User's Manual

I39
5
I
GPIO39, ADC1_CH3, RTC_GPIO3
I34
6
I
GPIO34, ADC1_CH6, RTC_GPIO4
I35
7
I
GPIO35, ADC1_CH7, RTC_GPIO5
IO32
8
I/O
GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input),
ADC1_CH4, TOUCH9, RTC_GPIO9
IO33
9
I/O
GPIO33, XTAL_32K_N (32.768 kHz crystal oscillator output),
ADC1_CH5, TOUCH8, RTC_GPIO8
IO25
10
I/O
GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6
I2C_SDA
11
I/O
GPIO26, I2C_SDA
I2C_SCL
12
I
GPIO27, I2C_SCL
TMS
13
I/O
GPIO14, MTMS
TDI
14
I/O
GPIO12, MTDI
+5V
15
PI
5 V power supply input
GND
16,
17
PI
Ground
VIN
18
I/O
12 V / 24 V power supply input
TCK
19
I/O
GPIO13, MTCK
TDO
20
I/O
GPIO15, MTDO
EBUS2
21,
35
I/O
GPIO19/GPIO22, EBUS2
IO2
22
I/O
GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP,
HS2_DATA0
IO0_FLASH
23
I/O
Download Boot: 0;
SPI Boot: 1(Default).
IO4
24
I/O
GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD,
HS2_DATA1
IO16
25
I/O
GPIO16, HS1_DATA4
5V_UART1_TX
D
26
O
GPIO23, 5V UART Data Transmit
5V_UART1_RX
D
27
I
GPIO18, 5V UART Data Receive
IO17
28
-
GPIO17, HS1_DATA5
IO5
29
I/O
GPIO5, VSPICS0, HS1_DATA6
U0RXD
31
I/O
GPIO3, U0RXD
U0TXD
30
I/O
GPIO1, U0TXD
IO21
32
I/O
GPIO21, VSPIHD
GND
33
PI
EPAD, Ground
+3.3V
34
PO
3.3V Power supply output