DS2775G MAXIM [Maxim Integrated Products], DS2775G Datasheet - Page 39

• Manufacturer Part Number: DS2775G
• Description: 2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with Protector and Optional SHA-1 Authentication
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 25. Compute MAC Command
Figure 26. Compute Next Secret Command
Figure 27. Copy Data Command
Protector and Optional SHA-1 Authentication
1-Wire
RESET
1-Wire
RESET
1-Wire
RESET
PRESENCE
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
PRESENCE
PRESENCE
PULSE
PULSE
PULSE
COMMAND
SKIP-ROM
COMMAND
______________________________________________________________________________________
COMMAND
SKIP-ROM
SKIP-ROM
NEXT SECRET COMMAND
MAC COMMAND
COMPUTE
COPY DATA
COMPUTE
COMMAND
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
UP TO 160 READ TIME SLOTS
PROGRAMMING
(READ 20-BYTE MAC)
t
EEC
39