product description


LQ3128 core board is a high-performance core board based on quad-core Cortex-A7, using Rockchip RK3128 quad-core Cortex-A7 1.3GHz processor, providing a variety of storage configuration options, users only need to expand the functional backplane to quickly realize project research and production . The layout of the core board is compact and beautiful, with a size of only 67.6mm x 41mm, which can save more valuable space.

3128核心板外观

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Characteristic parameter


Ethernet interface

Core board system parameters
CPURK3128
Main frequencyQuad-core A7 1.3GHz
RAMStandard 1GB, 512GB and 2GB can be customized
MemoryStandard 8GB emmc
Power ICUse RK816, support dynamic frequency modulation
Core board structure parameters
ExteriorStamp hole
size45mm*45mm*3mm
Number of pins144pin
Pin pitch1.2mm
Layerfloor 6
Introduction to the main interfaces supported by the core board
USB HOST  interfaces1 channel OTG2.0
USB OTG  interfaces1 channel OTG2.0
UART  interfaces3 serial ports, 2 with flow control, 1 for DEBUG
PWM  interfaces3 IIC outputs
IIC  interfaces4 IIC outputs
SPI  interfaces1 SPI output
ADC  interfaces3 ADC inputs
Camera  interfaces1 channel BT656/BT601
HDMI  interfacesHigh-definition audio and video output interface, choose one of LCD and HDMI
Start the configuration interfaceCore board automatic adaptation
LCD  interfacesChoose one of TTL, LVDS, MIPI interface
Touch  interfacesCapacitive touch
audio portAC97/IIS interface, support recording and playback
SD card interface2 SDIO output channels
emmc  interfacesOnboard emmc
Support Gigabit Ethernet
Core board electrical characteristics
Input voltage5V enter
The output voltage3.3V/4.2V
Operating temperature-10~70
Storage temperature-10~80 degrees


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Software resource description


The LQ3128 development board supports android6.0 and linux systems. The detailed driver support list is as follows:


PMIC driver (RK816)

LQ3128 development board driver support list

system driver

linux3.10+android6.0

linux3.10+QT

7 Inch MIPI LCD(1024*600)

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●

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Capacitive touch

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●

EMMC driver

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●

SD card driver

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●

Independent button

●

●

Gsensor

●

no need

Buzzer driver

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●

Infrared remote control

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●

Switch machine

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●

Wake up from sleep

●

no need

2-channel USB HOST driver

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1 channel USB OTG driver

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Audio

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●

recording

●

no need

USB WIFI/BT4.0（RT8723BU）

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●

Parallel camera driver

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no need

USB port camera driver

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●

Serial port

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●

HDMI

●

no need

3G module (3G dongle)

●

no need

3G module (PCIE interface)

