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EKTF6708 Datasheet(PDF) 104 Page - ELAN Microelectronics Corp |
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EKTF6708 Datasheet(HTML) 104 Page - ELAN Microelectronics Corp |
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104 / 158 page ![]() eKTF6708 8-Bit Microcontroller 94 IC Product Specification (V1.2) 03.12.2020 (This specification is subject to change without prior notice) TK initial TK Scan time period time TK sensing TK sensing OK, TKSF=1 Fail, TKPESF=1 Control the TKCSR register to adjust touch key sensitivity. TKCSR =0x00 has a higher sensitivity, whereas TKCSR= 0x0F has a lower sensitivity. In some high noise environment or waterproof applications, user can adjust the TKSWR register to control the sensing detect window. TKSWR =0x00 is a small sensing window with less noise & sensing data. On the other hand, TKSWR =0x1F is a big sensing window with greater noise & sensing data. 6.7.3 Touch Key Idle-Scan mode This body support Idle-Scan touch key in IDLE mode. User can enable it by setting the TKISE. In this mode, when the CPU enters into Idle mode, it will interval some time to scan the touch key automatically. Also, touch and pins will be combined to scan together. TKST[2:0] Idle-Scan interval Time (mS) 000 12.5 001 25 010 50 011 100 100 200 101 400 110 800 111 1600 TKMC[1:0] Group A combine pins 00 Not Combined, Only 1 Key with TKASCR is selected 01 TK1~ TK8 10 TK1~Tk4 11 TK5~TK8 |
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