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UPD6462GS Datasheet(PDF) 11 Page - NEC

Part # UPD6462GS
Description  CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY 12 ROWS x 24 COLUMNS
PDF  60 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD6462GS Datasheet(HTML) 11 Page - NEC

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11
µPD6461, 6462
1.4 DISPLAY IN RGB+VC1+VC2 MODE
The
µPD6461, 6462 provide three options, A, B, and C, for the output distribution format. This section describes how
character signals are output when each option is selected. Output is controlled with the output pin control command (refer
to 3.8 OUTPUT PIN CONTROL COMMAND for details).
Output pin control command for MSB-first transfer (Command bits are input starting from the most significant bit (MSB),
D15.)
(This command is a 2-byte command. 16 bits must be input for each command, even for continuous input.)
D15
1
D14
0
D13
0
D12
1
D11
1
D10
1
D9
0
D8
0
D7
VC2
D6
VC1
D5
0
D4
0
D3
AR3
D2
AR2
D1
AR1
D0
AR0
AR3
0
0
1
AR2
0
0
0
AR1
0
0
1
AR0
0
1
1
VC2
0
0
VC1
0
1
VC2
0
0
VC1
0
1
VC2
0
0
1
1
VC1
0
1
0
1
(MSB)
(LSB)
Row specification bits
Function
Specifies row 0.
Specifies row 1.
Specifies row 11.
Other values are invalid.
Option A
Output pin control bits
Output from each pin
VC1: Outputs a specified row. VC2: Fixed to low level.
VC1: Fixed to low level. VC2: Outputs a specified row.
Option B
Output pin control bits
Output from each pin
VC1: Outputs all rows. VC2: Fixed to low level.
VC1: Outputs all rows. VC2: Outputs a specified row.
Option C
Output pin control bits
Output from each pin
VC1: Outputs columns 0 to 23. VC2: Fixed to low level.
VC1: Outputs columns 0 to 11. VC2: Outputs columns 12 to 23.
VC1: Outputs columns 12 to 23. VC2: Outputs columns 0 to 11.
VC1: Fixed to low level. VC2: Outputs columns 0 to 23.
•
Row specification
You can specify whether the VC1 or VC2 pin is used to output the character signals for each row (or each 12 columns).
•
Output pin control
The signals output from the VC1 and VC2 pins depend on whether option A, B, or C is selected (the corresponding
blanking signals are output in the same way).



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