Datasheet

LTC4280
22
4280f
APPLICATIONS INFORMATION
S ADDRESS
1 0 a4:a0
4280 F07
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
COMMAND DATA
X X X X X b2:b00
W
000b7:b0
A A AP
Figure 7. LTC4280 Serial Bus SDA Write Byte Protocol
S ADDRESS
1 0 a4:a0
COMMAND DATA DATA
X X X X X b2:b00
W
000 0
4280 F08
X X X X X X X Xb7:b0
A
A A AP
Figure 8. LTC4280 Serial Bus SDA Write Word Protocol
S ADDRESS
1 0 a4:a0 1 0 a4:a0 1 0
COMMAND S ADDRESS R A
b7:b0 1
DATA
X X X X X b2:b00
W
00
4280 F09
A A A P
Figure 9. LTC4280 Serial Bus SDA Read Byte Protocol
S ADDRESS
1 0 a4:a0 1 0 a4:a0 1 0
COMMAND S ADDRESS R A
b7:b0 1
DATA
X X X X X b2:b00
W
00
4280 F10
A
0
A
b7:b0
DATA
A A P
Figure 10. LTC4280 Serial Bus SDA Read Word Protocol
S
ALERT
RESPONSE
ADDRESS
0 0 0 1 1 0 0
DEVICE
ADDRESS
1 0 a4:a0 0 11
R
0
4280 F11
A A
P
Figure 11. LTC4280 Serial Bus SDA Alert Response Protocol