Maxim DS87C530 Guía de usuario Pagina 43
- Pagina / 45
- Tabla de contenidos
- MARCADORES
- 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 9
- SM0/FE_1 9
- 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 13
- DATA MEMORY ACCESS 14
- STRETCH MEMORY CYCLE 15
- DUAL DATA POINTER 16
- POWER MANAGEMENT 17
- POWER MANAGEMENT MODE (PMM) 17
- CRYSTAL-LESS PMM 18
- PMM OPERATION 18
- 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 27
- EPROM PROGRAMMING 28
- PROGRAMMING PROCEDURE 28
- DS87C530 SECURITY OPTIONS 29
- Lock Bits 29
- Encryption Array 29
- Other EPROM Options 29
- DS87C530 Signature 29
- 30 of 45 30
- SECURITY OPTIONS 31
- DS83C530 ROM Verification 32
- DS83C530 Signature 32
- ABSOLUTE MAXIMUM RATINGS 33
- RD Low to Address Float 36
- EXPLANATION OF AC SYMBOLS 38
- DATA MEMORY WRITE CYCLE 40
- EXTERNAL CLOCK DRIVE 41
- SERIAL PORT MODE 0 TIMING 42
- POWER-CYCLE TIMING 43
- PACKAGE INFORMATION 44
- DATA SHEET REVISION SUMMARY 45
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