DS83C530-QNL datasheet, PDF - EEWORLD Datasheet

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DS83C530-QNL: Description8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQCC52; CategoryThe embedded processor and controller Microcontrollers and processors; File Size866KB，47 Pages; ManufacturerDALLAS; Websitehttp://www.dalsemi.com

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DS83C530-QNL Overview

8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQCC52

DS83C530-QNL Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	DALLAS
package instruction	TQFP-52
Reach Compliance Code	unknown
Has ADC	NO
Address bus width	16
bit size	8
CPU series	8051
maximum clock frequency	33 MHz
DAC channel	NO
DMA channel	NO
External data bus width	8
JESD-30 code	S-PQFP-G52
JESD-609 code	e0
Number of I/O lines	32
Number of terminals	52
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
PWM channel	NO
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC52,.8SQ
Package shape	SQUARE
Package form	FLATPACK
power supply	5 V
Certification status	Not Qualified
RAM (bytes)	1280
rom(word)	16384
ROM programmability	OTPROM
speed	33 MHz
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	QUAD
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER
Base Number Matches	1

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DS87C530/DS83C530

EPROM/ROM Microcontrollers with

Real-Time Clock

www.maxim-ic.com

FEATURES

80C52 Compatible

8051 Instruction-Set Compatible

Four 8-Bit I/O Ports

Three 16-Bit Timer/Counters

256 Bytes Scratchpad RAM

Large On-Chip Memory

16kB EPROM (OTP)

1kB Extra On-Chip SRAM for MOVX

ROMSIZE Features

Selects Effective On-Chip ROM Size from

0 to 16kB

Allows Access to Entire External Memory Map

Dynamically Adjustable by Software

Useful as Boot Block for External Flash

Nonvolatile Functions

On-Chip Real-Time Clock with Alarm Interrupt

Battery Backup Support of 1kB SRAM

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

Fast/Slow RAM /Peripherals

Power Management Mode

Programmable Clock Source Saves Power

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

Provides Automatic Hardware and Software Exit

EMI Reduction Mode Disables ALE

Two Full-Duplex Hardware Serial Ports

High Integration Controller Includes:

Power-Fail Reset

Early-Warning Power-Fail Interrupt

Programmable Watchdog Timer

14 Total Interrupt Sources with Six External

PIN CONFIGURATIONS

TOP VIEW

DALLAS

DS87C530

DS83C530

PLCC, WINDOWED CLCC

DALLAS

DS87C530

DS83C530

TQFP

The

High-Speed Microcontroller User’s Guide

must

be used in conjunction with this data sheet. Download it

at:

www.maxim-ic.com/microcontrollers

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: 071107

DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock

DETAILED DESCRIPTION

The DS87C530/DS83C530 EPROM/ROM microcontrollers with a real-time clock (RTC) are 8051-

compatible microcontrollers based on the Dallas Semiconductor high-speed core. They use 4 clocks per

instruction cycle instead of the 12 used by the standard 8051. They also provide a unique mix of

peripherals not widely available on other processors. They include an on-chip RTC and battery backup

support for an on-chip 1k x 8 SRAM. The new Power Management Mode allows software to select

reduced power operation while still processing.

A combination of high-performance microcontroller core, RTC, battery-backed SRAM, and power

management makes the DS87C530/DS83C530 ideal for instruments and portable applications. They also

provide several peripherals found on other Dallas high-speed microcontrollers. These include two

independent serial ports, two data pointers, on-chip power monitor with brownout detection and a

watchdog timer.

Power Management Mode (PMM) allows software to select a slower CPU clock. While default operation

uses four clocks per machine cycle, the PMM runs the processor at 64 or 1024 clocks per cycle. There is a

corresponding drop in power consumption when the processor slows.

The EMI reduction feature allows software to select a reduced emission mode. This disables the ALE

signal when it is unneeded.

The DS83C530 is a factory mask ROM version of the DS87C530 designed for high-volume, cost-

sensitive applications. It is identical in all respects to the DS87C530, except that the 16kB of EPROM is

replaced by a user-supplied application program. All references to features of the DS87C530 will apply to

the DS83C530, with the exception of EPROM-specific features where noted. Please contact your local

Dallas Semiconductor sales representative for ordering information.

Note:

The DS87C530/DS83C530 are monolithic devices. A user must supply an external battery or super

cap and a 32.768kHz timekeeping crystal to have permanently powered timekeeping or nonvolatile RAM.

The DS87C530/DS83C530 provide all the support and switching circuitry needed to manage these

resources.

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