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目录

ItemContent
Product No.S1A-BM1688
VersionV1.0
Release Date2026-04-14
Effective Date2026-04-14
Document StatusUnder Revision
Compiled byWang Zhihai
Reviewed by-
Confidentiality LevelPublic


 

VersionRelease DateRevision Record
V1.02026-04-14Initial release






1. Interface Diagram











2. Port Description

序号

名称

附图

规格及使用方法

1

DC电源输入

DC 12V 3A电源输入,请使用配套电源。DC口规格:. Please use the matched power adapter.
 DC port size: 5.5-2.1MM

2

HDMI 输入

HDMI 输入,最高支持4K 60HZ

sudo systemctl disable SophonHDMI

reboot

sudo insmod /mnt/system/ko/v4l2_lt6911.ko

cd /opt/sophon/sophon-soc-libisp_1.0.0/bin/

./isp_tool_daemon

目前Demo只支持4K60,需要其他分辨率需调整固件The current demo only supports 4K60. Modify the firmware for other resolutions.

3

Recovery按键

Recovery按键,USB升级时使用For USB firmware upgrade.

4

HDMI 输出

HDMI 输出,最高支持Supports up to 4K 60HZ.

 

5-6

以太网

1000M x2
EHT1 为固定 ETH1: Static IP; EHT0 为动态ETH0: Dynamic IP

7-8-9

USB

USB1: USB3.0 OTG 口,可以作为固件升级(建议TF卡升级);USB2USB3port for firmware upgrade (TF card upgrade recommended).
 USB2 & USB3: USB3.0 HOST 口。ports.

10

串口、GPIO

RS485 ttyS1  最高波特率ttyS1, maximum baud rate 115200bps
RS232  RS232 ttyS3最高波特率 115200bps

可以使用我们配套的uart 脚本进行测试

, maximum baud rate 115200bps
 Test with the supporting UART script.

Max load: 1A. Wire length shall not exceed 1M.12V 电源输出,最大负载为1A,引线长度不应超过1M

GPIO-IN

输入低电平或者悬空时,CPU读取为“1”;

输入高电平时(Low level or floating: CPU reads "1".
 High level (3.3-12V),): CPU 读取为“reads "0".

GPIO IN1

echo 338 > /sys/class/gpio/export

echo in > /sys/class/gpio/gpio338/direction

cat /sys/class/gpio/gpio338/value

GPIO IN2

echo 339 > /sys/class/gpio/export

echo in > /sys/class/gpio/gpio339/direction

cat /sys/class/gpio/gpio339/value

GPIO-OUT

CPU 输出“1”时,端口输出为“outputs "1": port outputs 3.3V”;

CPU输出“0”时,端口输出为 “0V

GPIO输出是带3.3V@10K上拉的漏极输出器,

.
 CPU outputs "0": port outputs 0V.

GPIO output is open-drain with 3.3V@10K pull-up. It can control 5V-12V devices (external pull-up required).可以控制 5V-12V的设备。(需要外接上拉)

GPIO OUT1

echo 335 > /sys/class/gpio/export

echo out > /sys/class/gpio/gpio335/direction 

echo 0 > /sys/class/gpio/gpio335/value

echo 1 > /sys/class/gpio/gpio335/value

GPIO OUT2

echo 334 > /sys/class/gpio/export

echo out > /sys/class/gpio/gpio334/direction 

echo 0 > /sys/class/gpio/gpio334/value

echo 1 > /sys/class/gpio/gpio334/value

11

SIM

4G5G 网络 SIM卡位,为Nano卡。

12

调试口

调试口,内置USBUart芯片CH341,波特率115200bps

驱动下载:

Built-in USB to UART chip CH341, baud rate 115200bps.
 Driver download: https://www.wch.cn/products/CH340
 Supports firmware upgrade and data storage.

13

TF

可用于升级固件;支持数据存储。

14-15

 

指示灯

16

电源端口

12V电源输入口,与DC座并联输入

2.0MM 4P, connected in parallel with DC port.

17

风扇接口1

风扇接口,带PWM,默认为12V风扇。

1.25MM 3P with PWM. Default for 12V fan.

18

风扇接口2

风扇接口,带PWM,默认为12V风扇。

1.25MM 4P with PWM. Default for 12V fan.

19

风扇电源切换电感

用于切换风扇的电源电压Used to switch power supply voltage for fans.

