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WM8959 Datasheet(PDF) 113 Page - Wolfson Microelectronics plc

Part # WM8959
Description  Mobile Multimedia DAC with Dual-Mode Class AB/D Speaker Driver
PDF  155 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8959 Datasheet(HTML) 113 Page - Wolfson Microelectronics plc

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Pre-Production
WM8959
w
PP, May 2008, Rev 3.1
113
These modes are shown in the section below. Terminology used in the following figures:
TERMINOLOGY
DESCRIPTION
S
Start Condition
Sr
Repeated start
A
Acknowledge
P
Stop Condition
RW
ReadNotWrite
0 = Write
1 = Read
Table 67 Terminology
Figure 79 2-Wire Serial Control Interface (single write)
RW
Device ID
Sr
A
P
MSByte Data
(1)
LSByte Data
A
Device ID
S
A
Index
(0)
A
RW
A
Figure 80 2-Wire Serial Control Interface (single read)
Figure 81 2-Wire Serial Control Interface (multiple write using auto-increment)
Figure 82 2-Wire Serial Control Interface (multiple read using auto-increment)
In 2-wire mode, the WM8959 has two possible device addresses, which can be selected using the
CSB/ADDR pin.
CSB/ADDR STATE
DEVICE ADDRESS
Low
0011010 (0 x 34h)
High
0011011 (0 x 36h)
Table 68 2-Wire Control Interface Address Selection



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