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
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