NanoPi NEO4/zh

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English

1 介绍

Overview
Front
Back
  • NanoPi NEO4是基于RK3399 SoC设计的一款超小型嵌入式ARM计算机。它的尺寸只有60x45mm，接口丰富, 布局紧凑, 非常适合二次开发, 并方便嵌入到最终产品中去。
  • NanoPi NEO4的内存容量为1GB, 板载2.4GWiFi蓝牙模块， 接口丰富， 包括USB3.0， USB2.0， PCIe， 千兆网口， HDMI， MIPI-CSI, eMMC扩展接口, SPI, GPIO, I2C, PWM, RTC, UART等。
  • NanoPi NEO4使用TF卡启动运行系统，并可外扩eMMC模块启动运行系统。
  • NanoPi NEO4支持运行Ubuntu Desktop 18.04 (64-bit), Lubuntu 16.04(32-bit), Ubuntu Core 18.04(64-bit)等多种系统, 它们均带有GPU和VPU加速处理，依托于强大的计算性能和丰富接口，它非常适用于基于机器视觉和人工智能的门禁系统，深度计算，自主机器人，工业控制，工业相机，广告机，游戏机，区块链等方面的应用。

2 硬件特性

  • 主控芯片: Rockchip RK3399
    • CPU: big.LITTLE大小核架构，双Cortex-A72大核(up to 2.0GHz)+四Cortex-A53小核结构(up to 1.5GHz)
    • GPU: Mali-T864 GPU，支持OpenGL ES1.1/2.0/3.0/3.1, OpenVG1.1, OpenCL, DX11, 支持AFBC（帧缓冲压缩）
    • VPU: 支持4K VP9 and 4K 10bits H265/H264 视频解码，高达60fps, 双VOP显示等视频编解码功能
  • 电源管理单元: RK808-D PMIC, 搭配独立DC/DC, 支持动态调压, 软件关机, 按键开机, RTC唤醒, 睡眠唤醒等功能
  • 内存: 单通道1GB DDR3-1866
  • Flash: 支持扩展eMMC模块
  • 有线网络: 原生千兆以太网
  • Wi-Fi/蓝牙: 802.11a/b/g/n, Bluetooth 4.0 Wi-Fi蓝牙模块
  • 视频输入: 1个4线MIPI-CSI, 高达13MPixl
  • 视频输出
    • HDMI: HDMI 2.0a, 支持4K@60Hz显示，支持HDCP 1.4/2.2
  • Audio Out: HDMI输出
  • USB 3.0: 1个原生USB 3.0 Host A型接口
  • USB 2.0: 2路原生USB 2.0 Host 接口， 1路通过标准A型口引出， 另一路通过2.54排针引出
  • USB Type-C: 支持USB2.0 OTG 和 5V电源输入
  • microSD Slot x 1
  • GPIO1，40Pin GPIO 扩展接口:
    • 2 X 3V I2C, 1x 3V UART/SPI, 1 x SPDIF_TX, up to 8 x 3V GPIOs
    • PCIe x2
    • PWM x1, PowerKey
  • GPIO2：
    • 1 x 1.8V 8通道 I2S
  • GPIO3：
    • 调试串口: 4 Pin 2.54mm 调试串口, 3V电平, 波特率为1500000
    • USB 2.0 x1
  • LED: 1 x power LED and 1 x GPIO Controled LED
  • RTC电池座子: 2 Pin 2.54mm RTC备份电池接口
  • 供电电源: DC 5V/3A
  • PCB: 8 Layer, 60 mm x 45 mm
  • 环境工作温度: -20℃ to 70℃

