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UPD6462GS Datasheet(PDF) 31 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) 31 Page - NEC

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31
µPD6461, 6462
3.8 OUTPUT PIN CONTROL COMMAND
This command distributes character signals to the VC1 and VC2 channels (this command is a 2-byte command, requiring
16 bits for each command, even when continuously input). The
µPD6461, 6462 support a mask option for selecting one
of three formats for the output distribution format for the VC1 and VC2 channels.
(1) For MSB-first transfer (Command bits are input starting from the MSB (D15).)
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.
(2) For LSB-first transfer (Command bits are input starting from the LSB (D0). The function of each bit is the same as
that for MSB-first transfer.)
•
Row specification bits
Output distribution to the VC1 and VC2 pins is specified for each row (or for 12 columns). These bits are used to
specify the row.
•
Output pin control bits
These bits are used to distribute character output signals to the VC1 and VC2 pins depending on whether option
A, B, or C has been selected by specifying a mask option (the corresponding blanking signals are output likewise).
(LSB)
(MSB)
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
00111001
AR0
AR1
AR2
AR3
00
VC1
VC2



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