HelperA64核心板
主要特性：
CPU：64位 4核A53 1.15G
内存：1GB（256MB，2GB等可选 双芯片32位带宽）
存贮：8GB（可定制16GB，32GB等容量）
解码：1080P@60Hz解码
显示：支持HDMI输出 4K@30HZ，1080P@60Hz，LVDS 1366x768, MIPI 1920x1080，RGB 1920x1080
1路高速USB HOST，1路高速USB OTG
4路TTL串口（可做普通IO口）
2路SDIO接口，可接SD卡或者WIFI
1路CSI摄像头接口，完整供电，最高支持5M像素
1路耳机输出
1路LINEOUT输出
1路MIC接口
1路PWM，可接背光控制
供电：DC 5V, 电池3.7V
工作温度：-20-70（实测-35-85工作正常）
系统：
安卓：6.0
linux+qt
ububtu mate
引脚定义表：
| 引脚编号 | 引脚名称 | 引脚备注 |
| 1 | ACIN | DC电源输入 |
| 2 | ACIN | 4.2-5.5V |
| 3 | GND | 核心板地 |
| 4 | GND | |
| 5 | VBAT | 单节锂电池电源输入(含温度检测) |
| 6 | VBAT | |
| 7 | TS | |
| 8 | POWERON | 电源开关按键 |
| 9 | AVCC | 专供ADC用的3.3V电源 |
| 10 | KEYADC | ADC按键 |
| 11 | HHPD | HDMI接口 |
| 12 | HSDA | |
| 13 | HSCL | |
| 14 | HCEC | |
| 15 | HTXCN | |
| 16 | HTXCP | |
| 17 | HTX0N | |
| 18 | HTX0P | |
| 19 | HTX1N | |
| 20 | HTX1P | |
| 21 | HTX2N | |
| 22 | HTX2P | |
| 23 | USB1-DM | 高速USB HOST |
| 24 | USB1-DP | |
| 25 | GND | GND |
| 26 | USB0-DM | USB OTG，烧程序等需要用 |
| 27 | USB0-DP | |
| 28 | PH9 | 普通IO |
| 29 | HPOUTL | 耳机输出 |
| 30 | HPOUTR | |
| 31 | HP-DET | |
| 32 | MIC1N_IN | MIC输入 |
| 33 | MIC1P_IN | |
| 34 | LINEOUTP | LINEOUT |
| 35 | LINEOUTN | |
| 36 | PL12 | 复用IO口 |
| 37 | PL11/S-CIR-RX | |
| 38 | PL10/S-PWM | |
| 39 | PL9/S-TWI-SDA | |
| 40 | PL8/S-TWI-SCK | |
| 41 | PL7/S-JTAG-DI | |
| 42 | PL6/S-JTAG-DO | |
| 43 | PL5/S-JTAG-CK | |
| 44 | PL4/S-JTAG-MS | |
| 45 | PL3/S-UART-RX | |
| 46 | PL2/S-UART-TX | |
| 47 | PB1/UART2-RX/JTAG-CK0 | 异步串口2 |
| 48 | PB0/UART2-TX/JTAG-MS0 | |
| 49 | PB2/UART2-RTS/JTAG-DO0 | |
| 50 | PB3/UART2-CTS/I2S0-MCLK/JTAG-DI0 | |
| 51 | PB4/AIF2-SYNC/PCM0-SYNC | 可复用IO |
| 52 | PB5/AIF2-BCLK/PCM0-BCLK | |
| 53 | PB6/AIF2-DOUT/PCM0-DOUT | |
| 54 | PB7/AIF2-DINPCM0-DIN | |
| 55 | PB8/UART0-TX | 异步串口0，调试口，建议不作他用 |
| 56 | PB9/UART0-RX | |
| 57 | PF0/SDC0-D1/JTAG-MS1 | SDIO接口 |
| 58 | PF1/SDC0-D0/JTAG-DI1 | |
| 59 | PF2/SDC0-CLK/UART0-TX | |
| 60 | PF3/SDC0-CMD/JTAG-DO1 | |
| 61 | PF4/SDC0-D3/UART0-RX | |
| 62 | PF5/SDC0-D2/JTAG-CK1 | |
| 63 | PF6 | 普通IO |
| 64 | PD23/MDIO | |
| 65 | PD24 | |
| 66 | PH5/UART3-RX | 异步串口3 |
| 67 | PH4/UART3-TX | |
| 68 | PH6/UART3-RTS | |
| 69 | PH7/UART3-CTS | |
| 70 | PH11/MIC-DATA | 普通IO |
| 71 | PH2/TWI1-SCK | 复用I2C接口 |
| 72 | PH3/TWI1-SDA | |
| 73 | GND | GND |
| 74 | PH1/TWI0-SDA | 复用I2C接口 |
| 75 | PH0/TWI0-SCK | |
| 76 | PH8/SPDIF-OUT | 复用IO口 |
| 77 | PH10/MIC-CLK | |
| 78 | PG8/UART1-RTS | |
| 79 | GND | 18位RGB接口，含LVDS复用,其中GND线是24位接口预留占有位，可悬空 |
| 80 | GND | PWM，用于背光亮度调节 |
| 81 | PD12/LCD-D18/LVDS-VP0/RGMII-RXCK/RMII-NULL | |
| 82 | PD13/LCD-D19/LVDS-VN0/RGMII-RXCTL/RMII-CRS-DV | |
| 83 | PD14/LCD-D20/LVDS-VP1/RGMII-NULL/RMII-RXER | |
