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DS87C530-QCL Datasheet

  • DS87C530-QCL

  • EPROM MICRO WITH REAL TIME CLOCK

  • 40頁(yè)

  • DALLAS   DALLAS

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上傳產(chǎn)品規(guī)格書

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DS87C530
PRELIMINARY
DS87C530
EPROM Micro with Real Time Clock
FEATURES
PACKAGE OUTLINE
7
1
47
鈥?/div>
80C52 Compatible
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
8051 Instruction set
Four 8鈥揵it I/O ports
Three 16鈥揵it timer/counters
256 bytes scratchpad RAM
8
46
鈥?/div>
Large On鈥揷hip Memory
鈥?16KB EPROM (OTP)
鈥?1KB extra on鈥揷hip SRAM for MOVX
鈥?/div>
ROMSIZE
TM
Feature
鈥?Selects effective on鈥揷hip ROM size from
0 to 16KB
鈥?Allows access to entire external memory map
鈥?Dynamically adjustable by software
鈥?Useful as boot block for external Flash
鈥?/div>
On鈥揷hip Real Time Clock w/ Alarm Interrupt
鈥?/div>
Battery backup support of 1KB SRAM
DALLAS
DS87C530
20
21
39
52鈥揚(yáng)IN PLCC
52鈥揚(yáng)IN CER QUAD
27
33
34
鈥?/div>
Nonvolatile Functions
40
26
鈥?/div>
High鈥揝peed Architecture
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
4 clocks/machine cycle (8051 = 12)
Runs DC to 33 MHz clock rates
Single鈥揷ycle instruction in 121 ns
Dual data pointer
Optional variable length MOVX to access
fast/slow RAM /peripherals
DALLAS
DS87C530
52
14
13
52鈥揚(yáng)IN TQFP OUTLINE
鈥?/div>
Power Management Mode
鈥?Programmable clock source saves power
鈥?Runs from (crystal/64) or (crystal/1024)
鈥?Provides automatic hardware and software exit
DESCRIPTION
The DS87C530 is an 8051 compatible microcontroller
based on the Dallas High Speed core. It uses four clocks
per instruction cycle instead of 12 used by the standard
8051. It also provides a unique mix of peripherals not
widely available on other processors. They include an
on鈥揷hip Real Time Clock (RTC) and battery back up
support for an on鈥揷hip 1K x 8 SRAM. The new Power
Management Mode allows software to select reduced
power operation while still processing.
鈥?/div>
EMI Reduction Mode disables ALE
鈥?/div>
High integration controller includes:
鈥?Power鈥揻ail reset
鈥?Early鈥搘arning power鈥揻ail interrupt
鈥?Programmable Watchdog timer
鈥?/div>
Two full鈥揹uplex hardware serial ports
鈥?/div>
14 total interrupt sources with 6 external
ECopyright
1995 by Dallas Semiconductor Corporation.
All Rights Reserved. For important information regarding
patents and other intellectual property rights, please refer to
Dallas Semiconductor data books.
022197 1/40

DS87C530-QCL 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 23

  • 集成電路 (IC)

  • 嵌入式 - 微控制器，

  • 87C

  • 8051

  • 8-位

  • 33MHz

  • EBI/EMI，SIO，UART/USART

  • 電源故障復(fù)位，WDT

  • 32

  • 16KB（16K x 8）

  • OTP

  • -

  • 1K x 8

  • 4.5 V ~ 5.5 V

  • -

  • 外部

  • 0°C ~ 70°C

  • 52-LCC（J 形引線）

  • 管件

  • DS87C530QCL

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