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UPD6461GS 数据表(PDF) 13 Page - NEC

部件名 UPD6461GS
功能描述  CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY 12 ROWS x 24 COLUMNS
PDF  60 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

UPD6461GS 数据表(HTML) 13 Page - NEC

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13
µPD6461, 6462
Option C output
The RGB and VC1 channels do not output character signals for characters for which the VC2 channel has been specified.
Background signals are output separately as listed above.
In addition, the
µPD6461, 6462, when set to RGB+VC1+VC2 mode, provide the following output control:
•
Independent on/off control of character display for each channel (3-channel independent display on/off command)
•
Independent control of the background for each channel (3-channel independent background control command)
Output pin control bits
VC2
VC1
Output from each pin
00
VC1: Outputs columns 0 to 23. VC2: Fixed to low level.
(1)
01
VC1: Outputs columns 0 to 11. VC2: Outputs columns 12 to 23.
(2)
10
VC1: Outputs columns 12 to 23. VC2: Outputs columns 0 to 11.
(3)
11
VC1: Fixed to low level. VC2: Outputs columns 0 to 23.
(4)
For case
(1) above
For case
(2) above
For case
(3) above
For case
(4) above
VC1 channel
VC2 channel
VC1 channel
VC2 channel
VC1 channel
VC2 channel
VC1 channel
VC2 channel
Outputs the logical OR of the character signals at
the VR, VG, and VB pins (for columns 0 to 23 in the
specified rows), excluding those characters for
which the VC2 channel has specified.
Fixed to low level (for the specified rows)
Outputs the logical OR of the character signals at
the VR, VG, and VB pins (for columns 0 to 11 of the
specified rows), excluding those characters for
which the VC2 channel has been specified.
Outputs the characters for which the VC2 channel
has been specified (for columns 12 to 23 of the
specified rows).
Outputs the logical OR of the character signals at
the VR, VG, and VB pins (for columns 12 to 23 of the
specified rows), excluding those characters for which
the VC2 channel has been specified.
Outputs the characters for which the VC2 channel
has been specified (for columns 0 to 11 of the
specified rows).
Fixed to low level (for the specified rows)
Outputs the characters for which the VC2 channel
has been specified (for columns 0 to 23 in the
specified rows).
Outputs a background signal for areas other than
those for which the VC2 channel has been specified.
Outputs a background signal for those areas for
which the VC2 channel has been specified.
Outputs a background signal for areas other than
those for which the VC2 channel has been specified.
Outputs a background signal for those areas for
which the VC2 channel has been specified.
Outputs a background signal for areas other than
those for which the VC2 channel has been specified.
Outputs a background signal for those areas for
which the VC2 channel has been specified.
Outputs a background signal for areas other than
those for which the VC2 channel has been specified.
Outputs a background signal for those areas for
which the VC2 channel has been specified.
Background signal (if specified)
Output
channel
Character signal



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