查看“LTT-MX6-SOM100硬件设计指导”的源代码


=== 电源 ===

:{| class="wikitable"
|-
! Pin Number !! CPU Pin Name !! Description !! Direction !! 电压
|-
| 2||  rowspan=5|5VIN || rowspan=5|核心板5V供电 || rowspan=5|I ||rowspan=5| 5V
|-
| 4  
|-
| 6 
|-
| 8 
|-
| 10  
|-
| 12 || rowspan=3|3P3V || rowspan=3 |底板电源使能信号||  rowspan=3  |O||  rowspan=3  |3.3V
|-
| 14
|-
| 16 
|}
:核心板使用DC降压芯片（RT8070）来进行电源的管理，输入电压为：DC4.1V~5.5V,推荐使用5V。
===复位信号POR_B===

:{| class="wikitable"
|-
! Pin Number !! CPU Pin Name !! Description !! Direction !! 电压
|-
| rowspan=2|28 || rowspan=2|SW_IN || 开关机信号输入（MX6_ONOFF） || I || rowspan=3  |3.3V
|-
| 休眠信号（GPIO_19） || I  
|-
| 39 || PRO_B || 复位CPU || I 
|}
:'''设计要求'''
:复位信号POR_B在系统启动时必须拉高，如果需要手动复位，只需在推荐电路中的nRST引脚上使用一个连接到地的按键即。
:注意，复位信号是敏感信号，所以nRST引脚到按键的走线要尽量短，并且走线需作包地处理，避免干扰影响系统的稳定性。

===开关机引脚SW_IN===
:{| class="wikitable"
|-
! Pin Number !! CPU Pin Name !! Description !! Direction !! 电压
|-
| rowspan=2|28 || rowspan=2|SW_IN || 开关机信号输入（MX6_ONOFF） || I || rowspan=3  |3.3V
|}
:开关机引脚SW_IN，可以对系统进行开关机操作和休眠唤醒操作：
:系统休眠后拉低此引脚，系统会进行唤醒操作；长按此引脚系统会关机，再次长按系统会开机。
===RTC电源===
:{| class="wikitable"
|-
! Pin Number !! CPU Pin Name !! Description !! Direction !! 电压
|-
| 26 ||VSNVS_3V0 || RTC电源 || I || 3V
|}

:'''设计要求'''

:VSNVS_3V0此引脚为CPU内部RTC供电的引脚，可以使用外部电池供电（3V）；<br>
:此处的电源还用于核心板内部BOOT上拉，如不使用外部的电池，需外部供电，电平3V或者3.3V也可。

===USB OTG接口===
:USB OTG用于固件的下载，USB OTG必须引出，请使用者谨记。
:USB OTG的供电（USB_OTG_VBUS）和USB HOST的供电（USB_H1_VBUS）需要外界来提供，电压为5V。

===调试串口UART1===
:核心板使用UART1来作为调试串口，此接口作为打印调试信息的接口必须引出，请使用者谨记。
===BOOT选择===
:核心板内部使用拨码开关的方式来进行启动模式的选择，<br>

:启动模式：BOOT_MODE0:BOOT_MODE1为0:0<br>
:下载模式：BOOT_MODE0:BOOT_MODE1为1:0
<br>

===HDMI接口===
:{| class="wikitable"
|-
! Pin Number!! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 102 || Positive Data Signal 0 || HDMI_D0P || K6 || I/O || rowspan=10 |2.5V
|-
| 104 || Negative Data Signal 0 || HDMI_D0M || K5 || I/O 
|-
| 94 || Positive Data Signal 1 || HDMI_D1P || J4 || I/O 
|-
| 96 || Negative Data Signal 1 || HDMI_D1M || J3 || I/O
|-
| 86 || Positive Data Signal 02 || HDMI_D2P || K4|| I/O 
|-
| 88 || Negative Data Signal 2 || HDMI_D2M || K3 || I/O
|-
| 98 || Positive Clock Signal || HDMI_CLKP || J6 || I 
|-
| 100 || Negative Clock Signal || HDMI_CLKM || J5 || I 
|-
| 92 || Hot Plug Detection Signal || HDMI_HPD || K1 || I/O 
|-
| 90 || CEC line between source and sink || HDMI_CEC_IN || W4 || I/O 
|}
:'''设计要求'''

