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AS3515 Datasheet(PDF) 53 Page - ams AG

Part # AS3515
Description  Stereo Audio Codec with System Power Management
PDF  67 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3515 Datasheet(HTML) 53 Page - ams AG

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AS3515 V15
austriamicrosystems
Data Sheet, Confidential
www.austriamicrosystems.com
Revision 3.1
52
- 66
6.21 I2C Control Interface
6.21.1 General
There is an I2C slave block implemented to have access to 64 byte of setting information.
The I2C address is: Adr_Group8 - audioprocessors
•
8Ch_write
•
8Dh_read
Figure 18 I2C timing
RESET
SCL
SDA
8 7 6 5 4 3 2 1
8
7
6
5
4
3
2
1 A 8
7
6
5
4
3
2
1 A
DeviceWriteAddress 8Ch
Register Address
Write Data
Start
Stop
Condition
Condition
6.21.2 Parameter
Table 55 I2C Operating Conditions
Symbol
Parameter
Notes
Min
Typ
Max
Unit
VIL
CSCL, CSDA (max 30%DVDD)
0
-
0.87
V
VIH
CSCL, CSDA (min 70%DVDD)
2.03
-
5.5
V
HYST
CSCL, CSDA
200
450
800
mV
VOL
CSDA @ 3mA
-
-
0.4
V
Tsp
Spike insensitivity
50
100
-
ns
Speed
Frequency at CSCL
-
-
400
kHz
Tsetup
CSDA has to change Tsetup before
rising edge of CSCL
250
-
-
ns
Thold
No hold time needed for CSDA relative
to rising edge of CSCL
0
-
-
ns
TS
CSDA H hold time relative to CSDA
edge for start/stop/rep_start
600
-
-
ns
Tdata
CSDA prop delay relative to lowgoing
edge of CSCL
50
ns
DVDD =2.9V, Tamb=25ºC; unless otherwise specified



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