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LM49321 Datasheet(PDF) 12 Page - Texas Instruments

Part # LM49321
Description  Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
PDF  45 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM49321 Datasheet(HTML) 12 Page - Texas Instruments

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Start
Condition
Stop
Condition
Data
ACK
SDA
SCL
TI2CSET
TI2CHOLD
TI2CSET
TI2CSET
ACK
ACK
Data
ACK
P
S
6 - 0
7 - 1
0
7 - 1
0
W
Host
Address
Start
Condition
SDA
SCL
Register
Address
Stop
Condition
LM49321, LM49321RLEVAL
SNAS457C – SEPTEMBER 2008 – REVISED MAY 2013
www.ti.com
TWO WIRE I2C COMPATIBLE INTERFACE (MODE = 0)
Two Wire Mode Write Bus Transaction
Two Wire Mode Write Bus Timing
Figure 5. Two Wire Mode Write Bus
When the part is configured as an I2C device then the LM49321 will respond to one of two addresses, according
to the ADDR input. If ADDR is low then the address portion of the I2C transaction should be set to write to
0010000. When ADDR is high then the address input should be set to write to 1110000.
Table 5. Chip Address
A7
A6
A5
A4
A3
A2
A1
A0
Chip Address
0
EC
EC
1
0
0
0
0
ADR = 0
0
0
0
1
0
0
0
0
ADR = 1
0
1
1
1
0
0
0
0
EC — Externally configured by ADR pin
12
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Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: LM49321 LM49321RLEVAL



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