:HDMI的接口芯片要靠近HDMI接口，布局时要与接口在一条直线上，保证信号线短且直，为了避免信号不连续，走线拐角采用圆弧或者45度走线替代90度走线。尽量减少过孔数目，尽可能将过孔靠近HDMI连接器放置。几对差分信号要做等长，尽量做到1Mil的对内等长，组内严格等长。控制HDMI的差分信号对阻抗为100±15%ohm。

===LVDS接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 135 || rowspan=8 |LVDS0 Data Signals ||LVDS0_TX0_P || U1 || I/O ||  rowspan=10 |2.5V
|-
| 133  || LVDS0_TX0_N || U2 || I/O 
|-
| 147  || LVDS0_TX1_P || U3 || I/O 
|-
| 145  || LVDS0_TX1_N || U4 || I/O
|-
| 129  || LVDS0_TX2_P || V1 || I/O 
|-
| 131  || LVDS0_TX2_N || V2 || I/O 
|-
| 139  || LVDS0_TX3_P || W1 || I/O 
|-
| 137  || LVDS0_TX3_N || W2 || I/O 
|-
| 143 || LVDS0 Positive Clock Signal || LVDS0_CLK_P || V3 || I/O
|-
| 141 || LVDS0 Negative Clock Signal || LVDS0_CLK_N || V4 || I/O
|-
| 134 || rowspan=8 |LVDS1 Data Signals || LVDS1_TX0_P || Y2 || I/O ||  rowspan=10 |2.5V
|-
| 136  || LVDS1_TX0_N || Y1 || I/O 
|-
| 132  || LVDS1_TX1_P || AA1 || I/O 
|-
| 130  || LVDS1_TX1_N || AA2 || I/O 
|-
| 142  || LVDS1_TX2_P || AB2 || I/O 
|-
| 144  || LVDS1_TX2_N || AB1 || I/O 
|-
| 140  || LVDS1_TX3_P || AA4 || I/O 
|-
| 138  || LVDS1_TX3_N || AA3 || I/O 
|-
| 148 || LVDS1 Positive Clock Signal || LVDS1_CLK_P || Y4 || I/O 
|-
| 146 || LVDS1 Negative Clock Signal || LVDS1_CLK_N || Y3 || I/O 
|-
|}
:'''设计要求'''

:为了尽量减少偏差，LVDS差分对之间走线要求等长处理，组内尽量做到严格等长。尽量减少过孔及其它导致信号不连续的行为。任何寄生负载，如电容，必须等量存在于每对差分对中。为了避免信号不连续，走线拐角采用圆弧或者45度走线替代90度走线。控制LVDS的差分信号对阻抗为100±15%ohm。

===RGB显示接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 197 ||  rowspan=24 |IPU DISP Data Signal || DISP0_DAT0 || P24 || IO || rowspan=28 |3.3V
|-
| 171  || DISP0_DAT1 || P22 || IO 
|-
| 170  || DISP0_DAT2 || P23 || IO 
|-
| 169  || DISP0_DAT3 || P21 || IO 
|-
| 174  || DISP0_DAT4 || P20 || IO
|-
| 193  || DISP0_DAT5 || R25 || IO 
|-
| 166  || DISP0_DAT6 || R23 || IO 
|-
| 195  || DISP0_DAT7 || R24 || IO 
|-
| 167  || DISP0_DAT8 || R22 || IO 
|-
| 189  || DISP0_DAT9 || T25 || IO 
|-
| 172  || DISP0_DAT10 || R21 || IO 
|-
| 161  || DISP0_DAT11 || T23 || IO 
|-
| 191  || DISP0_DAT12 || T24 || IO 
|-
| 165  || DISP0_DAT13 || R20 || IO 
|-
| 185  || DISP0_DAT14|| T2 || IO 
|-
| 163  || DISP0_DAT15 || T22 || IO 
|-
| 157  || DISP0_DAT16 || T21 || IO 
|-
| 187  || DISP0_DAT17 || U24 || IO 
|-
| 181 || DISP0_DAT18 || V25 || IO 
|-
| 162  || DISP0_DAT19 || U23 || IO 
|-
| 164  || DISP0_DAT20 || U22 || IO 
|-
| 168  || DISP0_DAT21 || T20 || IO 
|-
| 183  || DISP0_DAT22 || V24 || IO 
|-
| 159  || DISP0_DAT23 || W24 || IO 
|-
| 179 || IPU DISP Clk Signal || DISP0_CLK || N19 || O 
|-
| 199 || IPU DISP HSYNC Signal || DISP0_HSYNCH || N25 || O 
|-
| 175 || IPU DISP VSYNC Signal || DISP0_VSYNCH || N20 || O 
|-
| 173 || IPU DISP Data Ready Signal || DISP0_DRDY || N21 || O 
|}
'''设计要求'''

