51.21 Peripheral Touch Controller (PTC) Electrical Specifications
| AC CHARACTERISTICS | Standard
Operating Conditions: VDDREG=VDDIO=AVDD 1.71V to 3.6V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial |
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|---|---|---|---|---|---|---|---|---|
| Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions | |
| PTC_1 | CLOAD SC (1) | Self Capacitance Mode (PTC Channel Y0 - Y31) | Yn | — | — | 70 | pF | Maximum sensor load capacitance (1) |
| PTC_3 | CLOAD MC (1) | Mutual Capacitance Mode (PTC Channel Y0 - Y31) | — | — | 35 | pF | ||
| PTC_4A | fPTC (2) | PTC Frequency | — | — | 4 | MHz | — | |
| PTC_4B | Twarm | Warm-up time | — | — | 500 PTC clock cycles | µs | — | |
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Note:
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