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BU21049GUL-E2 データシート(PDF) 7 Page - Rohm |
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BU21049GUL-E2 データシート(HTML) 7 Page - Rohm |
7 / 26 page BU21049GUL TSZ02201-0Y1Y0F300010-1-2 © 2011 ROHM Co., Ltd. All rights reserved. 31.JAN.2012 Rev.001 www.rohm.co TSZ22111・15・001 7/23 Datasheet Datasheet CF= 0000 : Automatic scan The BU21049GUL periodically scan touch screen and convert without the host processor while detecting touch. When touch is not detected, BU21049GUL stop function and keep power down state until detect next pen-down. The order of scan process is Z1, Z2, X and Y. CF= 0001, 0110, 0111, 1011 No operation. (“PDM” and “STP” is valid.) CF= 0100 : Free scan mode Selectable the driver (X+, X-, Y+, Y-) state and convert input(X+, X-, Y+, Y-, AUX) as optionally by register setting. CF= 0101 : Calibration Calibrate parameter for dual touch detection. To activate dual touch function, need to set CF=0101 and execute calibration command after power on. CF= 1000, 1001, 1010: Drivers status control Activate analog circuit and panel driver corresponding to each command. BU21049GUL keep this state until receive other SCAN instruction or be set “STP”. CF= 1100, 1101, 1110: Manual scan Convert coordination which corresponding to each command. BU21049GUL change state to power down after complete conversion when “PDM” is set “0”, and if “PDM” is set “1”, keep power on. CF= 0011, 1111 Reserved. Bit D2:CMSK 0=Execute convert function. 1=NOT execute convert function, only use for reading the convert result. Bit D1:PDM Power down control 0= Power down after converter function stop. 1= NOT power down after converter function stop. Bit D0:STP 1=The BU21049GUL abort current running conversion and change state to power down. STP is automatically set “0”. |
同様の部品番号 - BU21049GUL-E2 |
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同様の説明 - BU21049GUL-E2 |
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