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Recovery按键
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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

No. 

名称

Name 

附图

Illustration

规格及使用方法

Specifications & Operation

1

DC

电源输入

Power Input

Image Modified

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

Input 

Image Modified

HDMI

输入，最高支持4K 60HZ。

input, up to 4K 60Hz supported.

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 Key

3

Image Modified

Recovery按键，USB升级时使用

For USB firmware upgrade.

4

HDMI 输出

 HDMI Output

Image Modified

HDMI 输出，最高支持

Supports up to 4K 60HZ

。

.

 

5-6

以太网

Ethernet 

Image Modified

1000M x2

EHT1 为固定

 ETH1: Static IP;

EHT0 为动态

ETH0: Dynamic IP

7-8-9

USB

口

Ports

Image Modified

USB1

为

: USB3.0 OTG

口，可以作为固件升级（建议TF卡升级）；USB2和USB3为

port for firmware upgrade (TF card upgrade recommended).
 USB2 & USB3: USB3.0 HOST

口。

ports.

10

串口、

 UART & GPIO

口

Ports 

Image Modified

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输入高电平时（

GPIO-IN

输入低电平或者悬空时，CPU读取为“1”；

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

Image Modified

Nano-SIM slot for 4G

、5G 网络 SIM卡位，为Nano卡。

and 5G networks.

12

调试口

Debug Port

Image Modified

调试口，内置USB转Uart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

卡

Card Slot

Image Modified

可用于升级固件；支持数据存储。

Available for firmware upgrade and data storage.

14-15

 

Image Modified

指示灯

Indicator Lights

16

电源端口

Power Port

Image Modified

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

Fan Interface 1

Image Modified

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

Fan Interface 2

Image Modified

风扇接口，带PWM，默认为12V风扇。

1.25MM 4P

19

风扇电源切换电感

with PWM. Default for 12V fan.

19

Fan Power Switch Inductor

Image Modified

用于切换风扇的电源电压

Used to switch power supply voltage for fans.

20

GPIO

口

Port

Image Modified

Pin

电平
Level
功能
Function

1/3

3.3V3.
3V电源
3V Power Supply

2/4

5.0V5.0V
电源
Power Supply

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

Interface

Image Modified

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

Power Port

Image Modified

两路

Two 2.0MM 4P SATA

电源

power connectors.

23,-24

PWR

、

& Reset

按键

Buttons

Image Modified

PWR、Reset按键

Power button and Reset button.

25

Debug

口

Port

Image Modified

内部Debug 调试口

2.0MM 3P interface.

26

4G/5G

模块接口

Module Interface

Image Modified

4G/5G

模块接口

Module Interface

M.2 B-key

支持

, supports 2242

和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）使用SSD时，请先格式化SSD

. Compatible with Meig SRM821 5G module; other modules require additional debugging.

27

M.2 PCIE

Image Modified

M.2 M-Key 2280 PCIE3.0x2

支持SSD或其他PCIE 模组

PCIE3.0 x2. Supports SSD and other PCIe modules. Please format the SSD before use.