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WM8259SCDS/V Fiches technique(PDF) 4 Page - Wolfson Microelectronics plc

No de pièce WM8259SCDS/V
Description  Single Channel 16-bit CIS/CCD AFE with 4-bit Wide Output
PDF  26 Pages
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Fabricant  WOLFSON [Wolfson Microelectronics plc]
Site Internet  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8259SCDS/V Fiches technique(HTML) 4 Page - Wolfson Microelectronics plc

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WM8259
Production Data
w
PD Rev 4.2 April 2007
4
PIN DESCRIPTION
PIN #
NAME
TYPE
DESCRIPTION
1
AGND2
Supply
Analogue ground pin (0V)
2
DVDD1
Supply
Digital Core supply (3.3V)
3
VSMP
Digital input
Video sample synchronisation pulse.
4
MCLK
Digital input
Master clock. This clock is applied at N times the input pixel rate (N = 2, 3, 6, 8 or
any multiple of 2 thereafter depending on input sample mode).
5
DGND
Supply
Digital ground (0V).
6
SEN
Digital input
Enables the serial interface when high.
7
DVDD2
Supply
Digital I/O supply (2.5V-3.3V), all digital I/O pins.
8
SDI
Digital input
Serial data input.
9
SCK
Digital input
Serial clock.
Digital multiplexed output data bus.
ADC output data (d15:d0) is available in 4-bit multiplexed format as shown below.
A
B
C
D
10
OP[0]
Digital output
d12
d8
d4
d0
11
OP[1]
Digital output
d13
d9
d5
d1
12
OP[2]
Digital output
d14
d10
d6
d2
13
OP[3]/SDO
Digital output
d15
d11
d7
d3
Alternatively, pin OP[3]/SDO may be used to output register read-back data when
address bit 4=1 and SEN has been pulsed high. See Serial Interface description in
Device Description section for further details.
14
AVDD
Supply
Analogue supply (3.3V)
15
AGND1
Supply
Analogue ground (0V).
16
VRB
Analogue output
Lower reference voltage.
This pin must be connected to AGND via a decoupling capacitor.
17
VRT
Analogue output
Upper reference voltage.
This pin must be connected to AGND via a decoupling capacitor.
18
VRLC/VBIAS
Analogue I/O
Selectable analogue output voltage for RLC or single-ended bias reference.
This pin would typically be connected to AGND via a decoupling capacitor.
VRLC can be externally driven if programmed Hi-Z.
19
VINP2
Analogue input
Video input2 for analog switch
20
VINP1
Analogue input
Video input1.



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