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DS1371
14 of 15
...
A
XXXXXXXX
A
1101000
S
0
XXXXXXXX
A XXXXXXXX
A
XXXXXXXX
A P
<Slave Address>
<Word Address (n)>
<Data(n)>
<Data(n+1)>
<Data(n+X)>
B - Block Select
S - Start
A - Acknowledge (ACK)
P - Stop
<R
W
>
DATA TRANSFERRED
(X+1 BYTES + ACKNOWLEDGE)
Master to slave
Slave to master
Figure 5. I
2C Write Protocol
A
XXXXXXXX
A
1101000
S
1
XXXXXXXX
A XXXXXXXX
XXXXXXXX
A P
<Slave Address>
<Data(n)>
<Data(n+1)>
<Data(n+2)>
<Data(n+X)>
B - Block Select
S - Start
A - Acknowledge (ACK)
P - STOP
A - Not Acknowledge (NACK)
<R
W
>
DATA TRANSFERRED
(X+1 BYTES + ACKNOWLEDGE); NOTE: LAST DATA BYTE IS
FOLLOWED BY A NOT ACKNOWLEDGE (
A) SIGNAL)
Master to slave
Slave to master
...
A
Figure 6. I
2C Read Protocol
A
XXXXXXXX
1101000
S
XXXXXXXX
A XXXXXXXX
XXXXXXXX
A P
<Slave Address>
<Word Address (n)>
<Slave Address>
B - Block Select
S - Start
Sr - Repeated Start
A - Acknowledge (ACK)
P - Stop
A - Not Acknowledge (NACK)
<R
W
>
DATA TRANSFERRED
(X+1 BYTES + ACKNOWLEDGE); NOTE: LAST DATA BYTE IS
FOLLOWED BY A NOT ACKNOWLEDGE (
A) SIGNAL)
Master to slave
Slave to master
...
A
XXXXXXXX
A
0
1101000
Sr
A
1
<Data(n)>
<Data(n+1)>
<Data(n+2)>
<Data(n+X)>
<R
W
>
A
Figure 7. I
2C Data Read (Write Pointer, Then Read) Protocol
Chip Information
TRANSISTOR COUNT: 11,036
PROCESS: CMOS
SUBSTRATE CONNECTED TO GROUND
Thermal Information
Theta-JA: 221°C/W
Theta-JC: 39°C/W
Package Information
For the latest package outline information, go to www.maxim-ic.com/DallasPackInfo.
PACKAGE
DOCUMENT NUMBER
8-pin
μSOP
21-0036
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