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BQ78412 Fiches technique(PDF) 15 Page - Texas Instruments

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No de pièce BQ78412
Description  Pb-Acid Battery State-of-Charge Indicator With Run-Time Display
Download  36 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

BQ78412 Fiches technique(HTML) 15 Page - Texas Instruments

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UDG-10113
Start
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Stop
Bit
UART (IRDA)
UART (NRZ)
SP = Stop bit
ST =Start bit
Block of Characters
Block of Characters
TXD, RXD
Idle
Idle
Period
> 10 Bits
Idle
8-bit Address
8-bit Data
TXD, RXD
ST
SP
ST
8-bit Data
SP
First character within
block is the address
It follows an idle period
of 10 bits or more
Character
within
block
Idle
<10
bits
Character
within
block
UDG-10112
SP
ST
bq78412
www.ti.com
SLUSAA0 – OCTOBER 2010
The communications interface has the following fixed data rate configuration:
9600 or 1200 baud rate (set by DevConfig1[11])
8 bits
No parity
1 stop bit
No flow control
Figure 4 shows UART Encoding waveforms. Figure 5 shows the multi-drop operation data structure.
Figure 4. UART Encoding
Figure 5. Multi-Drop Operation
Copyright © 2010, Texas Instruments Incorporated
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