DS28E01-100 Maxim, DS28E01-100 Datasheet - Page 15

• Manufacturer Part Number: DS28E01-100
• Description: The DS28E01-100 combines 1024 bits of EEPROM with challenge-and-response authentication security implemented with the ISO/IEC 10118-3 Secure Hash Algorithm (SHA-1)
• Manufacturer: Maxim

Figure 10b. ROM Functions Flowchart (continued)
______________________________________________________________________________________
ABRIDGED DATA SHEET
FROM FIGURE 10a
FROM FIGURE 10a
TO FIGURE 10a
TO FIGURE 10a
COMMAND?
RESUME
RC = 1?
1Kb Protected 1-Wire EEPROM
A5h
Y
Y
MASTER Tx
RESET?
N
N
N
Y
RC = 0; OD = 1
OVERDRIVE-
SKIP ROM?
MASTER Tx
RESET?
3Ch
Y
N
Y
N
with SHA-1 Engine
MASTER Tx BIT 63
MASTER Tx BIT 0
MASTER Tx BIT 1
BIT 63 MATCH?
MATCH ROM?
RC = 0; OD = 1
BIT 0 MATCH?
BIT 1 MATCH?
OVERDRIVE-
RC = 1
69h
Y
Y
Y
Y
N
N
N
N
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