GPIO Alternate Function

GPIO Pull ALT0 ALT1 ALT2 ALT3 ALT4 ALT5
0 HIGH I2C0_SDA SA5 RESERVED
1 HIGH I2C0_SCL SA4 RESERVED
4 HIGH GPCLK0 SA1 RESERVED ARM_TDI
7 HIGH SPIO_CE1_N SWE_N RESERVED
8 HIGH SPIO_CE0_N SDO RESERVED
9 LOW SPIO_MISO SD1 RESERVED
10 LOW SPIO_MOSI SD2 RESERVED
11 LOW SPIO_SCLK SD3 RESERVED
14 LOW UART0_TXD SD6 RESERVED TXD1
15 LOW UART0_RXD SD7 RESERVED RXD1
17 LOW RESERVED SD9 RESERVED RTS0 SP11_CE1_N RTS1
18 LOW PCM_CLK SD10 RESERVED BS SDA / MOSI SP11_CE0_N PWM0
21 LOW PCM_DOUT SD13 RESERVED BSCSL / CD_N SP11_SCLK GPCLK1
22 LOW RESERVED SD14 RESERVED SD1_CLK ARM_TRST
23 LOW RESERVED SD15 RESERVED SD1_CMD ARM_RTCK
24 LOW RESERVED SD16 RESERVED SD1_DAT0 ARM_TDO
25 LOW RESERVED SD17 RESERVED SD1_DAT1 ARM_TCK P_JV