J4-3
<thead>
GND |
</thead>
<tbody>
J4-2 |
BL_12V |
J4-4 |
GND |
} |
</tbody>
RESET
丝印(silkscreen): SW4
按键属性:复位按键
Key attributes:Reset
SLEEP WAKE
丝印(silkscreen): SW3
按键属性:系统开关机按键,长按1秒开机,长按3秒关机
Key attributes: system switch key, long press 1 second to start up, long press 3 seconds to shut down
VOL +
丝印(silkscreen): SW2
按键属性:控制音量(音量加)
Key attributes: control volume (volume plus)
VOL –
丝印(silkscreen): SW1
按键属性:控制音量(音量减)
Key attributes: control volume (volume reduction)
RECOVER
丝印(silkscreen): SW5
按键属性:烧写按键,与开机键(SW3)同时按下,进入烧写模式
Key attributes: burn the write button, press it at the same time as the start button (SW3), and enter the burn write mode
扩展接口(extension interface)
丝印(silkscreen):J11
接口属性:空闲管脚,用于扩展应用
Interface properties: free pins for extending applications
引脚及信号定义:
definition of pin & signal:
引脚 (pin)
|
功能信号名称 (signal name)
|
引脚 (pin)
|
功能信号名称 (signal name)
|
J11-1
|
5V IN
|
J11-2
<thead>
GEN_3V3 |
</thead>
<tbody>
J11-3 |
5V IN |
J11-4 |
GEN_3V3 |
- |
J11-5 |
NC |
J11-6 |
HSIC_DATA |
- |
J11-7 |
LIGHT_INT |
J11-8 |
HSIC_STROBE |
- |
J11-9 |
GSEN_INT |
J11-10 |
CABC_EN |
- |
J11-11 |
TOUCH_INT |
J11-12 |
FLASH_EN |
- |
J11-13 |
LCD_RST |
J11-14 |
SPK_CTL |
- |
J11-15 |
LCD_EN |
J11-16 |
PMUGPIO0_B5 |
- |
J11-17 |
TOUCH_RST |
J11-18 |
OTG_VBUS_DRV |
- |
J11-19 |
FLASH_TRIGOUT |
J11-20 |
PMUGPIO0_B5 |
- |
J11-21 |
GPIO7_B1 |
J11-22 |
EFUSE_PWR |
- |
J11-23 |
NC |
J11-24 |
GND |
- |
J11-25 |
5V_DRV |
J11-26 |
ADC_1N1 |
- |
J11-27 |
GPIO5_C2 |
J11-28 |
GND |
- |
J11-29 |
UART1_RST |
J11-30 |
ADC_1N0 |
- |
J11-31 |
SPI0_CSn1 |
J11-32 |
GND |
- |
J11-33 |
SPI0_RXD |
J11-34 |
SPI2_MOS1 |
- |
J11-35 |
SPI0_TXD |
J11-36 |
SPI2_nCS0 |
- |
J11-37 |
SPI0_CSn0 |
J11-38 |
SPI2_MISO |
- |
J11-39 |
GND |
J11-40 |
GND |
- |
J11-41 |
SPI0_CLK |
J11-42 |
SPI2_CLK |
- |
J11-43 |
GND |
J11-44 |
GND |
- |
J11-45 |
UART1_CTS |
J11-46 |
FLASH0_RDY |
- |
J11-47 |
GND |
J11-48 |
FLASH0_CLE |
- |
J11-49 |
SPDIF_TX |
J11-50 |
FLASH0_ALE |
- |
J11-51 |
GND |
J11-52 |
FLASH0_CS0 |
- |
J11-53 |
GND |
J11-54 |
GND |
- |
J11-55 |
GND |
J11-56 |
GND |
} |
</tbody>
JTAG
丝印(silkscreen):U19
接口属性:JTAG接口
Interface properties: JTAG interface
引脚及信号定义:
definition of pin & signal:
引脚 (pin)
|
信号 (signal)
|
描述 (description)
|
引脚 (pin)
|
信号 (signal)
|
描述 (description)
|
U19-1
|
JTAG_TCK
|
测试时钟输入(TCK input)
|
U19-2
|
GND
<thead>
数字地 (digital ground) |
</thead>
<tbody>
U19-3 |
JTAG_TDO |
测试数据输出(test data output) |
U19-4 |
VCC |
3.3V输入 |
- |
U19-5 |
JTAG_TMS |
测试模式选择(test mode selection) |
U19-6 |
nRST |
复位 (reset) |
- |
U19-7 |
NC |
未连接 (unconnected) |
U19-8 |
NC |
未连接 (unconnected) |
- |
U19-9 |
JTAG_TDI |
测试数据输入(test mode selection) |
U19-10 |
GND |
数字地 (digital ground) |
} |
</tbody>
RTC电池座(RTC battery holder)
丝印(silkscreen):BT1
接口属性:RTC纽扣电池接口
Interface property: RTC button battery interface
MXM314
丝印(silkscreen):U14
接口属性:核心板接口,用于连接MY-RK3288_CB314核心板
Interface property: RTC button battery interface
管脚功能定义详见MY-RK3288-CB314 硬件介绍
Pin function is defined as my-rk3288_cb314
|
|
|