WM8233 datasheet(47/146 Pages) CIRRUS

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WM8233

Rev 4.7

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R87 (57h)

7:4

AGCAVE[3:0]

0000

averaging factor before peak detection

0000 = no average, 0001 = 2, 0010 = 4, 0011 = 8

…, 1010

= 1024 (1011 = 1100 = 1101 = 1110 = 1111 = reserved)

AGC_ERRFLAG

AGC error flag

0 = no error detected, 1 = AGC finish with error

AGC_ENDFLAG

AGC end flag

0 = not end or not run, 1 = AGC sequence was done

AGC_EN

AGC enable

0 = disable, 1 = enable

R88 (58h)

6:4

AGC_DPD[2:0]

000

the number of peak detection iterations to calculate digital

gain

2:0

AGC_APD[2:0]

000

the number of peak detection iterations to calculate

analogue gain

R91 (5Bh)

7:0

AGC_TARGETIN1

[7:0]

0000_0000

LSB of AGC target level for IN1

R92 (5Ch)

1:0

AGC_TARGETIN1

[9:8]

MSB of AGC target level for IN1

R93 (5Dh)

7:0

AGC_TARGETIN2

[7:0]

0000_0000

LSB of AGC target level for IN2

R94 (5Eh)

1:0

AGC_TARGETIN2

[9:8]

MSB of AGC target level for IN2

R97 (61h)

7:0

AGC_TARGETIN3

[7:0]

0000_0000

LSB of AGC target level for IN3

R98 (62h)

1:0

AGC_TARGETIN3

[9:8]

MSB of AGC target level for IN3

R99 (63h)

7:0

AGC_TARGETIN4

[7:0]

0000_0000

LSB of AGC target level for IN4

R100 (64h)

1:0

AGC_TARGETIN4

[9:8]

MSB of AGC target level for IN4

R103 (67h)

7:0

AGC_TARGETIN5

[7:0]

0000_0000

LSB of AGC target level for IN5

R104 (68h)

1:0

AGC_TARGETIN5

[9:8]

MSB of AGC target level for IN5

R105 (69h)

7:0

AGC_TARGETIN6

[7:0]

0000_0000

LSB of AGC target level for IN6

R106 (6Ah)

1:0

AGC_TARGETIN6

[9:8]

MSB of AGC target level for IN6

R191 (BFh)

7:0

PEAKDET_RISE

[7:0]

0000_0000

LSB of PEAKDET_RISE[14:0]

peak detection start pixel count

R192 (C0h)

6:0

PEAKDET_RISE

[14:8]

000_0000

MSB of PEAKDET_RISE[14:0]

peak detection start pixel count

R193 (C1h)

7:0

PEAKDET_FALL

[7:0]

0000_0000

LSB of PEAKDET_FALL[14:0]

peak detection start pixel count

R194 (C2h)

6:0

PEAKDET_FALL

[14:8]

000_0000

MSB of PEAKDET_FALL[14:0]

peak detection start pixel count

LINE-BY-LINE OPERATION

Certain linear sensors give colour output on a line-by-line basis. i.e. a full line of red pixels followed by

a line of green pixels followed by a line of blue pixels.

The WM8233 can accommodate this type of input by setting the LINEBYLINE register bit high. The

offset and gain values that are applied to every input channel can be selected, by internal

WM8233 Datasheet(PDF) 47 Page - Cirrus Logic

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