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DS83C530-QCL Datasheet

  • DS83C530-QCL

  • EPROM/ROM Microcontrollers with Real-Time Clock

  • 745.24KB

  • 46頁

  • MAXIM   MAXIM

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DS87C530/DS83C530
EPROM/ROM Microcontrollers with
Real-Time Clock
www.maxim-ic.com
FEATURES
摟
80C52 Compatible
8051 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
DALLAS is a registered trademark of Dallas Semiconductor Corp.
MAXIM is a registered trademark of Maxim Integrated Products, Inc.
PIN CONFIGURATIONS
TOP VIEW
7
8
1
47
46
摟
摟
DALLAS
DS87C530
DS83C530
20
21
33
34
摟
PLCC
WINDOWED LCC
39
27
摟
40
26
摟
DALLAS
DS87C530
DS83C530
52
14
摟
摟
摟
1
13
TQFP
摟
The
High-Speed Microcontroller User鈥檚 Guide
must
be used in conjunction with this data sheet. Download it
at:
www.maxim-ic.com/microcontrollers
.
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 46
REV: 040104

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