MB88347PFV 데이터 시트보기 (PDF) - Fujitsu
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MB88347PFV Datasheet PDF : 20 Pages
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MB88347
■ DATA FOR CHIP CONTROL
1. Data for Shift Register
• MB88347 has 12-bit shift register for chip control.
• It is necessary to set the data as following configuration to 12-bit shift register.
• The data consists of 12 bits: a 4-bit address selection and an 8-bit D/A converter control signal.
Last
(LSB)
First
(MSB)
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D/A converter control signal
Address selected signal
2. D/A Converter Control Signal
Input data signal
D0
D1
D2
D3
D4
D5
D6
D7
D/A converter output voltage
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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