WM8146

Product Preview

WOLFSON MICROELECTRONICS LTD

PP Rev 1.1 January 2000

14

DEVICE CONFIGURATION

REGISTER MAP

Table 2 describes the location of each control bit used to determine the operation of the WM8146.

The register map is programmed by writing the required codes to the appropriate addresses via the

serial interface.

BIT

Address

<a5:a0>

Description

Def

(hex)

b7

b6

b5

b4

b3

b2

b1

b0

000001

Setup Register 1

03

VSMP6M

MONO

CDS

ENADC

000010

Setup Register 2

00

INVOP

000011

Setup Register 3

11

CHAN[1]

CHAN[0]

CDSREF[1]

CDSREF[0]

RLC[1]

RLC[0]

000100

Software Reset

00

000101

Setup Register 4

00

DACRNG

100000

DAC Value (Red)

00

DAC[7]

DAC[6]

DAC[5]

DAC[4]

DAC[3]

DAC[2]

DAC[1]

DAC[0]

100001

DAC Value (Green)

00

DAC[7]

DAC[6]

DAC[5]

DAC[4]

DAC[3]

DAC[2]

DAC[1]

DAC[0]

100010

DAC Value (Blue)

00

DAC[7]

DAC[6]

DAC[5]

DAC[4]

DAC[3]

DAC[2]

DAC[1]

DAC[0]

100011

DAC Value (R+G+B)

00

DAC[7]

DAC[6]

DAC[5]

DAC[4]

DAC[3]

DAC[2]

DAC[1]

DAC[0]

100100

DAC Sign (Red)

00

DSIGN

100101

DAC Sign (Green)

00

DSIGN

100110

DAC Sign (Blue)

00

DSIGN

100111

DAC Sign (R+G+B)

00

DSIGN

101000

PGA Gain (Red)

00

PGA[4]

PGA[3]

PGA[2]

PGA[1]

PGA[0]

101001

PGA Gain (Green)

00

PGA[4]

PGA[3]

PGA[2]

PGA[1]

PGA[0]

101010

PGA Gain (Blue)

00

PGA[4]

PGA[3]

PGA[2]

PGA[1]

PGA[0]

101011

PGA Gain (R+G+B)

00

PGA[4]

PGA[3]

PGA[2]

PGA[1]

PGA[0]

Table 2 Register Map