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WM8281ECS/R Datenblatt(PDF) 294 Page - Cirrus Logic

Teilenummer WM8281ECS/R
Bauteilbeschribung  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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Hersteller  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R Datenblatt(HTML) 294 Page - Cirrus Logic

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WM8281
294
Rev 4.0
Figure 75 Single Register Read from Specified Address
Device ID
S
A
Address Byte [3]
(0)
A
MSByte Data 0
A
LSByte Data 0
A
Written to 'Register Address'
A
MSByte Data N
A
LSByte Data N
A
P
Written to 'Register Address+N'
A
MSByte Data N-1
A
LSByte Data N-1
Written to 'Register Address+N-1'
Address Byte [2]
A
RW
Address Byte [1]
A
Address Byte [0]
A
MSByte Data 1
A
LSByte Data 1
A
Written to 'Register Address+1'
Figure 76 Multiple Register Write to Specified Address using Auto-increment
Sr
Device ID
S
A
Address Byte [3]
(0)
A
Device ID
A
(1)
Read from 'Register Address'
MSByte Data 0
LSByte Data 0
A
A
P
MSByte Data N
LSByte Data N
A
A
A
MSByte Data N-1
LSByte Data N-1
A
A
Read from 'Register Address+N'
Read from 'Register Address+N-1'
Address Byte [2]
A
RW
RW
Address Byte [1]
A
Address Byte [0]
A
Figure 77 Multiple Register Read from Specified Address using Auto-increment
Device ID
A
P
MSByte Data N
(1)
LSByte Data N
A
S
A
A
MSByte Data 0
LSByte Data 0
A
A
MSByte Data N-1
LSByte Data N-1
A
A
Read from 'Last Register Address'
Read from 'Register Address+N'
Read from 'Register Address+N-1'
MSByte Data 1
LSByte Data 1
A
A
Read from 'Register Address+1'
RW
Figure 78 Multiple Register Read from Last Address using Auto-increment
Continuous read and write modes enable multiple register operations to be scheduled faster than is
possible with single register operations. The auto-increment function supports selectable address
increments for each successive register access. This function is controlled using the I2Cn_AUTO_INC
registers (where ‘n’ identifies the associated interface, CIF1 or CIF2). Auto-increment (by 1) is
enabled by default, as described in Table 113.



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