Looking at the SPRESENSE specification, it is divided into three parts:
I need two UARTs and six GPIOs for an external connection, and one of the UARTs uses the micro USB of the main board CN2, and I would like to connect to the other one from GPIO.In this case, we would like to use 6-9 pins and 12 and 13 as GPIO using UART communication on 2-3 pins.
The CXD5602 pin name says 6-9, 12, and 13 pins are I2S, SPI and IRQ, but is it possible to use this as just a GPIO?
spresense gpio
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