WM8213SCDSSLASHV datasheet(35/38 Pages) WOLFSON

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Production Data

WM8213

PD Rev 4.1 July 2008

ADDRESS

<A5:A0>

BIT

NAME(S)

DEFAULT

DESCRIPTION

100000

(20h)

Offset DAC

(Red)

7:0

DACR[7:0]

10000000

Red channel 8-bit offset DAC value (mV) = 260*(DACR[7:0]-

127.5)/127.5

100001

(21h)

Offset DAC

(Green)

7:0

DACG[7:0]

10000000

Green channel 8-bit offset DAC value (mV) = 260*(DACG[7:0]-

127.5)/127.5

100010

(22h)

Offset DAC

(Blue)

7:0

DACB[7:0]

10000000

Blue channel 8-bit offset DAC value (mV) = 260*(DACB[7:0]-

127.5)/127.5

100011

(23h)

Offset DAC

(RGB)

7:0

DACRGB[7:0]

A write to this register location causes the red, green and blue

offset DAC registers to be overwritten by the new value

PGAR[0]

This register bit forms the LSB of the red channel PGA gain code.

PGA gain is determined by combining this register bit and the 8

MSBs contained in register address 28 hex.

100100

(24h)

PGA Gain

LSB

(Red)

7:1

Reserved

0000000

Must be set to 0

PGAG[0]

This register bit forms the LSB of the green channel PGA gain

code. PGA gain is determined by combining this register bit and

the 8 MSBs contained in register address 29 hex.

100101

(25h)

PGA Gain

LSB

(Green)

7:1

Reserved

0000000

Must be set to 0

PGAB[0]

This register bit forms the LSB of the blue channel PGA gain

code. PGA gain is determined by combining this register bit and

the 8 MSBs contained in register address 2A hex.

100110

(26h)

PGA Gain

LSB

(Blue)

7:1

Reserved

0000000

Must be set to 0

PGARGB[0]

Writing a value to this location causes red, green and blue PGA

LSB gain values to be overwritten by the new value.

100111

(27h)

PGA Gain

LSB

(RGB)

7:1

Reserved

0000000

Must be set to 0

101000

(28h)

PGA gain

MSBs

(Red)

7:0

PGAR[8:1]

00001100

Bits 8 to 1 of red PGA gain. Combined with red LSB register bit to

form complete PGA gain code. This determines the gain of the

red channel PGA according to the equation:

Red channel PGA gain (V/V) = 0.66 + PGAR[8:0]x7.34/511

101001

(29h)

PGA gain

MSBs

(Green)

7:0

PGAG[8:1]

00001100

Bits 8 to 1 of green PGA gain. Combined with green LSB register

bit to form complete PGA gain code. This determines the gain of

the green channel PGA according to the equation:

Green channel PGA gain (V/V) = 0.66 + PGAG[8:0]x7.34/511

101010

(2Ah)

PGA gain

MSBs

(Blue)

7:0

PGAB[8:1]

00001100

Bits 8 to 1 of blue PGA gain. Combined with blue LSB register bit

to form complete PGA gain code. This determines the gain of the

blue channel PGA according to the equation:

Blue channel PGA gain (V/V) = 0.66 + PGAB[8:0]x7.34/511

101011

(2Bh)

PGA gain

MSBs(RGB)

7:0

PGARGB[8:1]

A write to this register location causes the red, green and blue

PGA MSB gain registers to be overwritten by the new value.

Table 8 Register Control Bits

WM8213SCDS/V 数据表(PDF) 35 Page - Wolfson Microelectronics plc

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WM8213SCDS/V 数据表(PDF) 35 Page - Wolfson Microelectronics plc

WM8213SCDS/V 数据表(HTML) 35 Page - Wolfson Microelectronics plc

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