Can P10, P13, and P14 each be used for GPIO functions? Are there any restrictions to these pins?
Can P11 be used for GPIO or only for wakeup?
Yes, you can use all those pins as GPIOs on the RT1062. P11 can also be used as a GPIO. It only becomes a wake-up pin during deep sleep.
I see P9_PWM on the schematic (RT1060r2) going to GPIO_B1_00. P10_PWM conects with PWM_FSIN, is pulled up, and goes to GPIO_SD_B1_01.
P13 goes to JTAG_TRSTB through R72 to CHG to a 100k pull-up. But the schematic shows DNP for R72. At power-up, before running any code, P13 and P14 are at 3.3V.
Are P13 and P14 externally pulled-up?
P13 and P14 are re-purposed JTAG pins as they can’t be used unless you blow a fuse putting the MCU into jtag mode from SWD mode which is the default.
P14 has a 47K pull up.
P13 has a 47K pull up.
NOTE: You can find the MCU pull up details on the datasheet if you ever want to know what’s on any of it’s pins.
