saa7105e-v1-g NXP Semiconductors, saa7105e-v1-g Datasheet - Page 38

• Manufacturer Part Number: saa7105e-v1-g
• Description: Digital Video Encoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
SAA7104E_SAA7105E_2
Product data sheet
Table 33:
Legend: * = default value after reset.
Table 34:
Legend: * = default value after reset.
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3 and 2 -
Symbol
CBENB
-
SYNTV
SYMP
DEMOFF R/W
CSYNC
Y2C
UV2C
Symbol Access Value Description
VPSEN R/W
-
GPVAL
GPEN
Input port control 1 register, subaddress 3Ah, bit description
VPS enable, input control 2, subaddress 54h, bit description
R/W
R/W
R/W
R/W
Access Value Description
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Rev. 02 — 23 December 2005
0*
1
0
0
1
0*
1
0
0
1
0
0*
1
0*
1
0*
1
0
1
0
1*
0
1*
video programming system data insertion
is disabled
in line 16 is enabled
must be programmed with logic 0 to ensure compatibility to
future enhancements
if GPEN = 1, pin VSM provides
LOW level
HIGH level
pin VSM provides
vertical sync for a monitor
constant signal according to GPVAL
must be programmed with logic 0 to ensure compatibility to
future enhancements
data from input ports is encoded
color bar with fixed colors is encoded
must be programmed with logic 0 to ensure compatibility to
future enhancements
in Slave mode
the encoder is only synchronized at the beginning of an odd
field
the encoder receives a vertical sync signal
horizontal and vertical trigger
taken from FSVGC or both VSVGC and HSVGC
decoded out of ‘ITU-R BT.656’ compatible data at PD port
Y-C
active
bypassed
pin HSM_CSYNC provides
horizontal sync for non-interlaced VGA components output
(at PIXCLK)
composite sync for interlaced components output (at XTAL
clock)
input luminance data
twos complement from PD input port
straight binary from PD input port
input color difference data
twos complement from PD input port
straight binary from PD input port
B
-C
R
SAA7104E; SAA7105E
to RGB dematrix
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Digital video encoder
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