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GENERAL DESCRIPTION

The Z86LXX family of IR (Infrared) CCP? (Consumer Controller Processor) Controllers are ROM/ROMless-based members of the Z8? single-chip microcontroller family with 256 bytes of internal RAM. The differentiating factor between these devices is the availability of ROM, and pack age options. For the 40 and 44-pin devices the use of external memory enables these Z8 microcontrollers to be used where code flexibility is required.

■ Low Power Consumption - 40 mW (Typical)

■ Three Standby Modes

– STOP

– HALT

– Low Voltage

■ 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 16-Bit Capture Register

– Programmable Input Glitch Filter for Pulse Reception

■ Five Priority Interrupts

– Three External

– Two Assigned to Counter/Timers

■ Low Voltage Detection and Standby Mode

■ Programmable Watch-Dog/Power-On Reset Circuits

■ Two Independent Comparators with Programmable Interrupt Polarity

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

■ Mask Selectable 200 kOhms 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 Mouse/Trackball Interface on P00 Through P03.

■ 32 kHz Oscillator Mask Option