:组内信号线要求做等长处理。

===SATA硬盘接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 54 || Positive Receive Signal || SATA_RXP || B14 || I || rowspan=4|2.5V
|-
| 56 || Negative Receive Signal || SATA_RXN || A14 || I 
|-
| 60 || Positive Transmit Signal || SATA_TXP || A12 || O 
|-
| 58 || Negative Transmit Signal || SATA_TXN || B12 || O 
|}
:'''设计要求'''

:SATA差分信号对之间走线要求做等长处理，采用尽可能小封装的耦合电容，电容的位置要尽量靠近连接器，差分信号的阻抗控制在100ohm。

===USB接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 69 || rowspan=2|USB HOST || USB_H1_DN || F10 || IO || rowspan=4|
|-
| 71  || USB_H1_DP || E10 || IO
|-
| 66 || rowspan=2|USB OTG || USB_OTG_DN || B6 || IO
|-
| 68  || USB_OTG_DP || A6 || IO
|-
| '''72''' || rowspan=2|USB_OTG_ID || '''GPIO01''' || T4 ||rowspan=2| I ||rowspan=6|3.3V
|-
| 184  || ENET_RX_ER || W23 
|-
| '''47''' ||  rowspan=2|USB_OTG_OC || '''EIM_DATA21''' || H20 || rowspan=2| I
|-
| 122  || KEY_COL4 || T6 
|-
| '''43''' ||  rowspan=2|USB_OTG_PWR || '''EIM_DATA22''' || E23 || rowspan=2|O
|-
| 124 || KEY_ROW4 || V5 
|}
'''设计要求'''

:尽可能缩短走线长度，尽可能的减少在USB高速信号线上的过孔数和拐角，从而可以更好的做到阻抗的控制，避免信号的反射。在布线时，要做到差分信号走线的长度匹配。控制USB差分信号对之间的布线间距，要确保90 ohm的差分阻抗。

===SD接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 180 || rowspan=6|SD1 Signal || SD1_WP || T2 || I || rowspan=6|3.3V
|-
| 156  || SD1_CLK || D20 || O 
|-
| 17  || SD1_DATA0 || A21 || IO 
|-
| 151  || SD1_DATA1 || C20 || IO 
|-
| 153  || SD1_DATA2 || E19 || IO 
|-
| 177  || SD1_DATA3 || F18 || IO 
|-
| 20 || rowspan=7|SD2 Signal || SD2_CD_B || R6 || I || rowspan=7|3.3V
|-
| 50  ||SD2_CMD || F19 || IO 
|-
| 46  || SD2_CLK || C21 || O 
|-
| 44  || SD2_DATA0 || A22 || IO 
|-
| 52  || SD2_DATA1 || E20 || IO 
|-
| 42  || SD2_DATA2 || A23 || IO
|-
| 48  || SD2_DATA3 || B22 || IO 
|-
| 57  || rowspan=6|SD3 Signal || SD3_CMD || B13|| IO || rowspan=6|3.3V 
|-
| 59  || SD3_CLK || D14 || O 
|-
| 63  || SD3_DATA0 || E14 || IO 
|-
| 61  || SD3_DATA1 || F14 || IO 
|-
| 55  || SD3_DATA2 || A15 || IO 
|-
| 53  || SD3_DATA3 || B15 || IO 
|}
===PCIE接口===
:{| class="wikitable"
|-
!Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 74 || Positive Receive Signal || PCIE_RXP || B2 || I ||  rowspan=4|2.5V 
|-
| 76 || Negative Receive Signal || PCIE_RXM || B1 || I 
|-
| 78 || Positive Transmit Signal || PCIE_TXP || B3 || O 
|-
| 80 || Negative Transmit Signal || PCIE_TXM || A3 || O 
|}
:'''设计要求'''

