GENERAL DESCRIPTION

The Z86L79/L80 family of IR (InfraRed) Controllers are ROM-based members of the Z8? MCU single-chip microcontroller family with 237 bytes of general-purpose RAM.

FEATURES

■ Three Standby Modes (Typical)

– STOP - 2 μA

– HALT - 0.8 mA

– Low Voltage Standby (

■ Expanded Register File Control Registers

■ Special Architecture to Automate Both Generation and

Reception of Complex Pulses or Signals:

– One Programmable 8-Bit Counter/Timer with Two

Capture Registers

– One Programmable 16-Bit Counter/Timer with

One Capture Register

– Programmable Input Glitch Filter for Pulse

Reception

■ Five Priority Interrupts

■ Low Voltage Detection and Standby Mode

■ Watch-Dog/Power-On Reset Circuits

■ Two Independent Comparators with Programmable

Interrupt Polarity

■ On-Chip Oscillator that Accepts a Crystal, Ceramic

Resonator, LC, RC, or External Clock Drive

■ Mask Selectable 200 kOhm Pull-Ups on Ports 0, 2, 3

– All Eight Port 2 Bits at One Time or Not

– Pull-Ups Automatically Disabled Upon

Selecting Individual Pins as Outputs.

■ Maskable SingleTrip Point Inputs on P00 Through P03.

■ Permanently Enabled WDT Option (Maskable)

■ 28-Pin DIP and SOIC Packages