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Dallas Semiconductor DS5240

The Dallas Semiconductor DS5240 is an 8051 based High-Speed Micro with 2 DPTRs, WDT, 2 Serial Ports, 32 I/O lines, 3 Timers/Counters, 15 Interrupts/3 Priority Levels, 5K ROM, 256 Bytes On-chip RAM, 1024 Bytes addition XRAM.

*** IMPORTANT ***
The PK51 Professional Developer's Kit is required if you wish to create programs that access the 16M Byte external address space.

[Chip Vendor] [Distributors]

Development Tools
Compiler, Assembler, Linker, Debugger
Data Sheets
Data Sheet for the Dallas Semiconductor DS5240
Data Sheet
50,956 bytes
High-Speed User's Guide for the Dallas Semiconductor DS5240
High-Speed User's Guide
1,116,680 bytes

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Application Notes
Example Code
Emulators
Simulated Features

The following on-chip peripherals are simulated by the Keil Software µVision Debugger.

The following on-chip peripherals are not simulated.

  • Boot Loader: ACON.6, BP, IA
  • CRC Generator: CRC1, CRC2, CRC3, CRC4
  • Encryption (PEK1, PEK2, DEK) and Decryption (PBDD, PBDC)
  • Flash Program Memory:FLMC
  • Memory Management Unit: ACON.7, MSIZE, MCEN, DMOS, MCON, RAMST, ROMST, MXAH
  • Modular Arithmetic Accelerator: MACT, MAS0, MAS1
  • Port 4: P4
  • Random Number Generator: RNR
  • Real-Time Clock: TRIM, RTASS, RTAS, RTAM, RTAH, RTCC, RTCSS, RTCS, RTCM, RTCH, RTCD0, RTCD1
  • Reset Control: RAR, RCR, RTR
  • Self Destruct Interrupt: PMR.1, PMR.0
  • User DES Engine: UDESD, UDESC
AGSI Drivers

The following AGSI Drivers are available for the Keil Software µVision Simulator.

AGDI Drivers

The following AGDI Drivers are available for the Keil Software µVision Debugger.


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