WM8148 Wolfson Microelectronics Ltd., WM8148 Datasheet - Page 39

• Manufacturer Part Number: WM8148
• Description: WM8148 : 12-BIT/12 MSPS Ccd/cis Analogue Front End/digitiser
• Manufacturer: Wolfson Microelectronics Ltd.

WM8148
WOLFSON MICROELECTRONICS LTD
MONOCHROME SINGLE OUTPUT
Figure 45 Block Diagram of Monochrome CCD Application
Table 10 Typical Control Register Settings for Figure 45
DESCRIPTION
Set-up register 1
Set-up register 2
Set-up register 3
Set-up register 4
Coarse offsets
Maximum Pixel Rate = 6.66Mpixels/second (Mode 2)
S
E
N
S
O
R
V
(CDS, Negative-Going CCD Video Signal, MCLK/VSMP = 6)
O U T
REGISTER
datasheet for
See sensor
S E N S O R T I M I N G
B U F F E R
details
ADDRESS
000001
000010
000011
000101
000110
C
HEX
9F
4B
22
02
80
R I N P
SETTING
BINARY
0010 0010
1001 1111
0000 0010
1000 0000
0100 1011
recommended
WM8148
components
Including
external
CONTROL I/F
NOTE
MODE: Mode 2: single-channel CDS
SELEN: selective power enable
SENBL: green/blue PGAs
powered off
CHAN: red channel selected
RESREF: reset sample half-way
between video samples
INVOP: invert digital output
(White = 4095)
PGAFS: ADC set up for negative
polarity video
RLCEXT, RLCV: internal VRLC
voltage, set to 3.7V
C L O C K S
D A T A
PD Rev 4.0 April 1999
S Y S T E M
Production Data
ASIC
39