Z86L71 Datasheet

IC型号：
Z86L71
PDF描述：
IR/Low-Voltage Microcontroller
文件大小：
349.92KB
PDF页数：
61页
芯片厂家：
ZILOG

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RELIMINARY

RODUCT

PECIFICATION

Z86L70/71/75/C71

IR/L

-V

OLTAGE

ICROCONTROLLER

FEATURES

Part

Z86L70

Z86L71

Z86L75

Z86C71

ROM

(KB)

RAM*

(Bytes)

125

237

I/O

Voltage

Ranges

2.0V to 3.9V

4.5V to 5.5V

鈥?/div>

One Programmable 16-Bit Counter/Timer with

One Capture Register

Programmable Input Glitch Filter for Pulse

Reception

Five Priority Interrupts

Low Voltage Detection and Protection

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 KOhm Pull-Ups on Ports 0, 2, 3

Note:

*General-Purpose

Two Standby Modes (Typical)

鈥?STOP - 2

碌

鈥?HALT - 0.8 mA

Special Architecture to Automate Both Generation and

Reception of Complex Pulses or Signals:

鈥?One Programmable 8-Bit Counter/Timer with Two

Capture Registers

GENERAL DESCRIPTION

The Z86L7X family of IR (Infrared)/Low-Voltage Microcon-

trollers are ROM/ROMless-based members of the Z8

庐

MCU single-chip family with 237/125 bytes of internal

RAM. The differentiating factor between these devices is

the availability of RAM, ROM and package options. Offer-

ing the 3V versions (Z86LXX) with the Z86C71 gives opti-

mum performance in both the low and high voltage ranges.

Zilog's CMOS Low-Voltage Microcontrollers offer fast exe-

cution, efficient use of memory, sophisticated interrupts, in-

put/output bit manipulation capabilities, automated pulse

generation/reception, and internal key-scan pull-up resis-

tors. The Z86L7X product line offers easy hardware/soft-

ware system expansion with cost-effective and low power

consumption.

The Z86L7X architecture is based on Zilog's 8-bit micro-

controller core with an Expanded Register File to allow ac-

cess to register mapped peripherals, I/O circuits, and pow-

erful counter/timer circuitry. The Z8

庐

MCU offers a flexible

I/O scheme, an efficient register and address space struc-

ture, and a number of ancillary features that are useful in

many consumer, automotive, computer peripheral, and

battery operated hand-held applications.

There are three basic address spaces available to support

a wide range of configurations: Program Memory, Register

File, and Expanded Register File. The register file is com-

posed of 256/144 bytes of RAM. It includes four I/O port

registers, 15 control and status registers and the rest are

General-Purpose registers. The Expanded Register File

consists of two additional register groups (F and D). Exter-

nal Memory is not available on 18 and 20-pin versions.

DS97LVO0500

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