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TTP229-HSB Datasheet(PDF) 9 Page - Tontek Design Technology |
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TTP229-HSB Datasheet(HTML) 9 Page - Tontek Design Technology |
9 / 12 page Preliminary TTP229-HSB TonTouchTM 09’/12/22 Page 9 of 12 Ver : 1.1 10. Option table Option table: Option pin Option states Feature Remark 1 2-wires serial interface => CMOS output active-low Default TP1 (SAHL) 0 2-wires serial interface => CMOS output active-high TP3 (SKMS1) TP4 (SKMS0) 1 1 All Single-keys:one group(8keys) Default 1 0 Two groups operate: group-1=>Single key;group-2=>Single key 0 1 Two groups operate: group-1=>Single key;group-2=>Multi key TP3 (SKMS1) TP4 (SKMS0) 0 0 All Multi-keys:one group(8 keys) 1 8Hz sampling rate for wake-up in sleep mode Default TP5 (WPSCT) 0 64Hz sampling rate for wake-up in sleep mode 1 Wake-up sampling length=>about 4.0ms Default TP6 (SLWPTM) 0 Wake-up sampling length=>about 2.0ms 1 Maximum key-on time disable=>infinite Default TP7 (SKSRT) 0 Maximum key-on time enable=>about 80sec Note:1. About the combinations of group-1 and group-2, please see above point-4. 2. Option states “1” mean internal pull-up (default). 3. Option states “0” mean that option pins are via high-value resistors connected to VSS. |
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