SDA9220-5 Datasheet, PDF (1/42 Pages) Siemens Semiconductor Group – Memory Sync Controller III

Memory Sync Controller III
SDA 9220-5
Preliminary Data
Features
q Large area flicker elimination through field doubling
q Additional elimination of interline flicker in field mode
q Field switching and selection in field mode
q Noise and cross-color reduction
q Stills
q 9-image display, still-in-picture, picture-in-still
with different frame versions
q Zoom with selection of enlarged picture segment
(8 x 12 positions)
q Pin-programmable operation without standard
conversion
P-LCC-44-1
MOS IC
Type
SDA 9220-5
Ordering Code
Q67100-H5087
Package
P-LCC-44-1 (SMD)
Functional Description
The MSC III is a component of the TV-SAM Featurebox and is responsible for driving the picture
memory devices (TV-SAMs) and generating sync signals (figure 6). Together with the other
devices of the Featurebox it enhances picture quality and offers a number of special operating
modes.
The MSC III is set via the I²C Bus, it being possible to switch the I²C Bus address by hardware so
that implementation of a simple frame Featurebox is possible in conjunction with the signal MUX
supplied by the MSC III.
Other major output signals of the SDA 9220-5, in addition to the clocks LL3X (13.5 MHz) and LL1.5X
(27 MHz), are the memory-driving signals (RA, RB, WT, RE, SCAD, SCA) and the sync signal CSY
for the teletext device. The horizontal sync signals (HS2, BLN2) and the vertical sync signals (VS1,
VS2) are also generated.
Semiconductor Group
117
01.94