UPD6461GS NEC [NEC], UPD6461GS Datasheet - Page 11

• Manufacturer Part Number: UPD6461GS
• Description: CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY 12 ROWS x 24 COLUMNS
• Manufacturer: NEC [NEC]

1.4 DISPLAY IN RGB+V
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).
D15.)
• Row specification
• Output pin control
The PD6461, 6462 provide three options, A, B, and C, for the output distribution format. This section describes how
Output pin control command for MSB-first transfer (Command bits are input starting from the most significant bit (MSB),
(This command is a 2-byte command. 16 bits must be input for each command, even for continuous input.)
blanking signals are output in the same way).
(MSB)
D15
You can specify whether the V
The signals output from the V
1
D14
0
D13
0
D12
C1
1
+V
C2
D11
MODE
1
C1
C1
or V
and V
D10
1
C2
C2
pin is used to output the character signals for each row (or each 12 columns).
D9
0
pins depend on whether option A, B, or C is selected (the corresponding
Option C
Option A
Option B
D8
0
AR3
V
V
V
V
D7
0
0
1
0
0
0
0
0
0
1
1
C2
C2
C2
C2
AR2
V
V
V
V
0
0
0
0
1
0
1
0
1
0
1
D6
C1
C1
C1
C1
V
V
V
V
V
V
V
V
AR1
C1
C1
C1
C1
C1
C1
C1
C1
D5
0
0
1
: Outputs columns 0 to 11. V
: Outputs columns 12 to 23. V
: Outputs columns 0 to 23. V
: Fixed to low level. V
0
: Outputs a specified row. V
: Fixed to low level. V
: Outputs all rows. V
: Outputs all rows. V
Other values are invalid.
Output pin control bits
Output pin control bits
Output pin control bits
Row specification bits
Output from each pin
Output from each pin
Output from each pin
AR0
D4
0
1
1
0
AR3
D3
C2
C2
C2
C2
: Outputs columns 0 to 23.
Specifies row 11.
: Fixed to low level.
: Outputs a specified row.
AR2
Specifies row 0.
Specifies row 1.
D2
: Outputs a specified row.
C2
C2
: Outputs columns 12 to 23.
: Outputs columns 0 to 11.
Function
C2
C2
: Fixed to low level.
PD6461, 6462
: Fixed to low level.
AR1
D1
AR0
(LSB)
D0
11