DS1961S datasheet(4/36 Pages) DALLAS

4 / 36 page

DS1961S

4 of 36

Figure 2. HIERARCHICAL STRUCTURE FOR 1-WIRE PROTOCOL

1-Wire Net

Other

Devices

Bus

Master

DS1961S

Available

Commands:

Command

Level:

Data Field

Affected:

1-Wire ROM Function

Commands (See Figure 9)

DS1961S-Specific

Memory Function

Commands (See Figure 7)

Read ROM

Match ROM

Search ROM

Skip ROM

Resume

Overdrive Skip

Overdrive Match

64-bit Reg. #, RC-Flag

RC-Flag

64-bit Reg. #, RC-Flag, OD-Flag

Write Scratchpad

Read Scratchpad

Load First Secret

Compute Next Secret

Copy Scratchpad

Read Authenti-

cated Page

Read Memory

Refresh Scratchpad

64-bit Scratchpad, Flags

64-bit Scratchpad

Secret, Flags; Data Memory (after

Refresh Scratchpad)

Secret, Data Memory, Scratchpad

Data Memory or Register Page,

Secret, Flags, 64-Bit Reg. #,

Data Memory, Secret, 64-bit Reg. #,

3-Byte Challenge in Scratchpad

Data Memory, Register Page, Reg. #

64-bit Scratchpad, Data Memory,

Flags

Figure 3. 64-BIT LASERED ROM

MSB

LSB

8-Bit CRC Code

48-Bit Serial Number

8-Bit Family Code (33h)

MSB

LSB MSB

LSB

DS1961S Datasheet(PDF) 4 Page - Dallas Semiconductor

DS1961S Datasheet(HTML) 4 Page - Dallas Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

Datasheet Download

Link URL