DS87C530-QCL+ IC MCU 8BIT 16KB OTP 52PLCC Analog Devices Inc./Maxim Integrated
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Detailed Product Description
Product Details
DETAILED DESCRIPTIONThe 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.
FEATURES■ 80C52 Compatible8051 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
Specifications
Functional compatible componentForm,Package,Functional compatible component
Descriptions8051 87C Microcontroller IC 8-Bit 33MHz 16KB (16K x 8) OTP 52-PLCC
(19.13x19.13) 8-bit Microcontrollers - MCU EPROM MCU w/RTC |
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