3 接口布局和尺寸

3.1 接口布局

File:NanoPi NEO4-4GB-1807-IF-01.jpg
NanoPi NEO4 Layout
File:NanoPi NEO4-2GB-1807-IF-01.jpg
NanoPi NEO4 Layout
  • GPIO1，40-Pin 引脚定义
Pin# Assignment Pin# Assignment
1 VCC3V3_SYS 2 VDD_5V
3 I2C2_SDA(3V) 4 VDD_5V
5 I2C2_SCL(3V) 6 GND
7 GPIO1_A0(3V) 8 GPIO4_C1/I2C3_SCL(3V)
9 GND 10 GPIO4_C0/I2C3_SDA(3V)
11 GPIO1_A1(3V) 12 GPIO1_C2(3V)
13 GPIO1_A3(3V) 14 GND
15 GPIO1_A4(3V) 16 GPIO1_C6(3V)
17 VCC3V3_SYS 18 GPIO1_C7(3V)
19 SPI1_TXD/UARNEO4_TX(3V) 20 GND
21 SPI1_RXD/UARNEO4_RX(3V) 22 GPIO1_D0(3V)
23 SPI1_CLK(3V) 24 SPI1_CSn0(3V)
25 GND 26 GPIO4_C5/SPDIF_TX(3V)
27 PCIE_REF_CLKP 28 GPIO4_C6/PWM1
29 PCIE_REF_CLKN 30 PWR_KEY
31 GND 32 GND
33 PCIE_TX0P 34 PCIE_TX1P
35 PCIE_TX0N 36 PCIE_TX1N
37 PCIE_RX0_P 38 PCIE_RX1_P
39 PCIE_RX0_N 40 PCIE_RX1_N
  • GPIO2，8-Pin I2S 引脚定义
I2S是1.8V电平
Pin# Assignment Pin# Assignment
1 GND 2 I2S0_SDI0
3 VCC5V0_SYS 4 I2S0_SDI1SDO3
5 I2S0_LRCK_RX 6 I2S0_SDI2SDO2
7 I2S0_SCLK 8 I2S0_SDI3SDO1
  • GPIO3，8-Pin UART/USB 引脚定义
调试串口为3V电平, 波特率1500000bps
Pin# Assignment Description Pin# Assignment Description
1 UART2DBG_RX debug uart intput 2 VCC5V0_SYS 5V power output
3 UART2DBG_TX debug uart output 4 HOST1_DM USB 2.0 data -
5 VCC5V0_SYS 5V power output 6 HOST1_DP USB 2.0 data +
7 GND 0V 8 GND 0V
  • MIPI-CSI接口引脚定义
0.5mm FPC 连接器
Pin# MIPI-CSI1 Description
1 VCC5V0_SYS 5V Power ouput
2 VCC5V0_SYS 5V Power ouput
3 GND Return current path
4 VCC_CSI_AF2.8V 2.8V Power for VCM
5 VCC_CSI_1.2V 1.2V Power for image sensor core circuit
6 VCC1V8_CAM 1.8V power for I/O circuit
7 VCC_CSI_2.8V 2.8V power for image sensor analog circuit
8 VCC_CSI_1.0V 1.0V Power for image sensor core circuit
9 I2C1_SCL 1.8V I2C clock signal
10 I2C1_SDA 1.8V I2C data signal
11 MIPI_CSI0_RST reset camera module
12 MIPI_CSI0_PWN Power down camera module
13 GND Return current path
14 GPIO2_B3_CIF_CLKOUTA MCLK to camera module
15 GND Return current path
16 MIPI_RX0_D3P MIPI CSI positive differential data line transceiver output
17 MIPI_RX0_D3N MIPI CSI negative differential data line transceiver output
18 GND Return current path
19 MIPI_RX0_D2P MIPI CSI positive differential data line transceiver output
20 MIPI_RX0_D2N MIPI CSI negative differential data line transceiver output
21 GND Return current path
22 MIPI_RX0_D1P MIPI CSI positive differential data line transceiver output
23 MIPI_RX0_D1N MIPI CSI negative differential data line transceiver output
24 GND Return current path
25 MIPI_RX0_CLKP MIPI CSI positive differential clock line transceiver output
26 MIPI_RX0_CLKN MIPI CSI negative differential clock line transceiver output
27 GND Return current path
28 MIPI_RX0_D0P MIPI CSI positive differential data line transceiver output
29 MIPI_RX0_D0N MIPI CSI negative differential data line transceiver output
30 GND Return current path
  • eMMC Socket接口引脚定义
Pin# Assignment Pin# Assignment
1 EMMC_D0 2 EMMC_D1
3 EMMC_D2 4 EMMC_D3
5 EMMC_D4 6 EMMC_D5
7 EMMC_D6 8 EMMC_D7
9 EMMC_STRB 10 GND
11 EMMC_CMD 12 EMMC_CLKO
13 N/C 14 GND
15 N/C 16 VCC1V8_S3
17 eMMC_RST 18 VCC3V3_S3
19 GND 20 GND
  • USB接口
USB A口具有2A过流保护功能.
  • RTC
我们实测的RTC备份电流为27uA.
其他说明
  1. 只能从Type-C或40-pin GPIO接口的第2和第4脚给板子供电, 电压范围4.7~5.5V
  2. 板子原理图: NanoPi-NEO4-1808-Schematic.pdf

3.2 尺寸

NanoPi NEO4 Dimensions

PCB dxf文件, 仅供做产品时结构设计使用: NanoPi-NEO4-1808-Drawing(dxf).zip
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