29.4 Signal Description
| Name | Type | Description |
|---|---|---|
| PTC_X[n..0] | Output | 8 X-lines with n=7 Transmit lines in Mutual Capacitance mode. |
| PTC_Y[m..0] | Input | 8 Y-lines with m=7 Receive lines in Mutual/Self-capacitance mode. |
| SCLK | Input | Connection to the product system 32 kHz slow clock |
| RC12MHZ_PTC | Input | Direct connection to the 12 MHz RC oscillator |
| RC12MHZ_REQ | Output | Request to supply the RC12MHz PTC subsystem clock |
| Periph_CLK_PTC | Input | Peripheral clock enabled by the PTC ID (max 83 MHz) |
| Periph_CLK_REQ | Output | Request to supply the peripheral clock |
| PTC_IRQ | Output | One PTC IRQ rises for host flag (28, 29, 30 or 31). |