DS83C530 Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS83C530

EPROM/ROM Micro with Real Time Clock

Dallas Semiconductor -> Maxim Integrated 

www.dalsemi.com

DS87C530/DS83C530

EPROM/ROM Micro with Real Time Clock

FEATURES

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

- 16 kB EPROM (OTP)

- 1 kB extra on-chip SRAM for MOVX

ROMSIZE Feature

- 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 w/ Alarm

Interrupt

- Battery backup support of 1 kB SRAM

High-Speed Architecture

- 4 clocks/machine cycle (8051 = 12)

- Runs DC to 33 MHz clock rates

- Single-cycle instruction in 121 ns

- 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 6 external

PACKAGE OUTLINE

7

1

8

47

46

DALLAS

DS87C530

DS83C530

20

34

21

52-Pin PLCC

33

52-Pin CER QUAD

39

27

40

26

DALLAS

DS87C530

DS83C530

52

14

1

13

52-Pin TQFP OUTLINE

1 of 44

112299

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