| 84 | PD15/LCD-D21/LVDS-VN1/RGMII-TXD3/RMII-NULL/CCIR-D6 | |
| 85 | PD16/LCD-D22/LVDS-VP2/RGMII-TXD2/RMII-NULL/CCIR-D7 | |
| 86 | PD17/LCD-D23/LVDS-VN2/RGMII-TXD1/RMII-TXD1 | |
| 87 | GND | |
| 88 | GND | |
| 89 | PD6/LCD-D10/CCIR-D2 | |
| 90 | PD7/LCD-D11/CCIR-D3 | |
| 91 | PD8/LCD-D12/RGMII-RXD3/RMII-NULL/CCIR-D4 | |
| 92 | PD9/LCD-D13/RGMII-RXD2/RMII-NULL/CCIR-D5 | |
| 93 | PD10/LCD-D14/RGMII-RXD1/RMII-RXD1 | |
| 94 | PD11/LCD-D15/RGMII-RXD0/RMII-RXD0 | |
| 95 | GND | |
| 96 | GND | |
| 97 | PD0/LCD-D2/UART3-TX/SPI1-CS/CCIR-CLK | |
| 98 | PD1/LCD-D3/UART3-RX/SPI1-CLK/CCIR-DE | |
| 99 | PD2/LCD-D4/UART4-TX/SPI1-MOSI/CCIR-HSYNC | |
| 100 | PD3/LCD-D5/UART4-RX/SPI1-MISO/CCIR-VSYNC | |
| 101 | PD4/LCD-D6/UART4-RTS/CCIR-D0 | |
| 102 | PD5/LCD-D7/UART4-CTS/CCIR-D1 | |
| 103 | PD20/LCD-HSYNC/LVDS-VP3/RGMII-TXCTL/RMII-TXEN | |
| 104 | PD21/LCD-VSYNC/LVDS-VN3/RGMII-CLKIN/RMII-NULL | |
| 105 | PD19/LCD-DE/LVDS-VNC/RGMII-TXCK/RMII-TXCK | |
| 106 | PD22/PWM0/MDC | |
| 107 | PD18/LCD-CLK/LVDS-VPC/RGMII-TXD0/RMII-TXD0 | |
| 108 | PG9/UART1-CTS | 普通复用IO |
| 109 | PG10/AIF3-SYNC/PCM1-SYNC | |
| 110 | PG11/AIF3-BCLK/PCM1-BCLK | |
| 111 | PG12/AIF3-DOUT/PCM1-DOUT | |
| 112 | PE6/CSI-D2/TS-D2 | 摄像头接口 |
| 113 | PE5/CSI-D1/TS-D1 | |
| 114 | PE7/CSI-D3/TS-D3 | |
| 115 | PE4/CSI-D0/TS_D0 | |
| 116 | PE8/CSI-D4/TS-D4 | |
| 117 | PE0/CSI-PCLK/TS_CLK | |
| 118 | PE9/CSI-D5/TS-D5 | |
| 119 | PE10/CSI-D6/TS-D6 | |
| 120 | PE1/CSI-MCLK/TS_ERR | |
| 121 | PE11/CSI-D7/TS-D7 | |
| 122 | GPIO1/LDO/CSI_IOVDD_2.8V | |
| 123 | ELDO3/CSI_DVDD_1.8V | |
| 124 | PE2/CSI-HSYNC/TS_SYNC | |
| 125 | PE15/TWI2-SDA/CSI_STDBY_R | |
| 126 | PE3/CSI-VSYNC/TS_DVLD | |
| 127 | PE14/PLL-LOCK-DBG/TWI2-SCK/CSI_RST_F | |
| 128 | PE12/CSI-SCK | |
| 129 | PE13/CSI-SDA | |
| 130 | PE16/CSI-STBY-F | |
| 131 | AVDD_CSI | |
| 132 | PG7/UART1-RX | 异步串口1 |
| 133 | PG6/UART1-TX | |
| 134 | PG13/AIF3-DIN/PCM1-DIN | 普通复用IO |
| 135 | PG3/SDC1-D1 | SDIO接口 |
| 136 | PG2/SDC1-D0 | |
| 137 | PG0/SDC1-CLK | |
| 138 | PG1/SDC1-CMD | |
| 139 | PG5/SDC1-D3 | |
| 140 | PG4/SDC1-D2 | |
| 141 | PC0/NAND-WE/SPI0-MOSI | 普通复用IO,电压1.8V |
| 142 | PC4/NAND-CE0 | |
| 143 | PC2/NAND-CLE/SPI0-CLK | |
| 144 | CHGLED | 从AXP803直接引出的充电指示灯 |
| 145 | MIPI-DSI-D3N | MIPI接口 |
| 146 | MIPI-DSI-D3P | |
| 147 | MIPI-DSI-D0N | |
| 148 | MIPI-DSI-D0P | |
| 149 | MIPI-DSI-CKN | |
| 150 | MIPI-DSI-CKP | |
| 151 | MIPI-DSI-D1N | |
| 152 | MIPI-DSI-D1P | |
| 153 | MIPI-DSI-D2N | |
| 154 | MIPI-DSI-D2P | |
| 155 | IPSOUT | 保留，下一版用着IPS输出 |
| 156 | VCC-3V3_OUT | 3.3V输出，可提供500mA电流 |
| 157 | VCC-RTC | RTC电源输入 |
| 158 | RESET | 系统复位输入，与PMU的POWEROK相连 |
外观及尺寸：
（60x40x3(mm)，158PIN，引脚间距1.2mm,邮票孔结构，背面无器件）
注：批量企业用户可免费定制底板。