BU9795AKV Datasheet, PDF (7/16 Pages) Rohm – Standard function Segment Drivers

BU9795AKV, BU9795AFV, BU9795AGUW
Technical Note
●Command Description
D7 (MSB) is bit for command or data judgment.
Refer to Command and data transfer method.
C: 0: Next byte is RAM write data.
1: Next byte is command.
○ Mode Set (MODE SET)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
C
1
0
*
P3 P2
*
*
(*:Don’t care)
Set display ON and OFF
Setting
Display OFF (DISPOFF)
Display ON (DISPON)
Set bias level
Setting
P2
1/3 Bias
0
1/2 Bias
1
P3
Reset initialize condition
0
○
1
Reset initialize condition
○
○ Address set (ADSET)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
C
0
0 P4 P3 P2 P1 P0
Address data is specified in P[4:0] and P2 (ICSET command) as follows.
Internal register
Bit of each command
MSB
Address [5]
ICSET [P2]
Address [4]
ADSET [P4]
・・・
・・・
LSB
Address [0]
ADSET [P0]
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7/15
2009.07 - Rev.B