Rainbow-electronics DS1957 Manual do Utilizador descarregar pdf (Página 4)

DS1957

4 of 25

DS1957 FUNCTIONAL BLOCK DIAGRAM Figure 1

1-WIRE FUNCTION

CONTROL

64-BIT LASERED

ROM

128-BYTE

INTERMEDIATE

PRODUCT

REGISTER

DATA TRANSFER

AND CONTROL

FUNCTION

CONTROL

16-BIT CRC

GENERATOR

2 X 8-BYTE

I/O BUFFER

STATUS REGISTER

TRUE TIME CLOCK

ARITHMETIC

ACCELERATOR

MICROCOMPUTER

TEMP. SENSOR

134K BYTE

SRAM

64K BYTE

ROM

3 VOLT LITHIUM

CLOCK AND MEMORY BACKUP

DATA

INT VDD

DATA

LID

CONTACT

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