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BU2505FV 数据表(PDF) 5 Page - Rohm |
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BU2505FV 数据表(HTML) 5 Page - Rohm |
5 / 9 page BU2506FV,BU2505FV Technical Note 5/8 www.rohm.com 2009.06 - Rev.A © 2009 RzOHM Co., Ltd. All rights reserved. ● Command Transmission 1) Reverse = open (or VCC short-circuit) setting (Data: LSB first) (1) Data format (2) Data timing diagram D3 D2 D1 D0 Address Selection 0 0 0 0 Inconsequential 0 0 0 1 AO1 selection 0 0 1 0 AO2 selection 0 0 1 1 AO3 selection 0 1 0 0 AO4 selection 0 1 0 1 AO5 selection 0 1 1 0 AO6 selection 0 1 1 1 AO7 selection 1 0 0 0 AO8 selection 1 0 0 1 AO9 selection *1 1 0 1 0 AO10 selection *1 1 0 1 1 Inconsequential 1 1 0 0 Inconsequential 1 1 0 1 Inconsequential 1 1 1 0 Inconsequential 1 1 1 1 Inconsequential D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D/A output (VrefH=VDD, VrefL=VSS) 0 0 0 0 0 0 0 0 0 0 VrefL 0 0 0 0 0 0 0 0 0 1 (VrefH-VrefL)/1024×1+VrefL 0 0 0 0 0 0 0 0 1 0 (VrefH-VrefL)/1024×2+VrefL 0 0 0 0 0 0 0 0 1 1 (VrefH-VrefL)/1024×3+VrefL : : : : : : : : : : : 1 1 1 1 1 1 1 1 1 0 (VrefH-VrefL)/1024×1022+VrefL 1 1 1 1 1 1 1 1 1 1 (VrefH-VrefL)/1024×1023+VrefL 2) Reverse = L setting(Data: MSB first ) (1) Data format (2) Data timing diagram D3 D2 D1 D0 Address selection 0 0 0 0 Inconsequential 0 0 0 1 AO1 selection 0 0 1 0 AO2 selection 0 0 1 1 AO3 selection 0 1 0 0 AO4 selection 0 1 0 1 AO5 selection 0 1 1 0 AO6 selection 0 1 1 1 AO7 selection 1 0 0 0 AO8 selection 1 0 0 1 AO9 selection *1 1 0 1 0 AO10 selection *1 1 0 1 1 Inconsequential 1 1 0 0 Inconsequential 1 1 0 1 Inconsequential 1 1 1 0 Inconsequential 1 1 1 1 Inconsequential D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D/A output (VrefH=VDD, VrefL=VSS) 0 0 0 0 0 0 0 0 0 0 VrefL 1 0 0 0 0 0 0 0 0 0 (VrefH-VrefL)/1024×1+VrefL 0 1 0 0 0 0 0 0 0 0 (VrefH-VrefL)/1024×2+VrefL 1 1 0 0 0 0 0 0 0 0 (VrefH-VrefL)/1024×3+VrefL : : : : : : : : : : : 0 1 1 1 1 1 1 1 1 1 (VrefH-VrefL)/1024×1022+VrefL 1 1 1 1 1 1 1 1 1 1 (VrefH-VrefL)/1024×1023+VrefL *1 In the BU2506FV, this channel is for testing, therefore, do not designate. Last MSB First LSB D 11 D10 D 9 D 8 D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0 D/Aコンバータ出力設定用 アドレス選択用 D 13 D12 D0 D1 D2 D3 D11 D12 D13 LSB MSB DI CLK LD DA OUTPUT Last MSB First LSB D 6 D 7 D 8 D 9 D 10 D11 D12 D13 D 3 D 2 D 1 D 0 D/Aコンバータ出力設定用 アドレス選択用 D 4 D 5 D0 D1 D2 D3 D11 D12 D13 LSB MSB DI CLK LD DA OUTPUT For D/A converter output setting For address selection For D/A converter output setting For address selection |
类似零件编号 - BU2505FV |
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类似说明 - BU2505FV |
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