86E30/31 only)

28-Pin DIP Window (Z86E30/31 only)

40-Pin DIP OTP/Window (Z86E40 only)

44-Pin PLCC/QFP OTP (Z86E40 only)

44-Pin PLCC Window (Z86E40 only)

■ Software Enabled Watch-Dog Timer (WDT)

■ Push-Pull/Open-Drain Programmable on Port 0, Port 1, and Port 2

■ 24/32 Input/Output Lines

■ Auto Latches

■ Auto Power-On Reset (POR)

■ Programmable OTP Options:

RC Oscillator

EPROM Protect

Auto Latch Disable

Permanently Enabled WDT

Crystal Oscillator Feedback Resistor Disable

RAM Protect

■ Low-Power Consumption: 60 mW

■ Fast Instruction Pointer: 0.75 μs

■ Two Standby Modes: STOP and HALT

■ Digital Inputs CMOS Levels, Schmitt-Triggered

■ Software Programmable Low EMI Mode

■ Two Programmable 8-Bit Counter/Timers Each with a 6-Bit Programmable Prescaler

■ Six Vectored, Priority Interrupts from Six Different Sources

■ Two Comparators

■ On-Chip Oscillator that Accepts a Crystal, Ceramic Resonator, LC, RC, or External Clock Drive