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WM8962B Datasheet(PDF) 187 Page - Wolfson Microelectronics plc

Part # WM8962B
Description  Ultra-Low Power Stereo CODEC with Audio Enhancement DSP, 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers
PDF  295 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8962B Datasheet(HTML) 187 Page - Wolfson Microelectronics plc

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WM8962
Rev 4.3
187
Device ID
S
A
MSByte Address
(0)
A
MSByte Data
A
LSByte Data
A
P
8 bit Device ID
8 bits
8 bits
8 bits
LSByte Address
A
8 bits
RW
Figure 65 Single Register Write to Specified Address
Device ID
Sr
A
P
MSByte Data
(1)
LSByte Data
A
Device ID
S
A
MSByte Address
(0)
A
A
A
LSByte Address
RW
RW
Figure 66 Single Register Read from Specified Address
Device ID
S
A
MSByte Address
(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'
MSByte Data 1
MSByte Data N-2
A
MSByte Data N-1
A
LSByte Data N-1
Written to 'Register Address+N-1'
LSByte Address
A
RW
Figure 67 Multiple Register Write to Specified Address using Auto-increment
Sr
Device ID
S
A
MSByte Address
(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 'Last Register Address+N'
Read from 'Last Register Address+N-1'
LSByte Address
A
RW
RW
Figure 68 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 'Last Register Address+N'
Read from 'Last Register Address+N-1'
MSByte Data 1
LSByte Data 1
A
A
Read from 'Last Register Address+1'
RW
Figure 69 Multiple Register Read from Last Address using Auto-increment
Multiple Write and Multiple Read operations enable the host processor to access sequential blocks of
the data in the WM8962 register map faster than is possible with single register operations. The auto-
increment option is enabled when the AUTO_INC register bit is set. This bit is defined in Table 122.
Auto-increment is enabled by default.



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