DS28E01-100 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS28E01-100

1K-Bit Protected 1-Wire EEPROM with SHA-1 Engine

Dallas Semiconductor -> Maxim Integrated 

Figure 1. Block Diagram

Abridged Data Sheet

PARASITE POWER

1-Wire net

1-Wire

Function Control

64-bit

Lasered ROM

Memory and

SHA Function

Control Unit

CRC16

Generator

Data Memory

4 Pages of

256 bits each

512-bit

Secure Hash

Algorithm

Engine

64-bit

Scratchpad

Register Page

Secrets Memory

64 bits

DS28E01-100

Figure 2. Hierarchical Structure for 1-Wire Protocol

DS28E01-100

Command

Level:

1-Wire ROM Function

Commands (see Figure 10)

Available

Commands:

Read ROM

Match ROM

Search ROM

Skip ROM

Resume

Overdrive Skip

Overdrive Match

Data Field

Affected:

64-bit Reg. #, RC-Flag

64-bit Reg. #, RC-Flag

64-bit Reg. #, RC-Flag

RC-Flag

RC-Flag

RC-Flag, OD-Flag

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

Device-specific

Memory Function

Commands (see Figure 8)

For details see the full

version of the data sheet.

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