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GENERAL DESCRIPTION

The Z86U18 USB Controller is a member of the Z8¨ MCU family. The Z86U18 is characterized by a flexible I/O scheme, an efficient register architecture, and a number of ancillary features. It contains a dedicated USB interface (transceiver and SIE).

For applications demanding powerful I/O capabilities, the Z86U18 (40- and 44-pin versions) provides 32 pins dedicated to application input and output. These lines are grouped into four ports, each port consists of eight lines and are configurable under software control to provide timing, status signals, and serial or parallel I/O ports. It also has 2 pins to connect directly to the USB cable.

FEATURES

■ USB Serial Interface Engine, Transceiver, and MCU Intergrated for USB Function Controller

■ +4.0V to +5.5V Operating Range

■ Low Power Consumption: 60 mW @ 6 MHz

■ Digital Inputs CMOS Levels with Internal Pull-Up Resistors

■ Four Direct Connect LED Drive Ports

■ Power-On Reset (POR), Hardware Watch-Dog Timer (WDT)

■ Intergrated USB Transceiver @ 1.5 Mb/sec

■ For Use In A Variety of Applications Including Keyboards and Game Controllers

■ Programmable 8-Bit Counter/Timer, with 6-Bit Programmable Prescaler

■ Five Vectored, Priority Interrupts from Five Different Sources

■ On-Chip Oscillator, Which Accepts A Crystal, Ceramic Resonator, LC or External Clock Drive (all clock speeds @ 6 MHz)

■ Low System EMI Emission

■ HALT/STOP Modes