●

no need

GPS module

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●

Gigabit Ethernet

●

●

USB mouse and keyboard

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Pin definition description


Pin numberSignalillustrate
1VCC_SYSCore board main power output, 4.2V
2CIF_PDN0GPIO3_D7，Ordinary GPIO port
3PWM0GPIO0_D2，Reuse PWM0
4PWM1GPIO0_D3，Reuse PWM1
5PWM2GPIO0_D4，Reuse PWM2
6UART0_RTSGPIO0_C1，Reuse UART0
7UART0_RXDGPIO2_D3，Reuse UART0
8UART0_CTSGPIO2_D5，Reuse UART0
9UART0_TXDGPIO2_D2，Reuse UART0
10IR_RXGPIO3_D2，Multiplexed infrared receiving port
11SPDIF_TXGPIO3_D3，Multiplexed fiber output
12TX_C-HDMI Differential pair
13TX_C+HDMI Differential pair
14TX_0-HDMI Differential pair
15TX_0+HDMI Differential pair
16TX_1-HDMI Differential pair
17TX_1+HDMI Differential pair
18TX_2-HDMI Differential pair
19TX_2+HDMI Differential pair
20VDAC_OUTPDigital-to-analog conversion output
21OTG_IDOTG ID pin
22OTG_DETOTG detection pin
23HOST_DPHOST Differential pair
24HOST_DMHOST Differential pair
25OTG_DPOTG Differential pair
26OTG_DMOTG Differential pair
27SDMMC_DETSDMMC0 Pin pair
28SDMMC_CMDSDMMC0 Pin pair
29SDMMC_D0SDMMC0 Pin pair
30SDMMC_D1SDMMC0 Pin pair
31SDMMC_D2SDMMC0 Pin pair
32SDMMC_D3SDMMC0 Pin pair
33SDMMC_CLKSDMMC0 Pin pair
34I2C3_SDAGPIO0_A7，Multiplexing I2C3_SDA
35I2C3_SCLGPIO0_A6，Multiplexing I2C3_SDA
36VCC_IO3.3V DC-DC Output
37VCC_IO3.3V DC-DC Output
38HDMI_HPDGPIO0_B7，Multiplexing HDMI
39HDMI_CECGPIO0_C4，Multiplexing HDMI 1
40UART1_TXGPIO1_B1，Multiplexing HDMI 1
41UART1_RXGPIO1_B2，Multiplexing HDMI 1
42UART1_RTSGPIO1_B3，Multiplexing HDMI 1
43SPI_CLKGPIO0_B1，Multiplexing SPI
44SPI_CSn0GPIO0_B6，Multiplexing SPI
45SPI_TXDGPIO0_B3，Multiplexing SPI
46SPI_RXDGPIO0_B5，Multiplexing SPI
47SPI_CSn1GPIO1_B4，Multiplexing SPI
48SDMMC1_CLKSDMMC1 Data pair
49SDMMC1_D3SDMMC1 Data pair
50SDMMC1_D2SDMMC1 Data pair
51SDMMC1_D1SDMMC1 Data pair
52SDMMC1_D0SDMMC1 Data pair
53SDMMC_PWRSDMMC1 Data pair
54I2C1_SDA/SDMMC1_CMDSDMMC1 Data pair，Multiplexing I2C1
55I2C1_SCLGPIO0_A2，Multiplexing I2C1
56I2C0_SCLGPIO0_A0，Multiplexing I2C0
57I2C0_SDAGPIO0_A1，Multiplexing I2C0
58GSENSOR_INTGPIO0_B4，Multiplexing I2S interface
59TP_INTGPIO1_B0，Multiplexing UART1
60SPK_CTLGPIO0_D6，Ordinary GPIO
61TP_RSTGPIO0_D1，Utilize UART2
62HP_CTLGPIO3_C4，Ordinary GPIO
63LCD_RSTGPIO0_D0，Multiplexing UART2
64GPIO3_C7GPIO3_C7，Ordinary GPIO
65GPIO1_C7GPIO1_C7，Ordinary GPIO
66GPIO2_A2GPIO2_A2，Ordinary GPIO
67GPIO1_A7GPIO1_A7，Ordinary GPIO
68GPIO2_A0GPIO2_A0，Multiplexing SPI
69GPIO2_A1GPIO2_A1，Ordinary GPIO
70GPIO0_C7GPIO0_C7，Ordinary GPIO
71GPIO2_A6GPIO2_A6，Ordinary GPIO
72GNDGND
73GND大地
74GPIO2_A4GPIO2_A4，Ordinary GPIO
75GPIO3_C6GPIO3_C6，Ordinary GPIO
76GPIO2_A3GPIO2_A3，Ordinary GPIO
77GPIO1_A3GPIO1_A3，Multiplexing I2S
78GPIO3_C5GPIO3_C5，Multiplexing I2S
79CODEC_AOLAudio output
80CODEC_AORAudio output
81MICBIASMIC offset
82MICIN-PAudio input
83MICIN-NAudio input
84HP_DETHeadphone detection foot
85LCD_D23GPIO2_D1，Multiplexing LCD, MAC
86LCD_D22GPIO2_D0，Multiplexing LCD, MAC
87LCD_D21GPIO2_C7，Multiplexing LCD, MAC
88LCD_D20GPIO2_C6，Multiplexing LCD, MAC
89I2C2_SCL_LCD_19GPIO2_C5，Multiplexing LCD, MAC
I2C2
90I2C2_SDA_LCD_18GPIO2_C4，Multiplexing LCD, MAC
I2C2
91LCD_D17GPIO2_C3，Multiplexing LCD, MAC
92LCD_D16GPIO2_C2，Multiplexing LCD, MAC
93LCD_D15GPIO2_C1，Multiplexing LCD, MACC
94LCD_D14GPIO2_C0，Multiplexing LCD, MAC
95LCD_D13GPIO2_B7，Multiplexing LCD, MAC
96LCD_D12GPIO2_B6，Multiplexing LCD, MAC
97LCD_D11GPIO2_B5，Multiplexing LCD, MAC
98LCD_D10GPIO2_B4，Multiplexing LCD, MAC
99LCD_D9Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
100LCD_D8Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
101LCD_D7Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
102LCD_D6Multiplexing RGB, LVDS, MIPI ports,，
Cannot be used as an independent GPIO
103LCD_D5Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
104LCD_D4Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
105LCD_D3Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
106LCD_D2Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
107LCD_D1Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
108LCD_D0Multiplexing RGB, LVDS, MIPI ports,
Cannot be used as an independent GPIO
109GNDThe earth
110GNDThe earth
111LCD_HSYNCGPIO2_B1，Multiplexing LCD
112LCD_VSYNCGPIO2_B2，Multiplexing LCD
113LCD_CLKGPIO2_B0，Multiplexing LCD
114LCD_DENGPIO2_B3，Multiplexing LCD
115VCC_RK816INCore board power input, 4.8 to 5.5V
116VCC_RK816INCore board power input, 4.8 to 5.5V
117VCC_RK816INCore board power input, 4.8 to 5.5V
118PWRONPMU power-on pin, active low
119VCC_RTCRTC power supply pin, 3V input
120BAT_PBattery input pin
121BAT_NBattery input pin
122RTC_CLKOUT32768Hz clock output
123VCC28_CIFPMU LDO1 Output, adjustable voltage
124VCC18_CIFPMU LDO2 Output, adjustable voltage
125VCC_TPPMU LDO6 Output, adjustable voltage
126VCCA_CODECPMU LDO5 Output, adjustable voltage
127RESETCPU Reset pin, low level has效
128ADCIN2ADC input pin, 3.3V reference source
129ADCIN1ADC input pin, 3.3V reference source
130ADCIN0ADC input pin, 3.3V reference source
131CIF_CLKOUTBT656/BT601 camera data pair,
Cannot be used as a normal GPIO
132CIF_CLKINBT656/BT601 camera data pair,
Cannot be used as a normal GPIO
133CIF_HREFBT656/BT601 camera data pair,
Cannot be used as a normal GPIO
134CIF_VSYNCBT656/BT601 camera data pair,
Cannot be used as a normal GPIO
135CIF_D7BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
136CIF_D6BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
137CIF_D5BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
138CIF_D4BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
139CIF_D3BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
140CIF_D2BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
141CIF_D1BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
142CIF_D0BT656/BT601 camera data pair,
Cannot be used as a normal GPIO
143CIF_PDN1GPIO3_D7, ordinary GPIO
144VCC_SYSCore board main power output



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