:PCIE信号为差分信号，布线时要注意减少有害串扰的影响和电磁干扰（EMI）的影响。

===AUD音频接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 110 || rowspan=4|AUD3 Signal || AUD3_TXC || N1 || IO || rowspan=4|2.5V
|-
| 116  || AUD3_TXFS || N4 || IO 
|-
| 112  || AUD3_TXD || P2 || IO 
|-
| 114  || AUD3_RXD || N3 || IO 
|-
| 50 ||  rowspan=2|AUD4_RXC || '''SD2_CMD''' || '''F19''' || rowspan=2|IO || rowspan=24|3.3V
|-
| 162  || DISP0_DATA19 || U23 
|-
| 44 || rowspan=2|AUD4_RXD || '''SD2_DATA0''' || '''A22''' || rowspan=2|IO 
|-
| 159  || DISP0_DATA23 || W24
|-
| 46 || rowspan=2|AUD4_RXFS || '''SD2_CLK''' || '''C21''' || rowspan=2|IO 
|-
| 181 || DISP0_DATA18 || V25 
|-
| 48 || rowspan=2|AUD4_TXC || '''SD2_DATA3''' || '''B22''' 
|-
| 164  || DISP0_DATA20 || U22 
|-
| 42 || rowspan=2|AUD4_TXD|| '''SD2_DATA2''' || '''A23''' || rowspan=2|IO 
|-
| 168 || DISP0_DATA21 || T20 
|-
| 52 || rowspan=2|AUD4_TXFS|| '''SD2_DATA1''' || '''E20''' || rowspan=2|IO 
|-
| 183  || DISP0_DATA22 || V24
|-
| 40 || rowspan=2|AUD5_RXC|| '''EIM_DATA2''' || '''G22''' || rowspan=2|IO 
|-
| 185  || DISP0_DATA14 || U25 
|-
| 125 || rowspan=2|AUD5_RXD || '''KEY_ROW1''' || '''U6''' || rowspan=2|IO 
|-
| 162  || DISP0_DATA19 || U23 
|-
| 38 || rowspan=2|AUD5_RXFS || '''EIM_DATA24''' || '''F22''' || rowspan=2|IO 
|-
| 165  || DISP0_DATA13 || R20 
|-
| 121 || rowspan=2|AUD5_TXC || '''KEY_COL0''' || '''W5''' || rowspan=2|IO 
|-
|157 || DISP0_DATA16 || T21 
|-
| 123 || rowspan=2|AUD5_TXD || '''KEY_ROW0''' || '''V6''' || rowspan=2|IO 
|-
| 187  || DISP0_DATA17 || U24 
|-
| 127 ||  rowspan=2|AUD5_TXFS || '''KEY_COL1''' || '''U7''' || rowspan=2|IO
|-
| 181 || DISP0_DATA18 || V25 
|}
:'''设计要求'''

:核心板提供音频信号，可以连接声卡芯片，其中：
<br>
:I2S用于音频数据传输，I2C信号用于配置芯片寄存器。系统默认使用I2C1和I2S3来连接WM8962，如需使用请参照我司的参考设计。
<br>
:请使用者谨记，保持音频信号线尽可能短，并尽量远离干扰源，信号线做到组内等长。

===以太网接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 198 || rowspan=2|ENET_MDC  || '''ENET_MDC''' || '''V20''' || rowspan=2|O ||  rowspan=13|3.3V
|-
| 21  ||KEY_COL2 || W6 
|-
| 188 ||rowspan=2| ENET_MDIO || '''ENET_MDIO''' || '''V23''' || rowspan=2|IO 
|-
| 127  || KEY_COL1 || U7 
|-
| 196 || rowspan=9|Enet Signal || ENET_RXD0 || W21 || I 
|-
| 182  || ENET_RXD1 || W22 || I 
|-
| 190  || ENET_CRS_DV || U21 || I 
|-
| 200  || ENET_TXD0 || U20 || O 
|-
| 194  || ENET_TXD1 || W20 || O 
|-
| 192  || ENET_TX_EN || V21 || O 
|-
| 186  || ENET_nRST || R1 || O 
|-
| 178  || ENET_REF_CLK || V22 || O 
|-
| 180  || ENET_nINT || T2 || I 
|}
===CAN总线接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 119 || rowspan=3|CAN1_RX || '''GPIO08''' || '''R5''' || rowspan=3|I || rowspan=10|3.3V
|-
| 90  ||KEY_ROW2 || W4 
|-
| 59  || SD3_CLK || D14 
|-
| 117 || rowspan=3|CAN1_TX || '''CAN1_TX''' || '''R3''' || rowspan=3|O 
|-
| 21  || KEY_COL2 || W6 
|-
| 57  || SD3_CMD || B13
|-
| 124 || rowspan=2|CAN2_RX || '''KEY_ROW4''' || '''V5''' || rowspan=2|I
|-
| 61 || SD3_DATA1 || F14 
|-
| 122 ||  rowspan=2|CAN2_TX || '''KEY_COL4''' || '''T6''' || rowspan=2|O 
|-
| 63  || SD3_DATA0 || E14 
|}
:'''设计要求'''

