DS1963L datasheet(4/24 Pages) DALLAS

Part #	DS1963L

Description	4k-BIT MONETARY iButton

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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4 / 24 page

DS1963L

4 of 24

HIERARCHCAL STRUCTURE FOR 1-WIRE PROTOCOL Figure 2

1-WIRE BUS

64-BIT LASERED ROM Figure 3

MSB

LSB

8-BIT CRC CODE

48-BIT SERIAL NUMBER

8-BIT FAMILY CODE 1AH

MSB

LSB MSB

LSB

1-WIRE CRC GENERATOR Figure 4

BUS

MASTER

1-WIRE ROM FUNCTION

COMMANDS (SEE FIGURE 9)

DS1963L

AVAILABLE

COMMANDS:

DATA FIELD

AFFECTED:

READ ROM

64-BIT ROM

MATCH ROM

64-BIT ROM

SEARCH ROM

64-BIT ROM

SKIP ROM

N/A

OVERDRIVE SKIP ROM

N/A

OVERDRIVE MATCH ROM

64-BIT ROM

WRITE SCRATCHPAD

256-BIT SCRATCHPAD

READ SCRATCHPAD

256-BIT SCRATCHPAD

COPY SCRATCHPAD

DATA MEMORY,

WRITE CYCLE COUNTER

READ MEMORY

DATA MEMORY

READ MEMORY

DATA MEMORY,

+ COUNTER

WRITE CYCLE COUNTER,

TAMPER-DETECT BITS

DS1963L SPECIFIC

MEMORY FUNCTION

COMMANDS

(SEE FIGURE 7)

OTHER

DEVICES

COMMAND

LEVEL:

DS1963L Datasheet(PDF) 4 Page - Dallas Semiconductor

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