LTC2991 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2991' PDF : 32 Pages View PDF
APPLICATIONS INFORMATION
S ADDRESS W# A COMMAND A DATA A P
1001 a2:a0 0 0 XXXXb4:b0 0 b7:b0 0
FROM MASTER TO SLAVE
FROM SLAVE TO MASTER
A: ACKNOWLEDGE (LOW)
A#: NOT ACKNOWLEDGE (HIGH)
R: READ BIT (HIGH)
W#: WRITE BIT (LOW)
S: START CONDITION
P: STOP CONDITION
2991 F05
Figure 5. LTC2991 Serial Bus Write Byte Protocol
LTC2991
S ADDRESS W# A COMMAND A DATA A DATA A P
1001 a2:a0 0 0 XXXXb4:b0 0 b7:b0 0 b7:b0 0
2991 F06
Figure 6. LTC2991 Serial Bus Repeated Write Byte Protocol
S ADDRESS W# A COMMAND A S ADDRESS R A DATA
1001 a2:a0 0 0 XXXXb4:b0 0
1001 a2:a0 1 0 b7:b0
Figure 7. LTC2991 Serial Bus Read Byte Protocol
A# P
1
2991 F07
S ADDRESS W# A COMMAND A S ADDRESS R A DATA A DATA A# P
1001 a2:a0 0 0 XXXXb4:b0 0
1001 a2:a0 1 0 b7:b0 0 b7:b0 1
2991 F08
Figure 8. LTC2991 Serial Bus Repeated Read Byte Protocol
Table 1. I2C Base Address
I2C BASE ADDRESS
90h
92h
94h
96h
98h
9Ah
9Ch
9Eh
EEh
ADR2
0
0
0
0
1
1
1
1
ADR1
0
0
1
1
0
0
1
1
Global Sync Address
ADR0
0
1
0
1
0
1
0
1
For more information www.linear.com/LTC2991
2991ff
17
Share Link: 
