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Pin Definitions
Pin definition
VCC3.3_IO
GPIO2_B1/I2C6_SDA
GPIO2_B2/I2C6_SCL
GPIO0_B0/CLKOUT
GND
GPIO2_C3/UART0_RTSN
GPIO2_C5/SPI5_TXD
GPIO2_C4/SPI5_RXD
VCC3.3_IO
GPIO1_B0/SPI1_TXD/UART4_TX
GPIO1_A7/SPI1_RXD/UART4_RX
GPIO1_B1/SPI1_CLK
GND
GPIO2_A7/I2C7_SDA
GPIO3_D6/I2S0_SDI1SDO1
GPIO3_D5/I2S0_SDI1SDO2
GPIO4_C6/PWM1
GPIO3_D1/I2S0_LRCK
GPIO4_C5/SPDIF_TX
GND
2. SOC RK3399
This ARM® system on a chip (SoC) features the new 64-bit Armv8
architecture and Arm® big.LITTLE™ technology's 6-core processor,
provides improved performance and comes bundled with Arm®
Mali®-T860 MP4 GPU.
40P GPIO
Pin definition
1
2
VCC5V
3
4
5
6
GND
7
8
GPIO2_C1/UART0_TX
9
10
GPIO2_C0/UART0_RX
11
12
GPIO3_D1/I2S0_SCLK
13
14
GND
15
16
GPIO2_C6/SPI5_CLK
17
18
GPIO2_C7/SPI5_CSN0
19
20
GND
21
22
GPIO3_D4/I2S0_SDI1SDO3
23
24
GPIO1_B2/SPI1_CSN0
25
26
GPIO0_A6/PWM3A_IR
27
28
GPIO2_B0/I2C7_SCL
29
30
GND
31
32
GPIO4_C2/PWM0
33
34
GND
35
36
GPIO2_C2/UART0_CTSN
37
38
GPIO3_D3/I2S0_SDI0
39
40
GPIO3_D7/I2S0_SDO0
ASUS Tinker System 2 Series
15
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