DS83C530-QNL

更新时间： 2024-11-23 22:40:39

品牌	Logo	应用领域
美信 - MAXIM		微控制器外围集成电路可编程只读存储器电动程控只读存储器时钟
页数	文件大小	规格书
46页	745K
描述
EPROM/ROM Microcontrollers with Real-Time Clock

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DS83C530-QNL 数据手册

DS87C530/DS83C530

EPROM/ROM Microcontrollers with

Real-Time Clock

www.maxim-ic.com

FEATURES

PIN CONFIGURATIONS

Cꢀ 80C52 Compatible

TOP VIEW

8051 Instruction-Set Compatible

Four 8-Bit I/O Ports

Three 16-Bit Timer/Counters

256 Bytes Scratchpad RAM

Cꢀ Large On-Chip Memory

16kB EPROM (OTP)

1kB Extra On-Chip SRAM for MOVX

Cꢀ ROMSIZE Features

Selects Effective On-Chip ROM Size from

0 to 16kB

DALLAS

DS87C530

DS83C530

Allows Access to Entire External Memory Map

Dynamically Adjustable by Software

Useful as Boot Block for External Flash

Cꢀ Nonvolatile Functions

PLCC

On-Chip Real-Time Clock with Alarm Interrupt

Battery Backup Support of 1kB SRAM

WINDOWED LCC

Cꢀ High-Speed Architecture

4 Clocks/Machine Cycle (8051 = 12)

Runs DC to 33MHz Clock Rates

Single-Cycle Instruction in 121ns

Dual Data Pointer

Optional Variable Length MOVX to Access

DALLAS

DS87C530

DS83C530

Fast/Slow RAM /Peripherals

Cꢀ Power Management Mode

Programmable Clock Source Saves Power

Runs from (Crystal/64) or (Crystal/1024)

Provides Automatic Hardware and Software Exit

Cꢀ EMI Reduction Mode Disables ALE

Cꢀ Two Full-Duplex Hardware Serial Ports

TQFP

Cꢀ High Integration Controller Includes:

Power-Fail Reset

Early-Warning Power-Fail Interrupt

Programmable Watchdog Timer

Cꢀ14 Total Interrupt Sources with Six External

The High-Speed Microcontroller User’s Guide must

be used in conjunction with this data sheet. Download it

at: www.maxim-ic.com/microcontrollers.

DALLAS is a registered trademark of Dallas Semiconductor Corp.

MAXIM is a registered trademark of Maxim Integrated Products, Inc.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

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REV: 040104

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