UPD6461GS datasheet(12/60 Pages) NEC

12 / 60 page

µPD6461, 6462

Option A output

Output pin control bits

VC2

VC1

Output from each pin

VC1: Outputs the specified row. VC2: Fixed to low level.

(1)

VC1: Fixed to low level. VC2: Outputs specified row.

(2)

For case

(1) above

For case

(2) above

VC1 channel

VC2 channel

VC1 channel

VC2 channel

Outputs the logical OR of the character signals at

the VR, VG, and VB pins (for the specified rows),

excluding those characters for which the VC2 chan-

nel has been specified.

Fixed to low level (for the specified rows)

Outputs those characters for which the VC2 chan-

nel has been specified (for 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 the 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 the areas for

which the VC2 channel has been specified.

Background signal (if specified)

Output

channel

Character signal

Option B output

Output pin control bits

VC2

VC1

Output from each pin

VC1: Outputs all rows. VC2: Fixed to low level.

(1)

VC1: Outputs all rows. VC2: Outputs a specified row.

(2)

For case

(1) above

For case

(2) above

VC1 channel

VC2 channel

VC1 channel

VC2 channel

Outputs the logical OR of the character signals at

the VR, VG, and VB pins (for all rows), excluding

those characters for which the VC2 channel has

been 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 all rows), excluding

those characters for which the VC2 channel has

been specified.

Outputs the characters for which the VC2 channel

is specified (for 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.

Background signal (if specified)

Output

channel

Character signal

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