DS87C530 Overview
DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock .maxim-ic.
DS87C530 Key Features
- 80C52 patible 8051 Instruction-Set patible 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 Dynamical
- 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 121n
- Power Management Mode Programmable Clock Source Saves Power Runs from (crystal/64) or (crystal/1024) Provides Automatic
- EMI Reduction Mode Disables ALE
- Two Ful