r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 647

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
Figure 25.13
As a result, as shown in Figure 25.13, the voltage level at the CHxA pin changes and the count value gets smaller.
The sensor control unit detects this difference to implement touch detection.
Threshold voltage at
CHxA pin (Vth)
Preliminary document
Specifications in this document are tentative and subject to change.
Variation of Measured Value with and without Finger Touch
Voltage
Count values  smaller
Count value  larger
Vc
Va (with
finger touch)
finger touch)
Va (without
Time (count value)
25. Sensor Control Unit
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