NJU6676 New Japan Radio Co., Ltd., NJU6676 Datasheet - Page 19

• Manufacturer Part Number: NJU6676
• Description: 64-Common x 132-Segment plus 1-Icon Bit Map Type LCD Controller and Driver
• Manufacturer: New Japan Radio Co., Ltd.

3-6) Display data write
This instruction writes display data into the selected column address on the DDRAM.
The column address automatically increments (+1) whenever the display data is written by this
instruction, so that this instruction can be continuously issued without “column address set”
instruction.
3-7) Display data read
This instruction reads out the display data stored in the selected column address on the DDRAM.
The column address automatically increments (+1) whenever the display data is read out by this
instruction, so that this instruction can be continuously issued without “column address set”
instruction.
After the ”column address set” instruction, a dummy read will be required, please refer to the (5-4).
In case of using serial interface mode, this instruction can’t be used.
3-8) ADC select
This instruction selects segment driver direction.
The correspondence between the column address and segment driver direction is shown in Fig.1.
3-9) Inverse display On/Off
This instruction inverses the status of turn-on or turn-off of entire LCD pixels. It doesn’t change the
contents of the DDRAM.
3-10) Entire display On/Off
This instruction turns on entire LCD pixels regardless the contents of the DDRAM. It doesn’t change
the contents of DDRAM.
A0
A0
A0
A0
A0
1
1
0
0
0
RD
RD
RD
RD
RD
1
0
1
1
1
WR
WR
WR
WR
WR
0
1
0
0
0
D7
D7
D7
D7
D7
1
1
1
D6
D6
D6
D6
D6
0
0
0
D5
D5
D5
D5
D5
1
1
1
Read Data
Write Data
D4
D4
D4
D4
D4
0
0
0
D3
D3
D3
D3
D3
0
0
0
D2
D2
D2
D2
D2
0
1
1
D1
D1
D1
D1
D1
0
1
0
D0
D0
D0
D0
D0
0
1
0
1
0
1
Segment driver direction
Entire display on/off
Entire display on
Display status
Normal
Normal
Normal
Inverse
Inverse
PRELIMINARY
NJU6676