:布线时要注意控制收发器转换后差分对信号等长。注意给CAN总线匹配终端电阻。

===SPI接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 27 || '''CSPI2_RDY''' || '''EIM_A25''' || '''H19''' || '''I''' ||rowspan=11|3.3V
|-
| 25 || rowspan=2|'''CSPI2_CS0''' || '''EIM_RW''' || '''K20''' || rowspan=2|'''IO''' 
|-
| 181  || '''DISP0_DATA18'''|| '''V25'''  
|-
| 43|| CSPI4_MISO || CSPI4_MISO || E23 || IO 
|-
| 45 || CSPI4_MOSI || CSPI4_MOSI || G23 || IO
|-
| 49 || CSPI4_RDY || CSPI4_RDY || F23 || I 
|-
| 47 || CSPI4_CLK || CSPI4_CLK || H20 || IO 
|-
| 41 || rowspan=2|CSPI4_CS0 || '''EIM_DATA29''' || '''J19''' || rowspan=2|IO 
|-
| 23  ||EIM_DATA20 || G20
|-
| 38 || CSPI4_CS2|| EIM_DATA24 || F22 || IO
|-
| 40 || CSPI4_CS3 || EIM_DATA25 || G22 || IO 
|}
===12C接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! Voltage
|-
| 106 || I2C1 Serial Data || I2C1_SDA || N6 || IO ||  rowspan=2|2.5V
|-
| 108 || I2C1 Serial Clock || I2C1_SCL || N5 || IO 
|-
| 160 || I2C2 Serial Data || I2C2_SDA || T7 || IO || rowspan=2|3.3V
|-
| 158 || I2C2 Serial Clock || I2C2_SCL || U5 || IO 
|-
| 120 || I2C2 Serial Data || I2C3_SDA || T3 || IO || rowspan=2|3.3V
|-
| 118 || I2C2 Serial Clock || I2C4_SCL || R6 ||IO 
|}
===CSI摄像头接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! 电压
|-
| 107 || rowspan=8| IPU CSI Data Signal|| CSIO_DAT12 || M2 || I || rowspan=11|2.5V
|-
| 105 || CSIO_DAT13 || L1 || I
|-
| 99  ||CSIO_DAT14 || M4|| I 
|-
| 115  || CSIO_DAT15 || M5 || I 
|-
| 97  || CSIO_DAT16 || L4 || I
|-
| 95 || CSIO_DAT17 || L3 || I 
|-
| 103|| CSIO_DAT18 || M6 || I 
|-
| 101  || CSIO_DAT19 || L6 || I 
|-
| 113 || IPU CSI Hsync Signal || CSI0_HSYNCH || P4 || I 
|-
| 109 || IPU CSI Vsync Signal|| CSI0_VSYNCH || N2 || I 
|-
| 111 || IPU CSI Pixclk Signal || CSI0_PIXCLK || P1 || I 
|-
|}
:'''设计要求'''

