BU97930MUV_15 Datasheet, PDF (13/32 Pages) Rohm – Multifunction LCD Segment Driver

BU97930MUV MAX 108 segments (SEG27×COM4)
○Address set (ADSET)
MSB
1st byte Command
2nd byte Command
MSB
LSB
D/C D6 D5 D4 D3 D2 D1 D0 Hex
1
0
0
0
0
0
1
1 83h
0
0
0 P4 P3 P2 P1 P0
-
Set start address to write DDRAM data.
The address can be set from 00h to 1Ah. (Address 1Bh is used at dummy address)
Do not set other addresses. (Except 00h to 1Bh address is not acceptable.)
In case writing data to DDRAM, make sure to send RAMWR command.
Reset
-
00h
○Blink set (BLKSET)
1st byte Command
2nd byte Command
MSB
LSB
D/C D6 D5 D4 D3 D2 D1 D0 Hex
1
0
0
0
0
1
0
0 84h
0
0
0
0
0 P2 P1 P0
-
Set Blink ON/OFF.
For more details, please refer to "Blink function".
Blink set
Blink mode(Hz)
OFF
1.6
2.0
2.6
4.0
P2 P1 P0
Reset state
0 0/* 0/*
○
1
0
0
1
0
1
1
1
0
1
1
1
*: Don‟t care
Reset
-
00h
○Blink address set (BLKADSET)
MSB
LSB
D/C D6 D5 D4 D3 D2 D1 D0 Hex
1st byte Command
1
0
0
0
0
1
1
1 87h
2nd byte Command
0
0
0 P4 P3 P2 P1 P0
-
Set Blink data RAM start write address.
The address can be set from 00h to 1Ah. (Address 1Bh is used at dummy address)
Do not set other addresses. (Except 00h to 1Bh address is not acceptable.)
In case writing data to Blink RAM, make sure to send BLKWR command
Reset
-
00h
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
13/28
TSZ02201-0A0A2D300060-1-2
10.Apr.2015 Rev.004