Maxim Integrated DS87C520
EPROM/ROM High-Speed Microcontrollers
| Part No. | DS87C520 |
|---|---|
| Datasheet | DS87C520 Download |
| Manufacturer |  Maxim Integrated |
| Description | EPROM/ROM High-Speed Microcontrollers |
| Buy | Stock & Price |
FEATURES
● 80C52 Compatible 8051 Pin- and Instruction-Set Compatible Four 8-Bit I/O Ports Three 16-Bit Timer/Counters 256 Bytes Scratchpad RAM● Large On-Chip Memory 16kB Program Memory 1kB Extra On-Chip SRAM for MOVX
● ROMSIZE Feature Selects Internal ROM Size from 0 to 16kB Allows Access to Entire External Memory Map Dynamically Adjustable by Software Useful as Boot Block for External Flash
● 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 to Save Power CPU 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-
