BQ2083-V1P3 Datasheet, PDF (21/56 Pages) Texas Instruments – SBS-COMPLIANT GAS GAUGE IC FOR USE WITH THE bq29311

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bq2083-V1P3
SLVS508 − OCTOBER 2003
In the write word and block read, the host generates an ACKNOWLEDGE after the last byte of data sent by the
bq2083−V1P3. The bq2083−V1P3 then sends the PEC and the host acting as a master-receiver generates a NOT
ACKNOWLEDGE and a stop condition.
1
7
11
8
1
8
ÓÓÓÓ ÓÓÓÓ ÓÓÓÓ ÓÓÓÓ _S
Battery Address
0001011
0
A Command Code
A
Data Byte Low
1
8
11
A Data Byte High A P
Write Word
1
7
S
Battery Address
0001011
ÓÓÓÓ ÓÓÓÓ ^{1 1}
8
0 A Command Code
11
7
A S Battery Address
ÓÓÓÓ ^{1 1}
1A
8
1
8
ÓÓÓÓÓÓÓÓÓÓ _{Data Byte Low A Data Byte High}
1
AP
ÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓ _ReadWord
1
S
7
Battery Address
0001011
ÓÓÓÓ ÓÓÓÓ ^{1 1}
8
0 A Command Code
11
AS
7
Battery Address
ÓÓÓÓ ^{1 1}
1A
ÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓ ÓÓÓÓÓÓÓÓÓÓÓÓ ⁸
1
Byte Count = N A
8
1
Data Byte 1 A
8
1
Data Byte 2 A
8
Data Byte N
11
AP
Block Read
Host Processor
ÓÓÓÓ_bq2083
A − ACKNOWLEDGE
A − NOT ACKNOWLEDGE
S − START
P − STOP
Figure 6. SMBus Communication Protocol Without PEC
21