:CSI-MCLK和CSI-PCLK需要各自包地，并保证较少的换层连接到摄像头连接器，保证连接器周围信号地的完整性

===MIPI摄像头接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! 电压
|-
| 29 || rowspan=8|D-Phy Differential Data ||CSI_D3M || F1 ||I ||rowspan=10|2.5V
|-
| 31  || CSI_D3P || F2 || I 
|-
| 33 || CSI_D2M || E1 || I 
|-
| 35  || CSI_D2P || E2 || I 
|-
| 77  || CSI_D1M || D1 || I
|-
| 79  || CSI_D1P || D2 || I 
|-
| 81 || CSI_D0M || E4 || I 
|-
| 83  || CSI_D0P || E3 || I 
|-
| 85 || rowspan=2|D-Phy Differential Clock || CSI_CLKM || F4 || I 
|-
| 87  || CSI_CLKP || F3 || I 
|}

:'''设计要求'''

:MIPI信号线下方一定要有参考层（推荐用地层），且一定要保证参考层的连续性。MIPI线对之间以及线对与线对之间的长度误差注意控制，MIPI信号线尽量不要打过孔。

===UART接口===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! 电压
|-
| 89 ||rowspan=2|UART1 Data || UART1_RX || M3 || I || rowspan=2|2.5V
|-
| 91  || UART1_TX || M1 || O
|-
| 45 || rowspan=2|UART2_CTS|| '''EIM_D28''' || '''G23'''|| rowspan=2|O || rowspan=8|3.3V
|-
| 57 || SD3_CMD || B13 
|-
| 41 || rowspan=2|UART2_RTS || '''EIM_D29''' || '''J19''' ||  rowspan=2|I 
|-
| 59  || SD3_CLK || D14 
|-
| 32 || rowspan=2|UART2_RXD || '''EIM_D27''' || '''E25''' || rowspan=2|I 
|-
| 119  || GPIO08 || R5 
|-
| 30 || rowspan=2|UART2_TXD || '''EIM_D26''' || '''E24''' || rowspan=2|O 
|-
| 117 || GPIO07 || R3 
|-
| 34 || rowspan=3|UART3_CTS || '''EIM_D23''' || '''D25''' || rowspan=3|O ||  rowspan=8|3.3V
|-
| 73  || EIM_D30 || J20 
|-
| 53  || SD3_DATA3 || B15 
|-
| 36 || rowspan=3|UART3_RTS || '''EIM_D31''' || H21 ||  rowspan=3|O  
|-
| 49  || EIM_EB3 || F23 
|-
| 19  || SD3_RESET || D15 
|-
| 40 || rowspan=2|UART3 Data ||UART3_RXD|| G22 ||I 
|-
| 38  || UART3_TXD ||UART3_TXD || O
|-
| 95 || UART4_CTS || UART4_CTS || L3 || O || rowspan=6|3.3V
|-
| 97 || UART4_RTS || UART4_RTS || L4 || I 
|-
| 123 || rowspan=2|UART4_RXD || '''KEY_ROW0''' || KEY_ROW0 || rowspan=2|I 
|-
| 105  || CSI0_DATA13 || L1 
|-
| 121 || rowspan=2|UART4_TXD || '''KEY_COL0''' || W5 || rowspan=2|O 
|-
| 107  || CSIO_DATA12 || M2 
|-
| 101 || rowspan=2|UART5_CTS || '''CSIO_DATA19''' || '''L6''' || rowspan=2|O || rowspan=8|3.3V
|-
| 124  || KEY_ROW4 || V5 
|-
| 103 || rowspan=2|UART5_RTS || '''CSIO_DATA18''' || '''M6''' || rowspan=2|I 
|-
| 122  || KEY_COL4 || T6 
|-
| 125 || rowspan=2|UART5_RXD || '''KEY_ROW1''' || '''U6''' || rowspan=2|I 
|-
| 115 || CSIO_DATA15 || M5 
|-
| 127 || rowspan=2|UART5_TXD || '''KEY_COL1''' || '''U7''' || rowspan=2|O
|-
| 99  || CSIO_DATA14|| M4 
|}
===PWM功能===
:{| class="wikitable"
|-
! Pin Number !! Description !! CPU Pin Name !! CPU !! Direction !! 电压
|-
| 167 || PWM Function OUT 1 || PWM1_OUT || R22 || O || rowspan=4|3.3V
|-
| 189 || PWM Function OUT 2 || PWM2_OUT || T25 || O 
|-
| 151 || PWM Function OUT 3 || PWM3_OUT || C20 || O 
|-
| 18 || PWM Function OUT 4 || PWM4_OUT || B21 || O
|-
|}
<br/>