WM8143-12 データシートの表示（PDF） - Wolfson Microelectronics plc
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WM8143-12 Datasheet PDF : 24 Pages
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Production Data
MODE DESCRIPTION
CDS
AVAIL-
ABLE
MAX.
SAMPLE
RATE
1
Colour
Yes
1.33MSPS
2
Monochrome
Yes
1.33MSPS
3
Fast
Yes
2.67MSPS
Monochrome
4
Max. Speed
No
4MSPS
Monochrome
5
Slow Colour
Yes
1MSPS
6
Slow
Yes
1MSPS
Monochrome
* Only indicates relevant register bits
Table 3 WM8143-12 Mode Summary
WM8143-12
SENSOR INTERFACE
DESCRIPTION
TIMING
REQUIRE-
MENTS
Three input channels
(R, G, B) are sampled
in parallel at max.
1.33MSPS. The
sampled data is
multiplexed into a
single data stream
before the internal
ADC, giving an
internal serial rate of
max. 4MSPS
One input channel is
continuously sampled.
The internal
multiplexer is held in
one position under
control of the user.
MCLK max.
8MHz.
MCLK:
VSMP ratio
is 6:1
Identical to
Mode 1
Identical to Mode 2
except that max.
sample rate is
2.67MSPS
Identical to Mode 2
except that max.
sample rate is 4MSPS
MCLK max.
8MHz.
MCLK:
VSMP ratio
is 3:1
MCLK max.
8MHz.
MCLK:
VSMP ratio
is 2:1
Identical to Mode 1
except that max.
sample rate is 1MSPS
Identical to Mode 2
except that max.
sample rate is 1MSPS
MCLK max.
8MHz.
MCLK:
VSMP ratio
is 8:1
MCLK max.
8MHz.
MCLK:
VSMP ratio
is 8:1
REGISTER
CONTENTS
WITH CDS
Setup Reg. 1:
03(H)
Setup Reg. 1:
07(H)
Setup Reg. 3:
bits b[7-6]
define which
channel is
sampled
Identical to
Mode 2 plus
Setup Reg. 3:
bits b[5-4] must
be set to 00(H)
Not applicable
Identical to
Mode 1
Identical to
Mode 2
REGISTER
CONTENTS
WITHOUT
CDS*
Setup Reg. 1:
01(H)
Setup Reg. 1:
05(H)
Setup Reg. 3:
bits b[7-6]
define which
channel is
sampled
Identical to
Mode 2
Setup Reg. 1:
45(H)
Setup Reg. 3:
bits b[7-6]
define which
channel is
sampled
Identical to
Mode 1
Identical to
Mode 2
Wolfson Microelectronics
13
PD. Rev 4 Nov. 99
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