WM8580GEFV datasheet(18/92 Pages) WOLFSON

tên linh kiện	WM8580GEFV

Giải thích chi tiết về linh kiện	Multichannel CODEC with S/PDIF Transceiver

PDF	92 Pages

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nhà sản xuất	WOLFSON [Wolfson Microelectronics plc]

Trang chủ	http://www.wolfsonmicro.com

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WM8580

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PP Rev 1.0 March 2006

BIT

LABEL

DEFAULT

DESCRIPTION

2:0

READMUX

[2:0]

000

Determines which status register

is to be read back:

000 = Error Register

001 = Channel Status Register 1

010 = Channel Status Register 2

011 = Channel Status Register 3

100 = Channel Status Register 4

101 = Channel Status Register 5

110 = S/PDIF Status Register

CONTREAD

Continuous Read Enable.

0 = Continuous read-back mode

disabled

1 = Continuous read-back mode

enabled

R52

READBACK

34h

READEN

Read-back mode enable.

0 = read-back mode disabled

1 = read-back mode enabled

Table 9 Read-back Control Register

The 3-wire interface readback protocol is shown below. Note that the SDO pin is tri-state unless CSB

is held low; therefore CSB must be held low for the duration of the read.

Figure 7 3-Wire SPI Compatible Interface Continuous Readback

If CONTREAD is set to zero, the user can read back directly from the register by writing to the

Figure 8 below.

Figure 8 3-Wire SPI Compatible Control Interface Non-Continuous Readback

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