ds2775 Maxim Integrated Products, Inc., ds2775 Datasheet - Page 38

• Manufacturer Part Number: ds2775
• Description: 2-cell, Stand-alone, Li+ Fuel-gauge Ic With Protector And Optional Sha-1 Authentication
• Manufacturer: Maxim Integrated Products, Inc.

2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
Protector and Optional SHA-1 Authentication
Figure 25. Compute MAC Function Command
Figure 26. Compute Next Secret Function Command
Figure 27. Copy Function Command
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1-Wire
RESET
1-Wire
RESET
1-Wire
RESET
PRESENCE
PRESENCE
PRESENCE
PULSE
PULSE
PULSE
COMMAND
SKIP-ROM
COMMAND
COMMAND
SKIP-ROM
SKIP-ROM
NEXT SECRET COMMAND
MAC COMMAND
COMPUTE
COMPUTE
COMMAND
COPY
WAIT FOR MAC
COMPUTATION
WAIT FOR MAC
COMPUTATION
t
SHA
TIME SLOTS
8 WRITE
t
SHA
8 WRITE-ZERO
TIME SLOTS
WAIT FOR EEPROM
PROGRAMMING
t
EEC
WAIT FOR EEPROM
UO TO 160 READ TIME SLOTS
PROGRAMMING
(READ 20-BYTE MAC)
t
EEC