WM8352 datasheet(40/336 Pages) WOLFSON

Part #	WM8352

Description	Wolfson AudioPlus™ Stereo CODEC with Power Management

PDF	336 Pages

Scroll/Zoom	100%

Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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40 / 336 page

WM8352

Production Data

PD, February 2011, Rev 4.4

The sequence of signals associated with a single register write operation is illustrated in Figure 23.

Figure 23 Control Interface 2-wire Register Write

The sequence of signals associated with a single register read operation is illustrated in Figure 24.

Figure 24 Control Interface 2-wire Register Read

The Control Interface also supports other register operations, as listed above. The interface protocol

for these operations is summarised below. The terminology used in the following figures is detailed in

Table 2.

TERMINOLOGY

DESCRIPTION

Start Condition

Repeated start

Acknowledge

Stop Condition

R/W

ReadNotWrite

0 = Write

1 = Read

[White field]

Data flow from bus master to WM8352

[Grey field]

Data flow from WM8352 to bus master

Table 2 Control Interface Terminology

Figure 25 Single Register Write to Specified Address

Figure 26 Single Register Read from Specified Address

WM8352 Datasheet(PDF) 40 Page - Wolfson Microelectronics plc