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LTC2941-1 View Datasheet(PDF) - Linear Technology

Part Name
Description
MFG CO.
'LTC2941-1' PDF : 16 Pages View PDF
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LTC2941-1
Applications Information
SDA
a6 - a0
b7 - b0
b7 - b0
SCL
S
START
CONDITION
1-7
ADDRESS
8
9
R/W
ACK
1-7
8
9
DATA
ACK
1-7
8
DATA
Figure 4. Data Transfer Over I2C or SMBus
9
P
ACK
STOP
CONDITION
29411 F04
S ADDRESS W A REGISTER A DATA A P
1100100 0 0
01h
0 FCh 0
FROM MASTER TO SLAVE
FROM SLAVE TO MASTER
29411 F05
A: ACKNOWLEDGE (LOW)
A: NOT-ACKNOWLEDGE (HIGH)
R: READ BIT (HIGH)
W: WRITE BIT (LOW)
S: START CONDITION
P: STOP CONDITION
Figure 5. Writing FCh to LTC2941-1 Control Register (B)
S ADDRESS W A REGISTER A DATA A DATA A P
1100100 0 0
02h
0 F0h 0 01h 0
29411 F06
Figure 6. Writing F001h to the LTC2941-1 Accumulated Charge Registers (C, D)
S ADDRESS W A REGISTER A S ADDRESS R A DATA A P
1100100 0 0
00h
0
1100100 1 0 81h 1
29411 F07
Figure 7. Reading the LTC2941-1 Status Register (A)
S ADDRESS W A REGISTER A S ADDRESS R A DATA A DATA A P
1100100 0 0
02h
0
1100100 1 0 80h 0 01h 1
29411 F08
Figure 8. Reading the LTC2941-1 Accumulated Charge Registers (C, D)
S ALERT RESPONSE ADDRESS R A DEVICE ADDRESS A P
0001100
10
11001001
1
29411 F09
Figure 9. LTC2941-1 Serial Bus SDA Alert Response Protocol
29411f
12
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