MB88346L Просмотр технического описания (PDF) - Fuji Electric
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MB88346L Datasheet PDF : 18 Pages
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MB88346L
s DATA CONFIGURATION
The MB88346L has a 12-bit shift register for chip control functions. The 12-bit shift register must be used to set
up data in the configuration shown below.
The data configuration has a total of 12 bits, four for address selection and eight for D/A data output.
1. Shift Register Control Data Configuration
Last
First
LSB
MSB
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
D/A data output
Address selection
2. D/A Converter Control Signals
D0 D1 D2 D3 D4 D5 D6 D7
D/A data output
0
0
0
0
0
0
0
0
≅ VSS
1
0
0
0
0
0
0
0
≅ VLB+ VSS
0
1
0
0
0
0
0
0
≅ VLB × 2 + VSS
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
0
1
1
1
1
1
1
1
≅ VLB × 254 + VSS
1
1
1
1
1
1
1
1
≅ VDD
VLB = (VDD – VSS)/255
5
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