bh2219fvm ROHM Co. Ltd., bh2219fvm Datasheet - Page 5

• Manufacturer Part Number: bh2219fvm
• Description: Standard 8bit 2ch?3ch Type D/a Converters Now Available
• Manufacturer: ROHM Co. Ltd.

●Operation Description
Channel Setting (BH2219FVM)
Channel setting (BH2220FVM)
Data Settings
Serial Interface
The Control command consists of 3 lines of 12bit serial input data (MSB first).
DI data is read at the rising edge of the CLK, and is held in the LD Low area.
The output data is determined in LD High area.
D0
D8
D8
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
D1
D9
D9
CLK
0
0
1
1
0
1
1
0
0
1
1
0
0
1
1
LD
DI
D10
D10
D2
X
X
X
X
X
X
X
X
0
0
0
0
1
1
1
X
D11
D11
D11
D3
1
0
0
0
0
0
1
1
X
X
X
X
X
X
X
X
D10
~
2
AO1
AO2
Inconsequential
Inconsequential
AO1
AO2
AO3
Inconsequential
D4
0
0
0
0
0
1
1
D9
3
D8
4
Setting
Setting
D5
0
0
0
0
0
1
1
D7
5
Fig.5
5/9
D6
6
D6
0
0
0
0
0
1
1
D5
7
D7
0
0
0
0
0
1
1
D4
8
D3
(VCC-GND)/256x1
(VCC-GND)/256x2
(VCC-GND)/256x3
(VCC-GND)/256x4
~
(VCC-GND)/256x254
(VCC-GND)/256x255
9
GND
D2
10
D1
11
Setting
D0
12
X