Maxim DS87C530 podręczniki

Maxim DS87C530 Podręcznik Użytkownika (45 strony)

Marka: Maxim | Kategoria: Zegary ścienne | Rozmiar: 0.63 MB |

Angielski

Spis treści

DS87C530/DS83C530

1

ORDERING INFORMATION

2

DETAILED DESCRIPTION

3

PIN DESCRIPTION

4

PIN DESCRIPTION (continued)

5

COMPATIBILITY

7

PERFORMANCE OVERVIEW

7

INSTRUCTION SET SUMMARY

7

SPECIAL FUNCTION REGISTERS

8

SM0/FE_0

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SM0/FE_1

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CP/ RL2

9

NONVOLATILE FUNCTIONS

10

REAL-TIME CLOCK

10

NONVOLATILE RAM

11

CRYSTAL AND BACKUP SOURCES

11

Timekeeping Crystal

11

Backup Energy Source

12

IMPORTANT APPLICATION NOTE

12

MEMORY RESOURCES

12

OPERATIONAL CONSIDERATION

13

PROGRAM MEMORY ACCESS

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DATA MEMORY ACCESS

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STRETCH MEMORY CYCLE

15

DUAL DATA POINTER

16

POWER MANAGEMENT

17

POWER MANAGEMENT MODE (PMM)

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CRYSTAL-LESS PMM

18

PMM OPERATION

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Clock Divider

18

Switchback

19

Crystal/Ring Operation

20

IDLE MODE

23

STOP MODE ENHANCEMENTS

23

EMI REDUCTION

24

PERIPHERAL OVERVIEW

25

SERIAL PORTS

25

TIMER RATE CONTROL

25

POWER-FAIL RESET

25

POWER-FAIL INTERRUPT

25

WATCHDOG TIMER

26

INTERRUPTS

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EPROM PROGRAMMING

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PROGRAMMING PROCEDURE

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DS87C530 SECURITY OPTIONS

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Lock Bits

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Encryption Array

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Other EPROM Options

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DS87C530 Signature

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30 of 45

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SECURITY OPTIONS

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DS83C530 ROM Verification

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DS83C530 Signature

32

ABSOLUTE MAXIMUM RATINGS

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RD Low to Address Float

36

EXPLANATION OF AC SYMBOLS

38

DATA MEMORY WRITE CYCLE

40

EXTERNAL CLOCK DRIVE

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SERIAL PORT MODE 0 TIMING

42

POWER-CYCLE TIMING

43

PACKAGE INFORMATION

44

DATA SHEET REVISION SUMMARY

45

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