20

GPIO

Pin

电平

功能

1/3

3.3V

3.3V电源

2/4

5.0V

5.0V 电源

5

3.3V

PWR_SPINOR_SDI / CAM_MCLK4 / PWR_GPIO4 / WG1_D1 / IIC2_SDA

6

3.3V

IIC5_SDA / KEY_ROW2 / TC906_JTAG0_TRST_X / GPIO103 / UART6_TX / SPI3_SDO

7

3.3V

IIC4_SDA / KEY_ROW0 / TC906_JTAG0_TCK / GPIO101 / UART5_TX / SPI3_CS_X

8

3.3V

IIC4_SCL / KEY_ROW1 / TC906_JTAG0_TMS / GPIO102 / UART5_RX / SPI3_SDI

9

3.3V

MIPI_DSI0_N2 / VO0_D19 / CAM_MCLK5 / GPIO179 / CAM_VS2 / I2C7_SCL

10

3.3V

IIC5_SCL / KEY_ROW3 / TC906_JTAG0_SRST_X / GPIO104 / UART6_RX / SPI3_SCK

11

3.3V

MIPI_DSI0_P2 / VO0_D18 / CAM_MCLK4 / GPIO178 / CAM_HS2 / I2C7_SDA

12

3.3V

UART4_RTS / GPIO93 / UART3_RTS / SPI3_SDI / IIC9_SDA / KEY_ROW2

13

3.3V

PWM4 / CAN1_TX / SD2_0_D2 / GPIO79 / UART4_TX / IIC5_SDA / CAM_HS2

14

3.3V

UART4_CTS / GPIO94 / UART3_CTS / SPI3_CS_X / IIC9_SCL / KEY_ROW3

15

3.3V

SD1_CD_X / PWM14 / GPIO61 / CAM_MCLK0 / CAM_HS0

16

3.3V

UART4_RX / SD2_1_CMD / GPIO92 / UART1_CTS / SPI3_SDO / IIC8_SCL / KEY_ROW1

17

3.3V

PWM5 / CAN1_RXD / SD2_0_D3 / GPIO80 / UART4_RX / IIC5_SCL / CAM_VS2

18

3.3V

UART4_TX / SD2_1_CLK / GPIO91 / UART1_RTS / SPI3_SCK / IIC8_SDA / KEY_ROW0

19/20

0V

GND

21

1.8V

PWM2 / KEY_COL2 / SD2_0_D0 / GPIO77 / UART6_TX / SPI1_SDO / IIC4_SDA / CAM_HS1

22

1.8V

AUD0_AINR_MIC / I2S1_SDO / I2S2_SDO

23

1.8V

PWM3 / KEY_COL3 / SD2_0_D1 / GPIO78 / UART6_RX / SPI1_SCK / IIC4_SCL / CAM_VS1

24

1.8V

AUD0_AINL_MIC / I2S1_SDI / I2S2_SDI

25

1.8V

PWM1 / KEY_COL1 / SD2_0_CMD / GPIO76 / UART5_RX / SPI1_SDI / IIC3_SCL / CAM_VS0

26

1.8V

MIPI_CSI_17P / GPIO172 / VI0_D[6] / CAM_MCLK4

27

1.8V

PWR_SPINOR_SDO / CAM_MCLK5 / PWR_GPIO5 / IIC2_SCL

28

1.8V

MIPI_CSI_17N / GPIO173 / VI0_D[7] / CAM_MCLK5

29/30

0V

GND

31

1.8V

CAM_XLR0 / GPIO69

32

1.8V

PWR_GPIO11

33

1.8V

CAM_MCLK0 / GPIO46

34

1.8V

IIC2_SCL / TC906_JTAG0_TDI / GPIO100 / UART3_RX

35

1.8V

CAM_MCLK0 / GPIO46

36

1.8V

MIPI_DSI0_P3 / VO0_D20 / GPIO180 / CAM_HS0 / I2C8_SDA / VO1_D20

37

2.8V

MIPI_DSI0_N4 / VO0_D23 / GPIO183 / CAM_VS1 / I2C9_SCL / VO1_D23

38

3.8V

MIPI_DSI0_N3 / VO0_D21 / GPIO181 / CAM_VS0 / I2C8_SCL / VO1_D21

39/40

0V

GND

21

SATA 接口

两路Two SATA 3.0 7P

使用SATA硬盘时,请先格式化硬盘

ports. Please format the hard drive before use.

22

SATA 电源

两路Two 2.0MM 4P SATA 电源power connectors.

23,-24

PWR



Reset

按键

PWRReset按键Power button and Reset button.

25

Debug

内部Debug 调试口

2.0MM 3P interface.

26

4G/5G 模块接口

4G/5G 模块接口

M.2 B-key支持, supports 2242 2250模组and 2250 modules. Communication: USB2.0 + USB3.0通讯方式支持 美格 SRM821 5G 模组(其他模组需调试). Compatible with Meig SRM821 5G module; other modules require additional debugging.

27

M.2 PCIE

M.2 M-Key 2280 PCIE3.0x2

支持SSD或其他PCIE 模组

使用SSD时,请先格式化SSDPCIE3.0 x2. Supports SSD and other PCIe modules. Please format the SSD before use.