DS87C530-QCL+ Analog Devices

DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock www.maxim-ic.com FEATURES PIN CONFIGURATIONS 80C52 Compatible TOP VIEW 8051 Instruction-Set Compatible Four 8-Bit I/O Ports 7 1 47 Three 16-Bit Timer/Counters 8 46 256 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 DALLAS 0 to 16kB DS87C530 Allows Access to Entire External Memory Map DS83C530 Dynamically Adjustable by Software 20 34 Useful as Boot Block for External Flash 21 33 Nonvolatile Functions PLCC, WINDOWED CLCC On-Chip Real-Time Clock with Alarm Interrupt Battery Backup Support of 1kB SRAM High-Speed Architecture 39 27 4 Clocks/Machine Cycle (8051 = 12) Runs DC to 33MHz Clock Rates 40 26 Single-Cycle Instruction in 121ns Dual Data Pointer Optional Variable Length MOVX to Access DALLAS DS87C530 Fast/Slow RAM /Peripherals DS83C530 Power Management Mode Programmable Clock Source Saves Power 52 14 Runs from (crystal/64) or (crystal/1024) Provides Automatic Hardware and Software Exit 1 13 EMI Reduction Mode Disables ALE TQFP Two Full-Duplex Hardware Serial Ports High Integration Controller Includes: Power-Fail Reset Early-Warning Power-Fail Interrupt The High-Speed Microcontroller Users Guide must Programmable Watchdog Timer be used in conjunction with this data sheet. Download it at: www.maxim-ic.com/microcontrollers. 14 Total Interrupt Sources with Six External 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. 1 of 45 REV: 071107 DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock ORDERING INFORMATION MAX CLOCK PART TEMP RANGE SPEED PIN-PACKAGE (MHz) DS87C530-QCL 33 52 PLCC 0 C to +70 C DS87C530-QCL+ 33 52 PLCC 0 C to +70 C DS87C530-QNL 33 52 PLCC -40 C to +85C DS87C530-QNL+ 33 52 PLCC -40 C to +85C DS87C530-KCL* 33 52 Windowed CLCC 0 C to +70 C DS87C530-ECL 33 52 TQFP 0 C to +70 C DS87C530-ECL+ 33 52 TQFP 0 C to +70 C DS87C530-ENL 33 52 TQFP -40 C to +85C DS87C530-ENL+ 33 52 TQFP -40 C to +85C DS83C530-QCL 33 52 PLCC 0 C to +70 C DS83C530-QCL+ 33 52 PLCC 0 C to +70 C DS83C530-QNL 33 52 PLCC -40 C to +85C DS83C530-QNL+ 33 52 PLCC -40 C to +85C DS83C530-ECL 33 52 TQFP 0 C to +70 C DS83C530-ECL+ 33 52 TQFP 0 C to +70 C DS83C530-ENL 33 52 TQFP -40 C to +85C DS83C530-ENL+ 33 52 TQFP -40 C to +85C + Denotes a lead(Pb)-free/RoHS-compliant device. * The windowed ceramic LCC package is intrinsically lead(Pb) free. 2 of 45