KC868-M16 ESP32 I/O pin define

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Ethernet (LAN8720) I/O define:

#define ETH_ADDR        0
#define ETH_POWER_PIN  -1
#define ETH_MDC_PIN    23
#define ETH_MDIO_PIN  18
#define ETH_TYPE      ETH_PHY_LAN8720
#define ETH_CLK_MODE  ETH_CLOCK_GPIO17_OUT

IIC BUS:
SDA:4
SCL:5

SD card:
MISO: 2
MOSI: 15
SCK: 14


analog input1 (CH1) 36
analog input1 (CH2) 34
analog input1 (CH3) 39

74HC4067:
S0:32
S1:33
S2:13
S3:16

GPIO35 use for 74HC4067 extend 16 channel analog input