BQ2052_15 Datasheet, PDF (8/20 Pages) Texas Instruments – Gas Gauge IC

Not Recommended For New Designs
bq2052 Preliminary
Break
Send Host to bq-HDQ
CDMR
Send Host to bq-HDQ or
Receive from bq-HDQ
Data
tRR
Address
LSB
Bit0
Start-bit
Address-Bit/
Data-Bit
Stop-Bit
R/W
MSB
Bit7
tRSPS
TD201807.eps
Figure 4. bq2052 Communication Example
Written by Host to bq2052 Received by Host to bq2052
CMDR = 03h
NAC = 65h
LSB
MSB LSB
MSB
Break 1 1 0 0 0 0 0 0 1 0 1 0 0 1 1 0
HDQ
t_RSPS
TD2052TC.eps
Figure 5. Typical Communication with the bq2052
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