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Z86C15

Part Number	Z86C15
Manufacturer	Zilog.
Description	CMOS Z8 8-BIT MCU KEYBOARDCONTROLLER
Published	Apr 16, 2005
Detailed Description	Z86C15 CP96KEY0603 CUSTOMERPROCUREMENTSPECIFICATION Z86C15 CMOS Z8® 8-BIT MCU KEYBOARDCONTROLLER FEATURES ROM (Kbytes)...
Datasheet	Z86C15 PDF File

Overview

Z86C15 CP96KEY0603 CUSTOMERPROCUREMENTSPECIFICATION Z86C15 CMOS Z8® 8-BIT MCU KEYBOARDCONTROLLER FEATURES ROM (Kbytes) 4 RAM* (Bytes) 236 I/O Lines 32 Speed (MHz) 5 Pin Count / Package 40 DIP 44 PLCC 44 QFP n Six Vectored, Priority Interrupts from Six Different Sources Two Programmable 8-Bit Counter/Timers, Each with 6-Bit Programmable Prescaler Power-On Reset (POR) Timer, Hardware Watch-Dog Timer (WDT) Digital Inputs CMOS Levels with Internal Pull-Up Resistors Four Direct Connect LED Drive Ports On-Chip RC Oscillator, 4 MHz to 5 MHz n * General-Purpose n n n n n 4.
5- to 5.
5-Volt Operating Range n 0 °C to 70 °C Operating Temperature Range Expanded Register File Low-Power Consumption: 30 mW @ 5 MHz Typical n n GENERAL DESCRIPTION The Z86C15 Keyboard Controller is a full-featured member of the Z8 ® microcontroller family offering a unique register-to-register architecture that avoids accumulator bottlenecks and is more code efficient than RISC processors.
For applications demanding powerful I/O capabilities, the Z86C15 provides 32 pins dedicated to input and output.
These lines are grouped into four ports, each port consisting of eight lines, and are configurable under software control to provide timing, status signals, and serial or parallel I/O ports.
Two on-chip counter/timers, with a large number of userselectable modes, are available to relieve the system of administering real-time tasks, such as counting/timing and I/O datacommunications.
Six different internal or external interrupt sources are maskable and prioritized so a vectored address is provided for efficient interrupt subroutine handling and multitasking functions.
The Z86C15 achieves low-EMI by means of several modifications in the output drivers and clock circuitry of the device.
By means of an expanded register file, the designer has access to three additional system control registers that provide extra peripheral devices, I/O ports, and register addresses (see Functional Block Diagram).
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