SCLK = pin.SPI0_SCLK
MOSI = pin.SPI0_MOSI
MISO = pin.SPI0_MISO
-SPI_CS0 = pin.SPI0_CS0
+CS0 = pin.SPI0_CS0
+CS1 = pin.GPIOH_6
+SPI_CS0 = CS0 # aliased for backward compatibility
"""J2: physical pin number"""
""" PWM """
PWM = D15
+
+""" UART """
+UART0_TX = D8
+UART0_RX = D10